Browse Ford Mustang vehicles in Eden Prairie, MN for sale on Cars.com, with prices under $99,972. Another problem is the parasitic power loss to drive the compressor. The Moss system almost looks and functions like it was a factory-installed option. All rights reserved. The Moss supercharger kits give increased torque and horsepower throughout the rev range without adding extra stress to your engine. The amount of extra horsepower really depends on what your engine is like. Heres a prototype kit laid out so you can see all thats included, right down to new colder spark plugs and a K&N high-flow air filter. While SU carburetors dont have the programmability of a modern fuel-injection setup, they are extremely flexible in mixture adjustment due to their multi-stepped mixture needle and available damper springs. An MGB Weber downdraft inlet manifold looks ripe for modifying, by ..turning the center section 90degrees, doesn't look too bad if I can find the right ali welder. And when he sold his computer business in 2007, he did the logical thingat least from our perspective. To get started, review the FAQs and step-by-step online instructions. | I haven't figured out how i'm going to deal with changing the pulleys to get my desired boost yet. I look forward to seeing how this works out, especially the custom inlet. CREATIVE SPRIDGETS is an interactive design workshop for DIY performance and reliability modifications requiring ordinary shop tools, commonly available auto parts, and where necessary, CNC-machined core components. If you was going to go down that route it think you would need an M42 from a Bini cooper S or simlar or you would be working it well out of its efficiency range. What a difference it made in general performance and it madehighway travel so much more enjoyable. Turns out the situation was due to a worn-out left-hand engine mount. While the 0.040-inch-over Arias pistons are well hidden, the reason for the rather low 8.4:1 compression ratio is hard to miss: a High Performance Products supercharger. blower as configured for at least two Mercedes Benz cars, which a European colleague has informed us may bear different designations. It's also the cornerstone of Jackson Racing's aftermarket systems, so Moss engineers have lots of experience with this supercharger. Our camshaft and head swap made a significant difference, but at a pretty big priceabout $1500 not including any labor. The great thing about a supercharger is that the power is ALWAYS there. Love the way it sounds, but hate the way it stops. Your engine should be in sound operating condition before you add the supercharger. Now to introduce my car. AddThis Utility Frame Supercharger Kits - MGB From 7.40 Superchargers have been used on cars and piston engined aircraft since before World War II in order to obtain maximum power without losing vital torque. This is how a properly sorted car behaves. This configuration allowed us to engineer a one-piece inlet/outlet manifold that uses the stock Mercedes gasket: A single inlet/outlet manifold not only reduces production cost,a savings we pass on to you;it also enables a supercharger conversion that fits neatly beneath the Spridget's sloping bonnet, with the intercooler hidden behind the grille: Here is a diagram showing the flow of air through the system and identifying related components under the bonnet: This compact supercharger also affords ready access to ignitioncomponents and maintenance items. Moss Motors recently introduced a new supercharger system for MGBs that is fairly simple to bolt on and nearly doubles rear-wheel horsepower (40%-50% at the flywheel) without any internal engine modifications. This is another 1967 MGB GT, this one in left-hand-drive configuration. See the serpentine belt conversion page for details. | Never miss an article. He needed some wheels and was taken in by theMGBs style, rugged simplicity and promise of top-down fun. A few years back, Moss came out with an aftermarket supercharger kit for the MG-TD. Drivetrain In addition to the superchargers performance, were very impressed with the kits packaging and instructions. Moss has taken Eaton's smallest supercharger, the 45-cubic-inch M-45 unit, and integrated it into a comprehensive kit that includes every nut, bolt and component necessary for installation in the MGB. Moss includes a new alternator and a cast-iron water pump to ensure trouble-free operation. (7.26 kg). For the su make 2 plates, one which fits to the rear of the supercharger, one for the su and join them together using bits of steel. Make sure that what you get matches these photos, does NOT have an electronic clutch, and is Eaton model number 207018 or 206127. The SU HIF44 mounts directly to a Minispares C-AHT770 cast aluminum manifold shown above, which costs just $67 including shipping from the UK. Zero-to-60 times dropped to 8.5 seconds. 180-200 bhp reliably. While its price requires serious thought, its on par with other proven power-adding methods. If you have the space under the hood, use an L-shaped piece of tubing to duct air into the carb instead of a hat--the L-tube will not hinder flow at high RPM and/or extreme . (.345 Bars) of boost at sea level on a stock 1275cc A-Series engine, running a 3.1" supercharger pulleywhat we call the mild-mannered Stage I setup. DIY Supercharger Conversion with Intercooler for MG Midget, Austin Healey Sprite,and Morris Minor - Overview. In the mid-90s, Bill returned to the San Francisco Bay Area after a stint designing and racing sailboats in Australia. Nice details such as the MG logo cast into the manifold and the new SU carb make the supercharger system appear period-correct. A set of colder N7Y sparkplugs and a high-flow K&N air filter are also included. Been of fan of Eclectic probably since before you were born. Although , I suspect you're probably pretty handy at fabricating whatever you need. We also found that with the stock head and camshaft, wed couldnt give the car more than 32 degrees total ignition timing advance (vacuum advance disconnected) before detonation would set in. This supercharger has the same, 45 cubic inch displacement as the unit fitted to the 2002 Mini Cooper S. However,it has a simpler design, is more compact at 11" long,6.5" wide and 5" high, and weighs only 16 lbs. Their MGB kit promises massive torque plus a 30-to-50-percent horsepower increase. SU HIF44 . Similar in appearance to the Marshall units available in the past, the Moss kit featured a modern Eaton supercharger for higher efficiency and better drivability. Yours is way more interesting :D. I started working on the inlet/outlet for the blower. Welcome Guest. If you start chasing power, you're going to end up banging your head against the wall fairly shortly. To get started, click here for parts list and step-by-step instructions. woodside bhp merger presentation. 342-0010, available from Moss as part no. If the kit was installed on a poor-running car, it would probably run worse. MG On the dyno, the car would pull well until we hit about 5300 rpm. In traffic, we found ourselves just pushing down on the throttle instead of downshifting. If youre contemplating a project like this, carefully make your plan and consider what youre willing to trade for more power. The inlet is kind of convoluted to get to fit in the space between that board and your strut bracket, but it can be done with some appropriately sized tubing, metal or plastic plumbing. This is more just a fun project for me to learn a little about superchargers, tuning, and make my 1.6 a little more fun. This is awesome. So what does Moss Motors know about superchargers? This Supercharger is designed to fit the XPAG and XPEG engines fitted to MG TB-TC-TD- TF sports cars from 1939-1955, providing a boost pressure of 6-10 psi depending on engine configuration. The temperature was 85 F. / 29.4 C: Here the car easily paces traffic and overtakes slower vehicles on the freeway, effortlessly surging from 72 mph to 80 mph (Datsun 5-speed transmission with 3.9:1 differential). Unfortunately I don't believe I'll be able to replicate their castings out of sheet metal so the packaging might be a little tougher. The . Superchargers have been used on cars and piston engined aircraft since before World War II in order to obtain maximum power without losing vital torque. Jackson Racing has been building supercharger systems for more than eight years, and many of its customers cars have more than 100,000 miles of reliable everyday service. Backdraft Ac Cobra For Sale South Africa, serta big and tall office chair model 49734, carla abellana and tom rodriguez relationship, why do i get goosebumps when my boyfriend touches me, who to call about a homeless person los angeles, what congressional district am i in georgia, Yeast Infection Sores On Buttocks Pictures. $4.79. www.superchargerforums.com/threads/eaton-compressor-maps.94/, Mounting a carb on the back of the supercharger, Getting a tune on it which allows for decent drive-ability. (The center two cylinders are fed by the same passage in the cylinder head.) My dad (Carl Heideman) has built a supercharged MGB and TR6 that he's written about in GRM and CMS. | Each of these methods gives the air/fuel mixture and exhaust an easier path to followsort of like leading a horse to water. 98. st louis classic gymnastics meet 2022 schedule . While the brakes now require a little more pressure, they remain confidence-inspiring. Also, make sure you have an air temp sensor that can handle over 200F. Even a140 HP NASP T-Sereis would be a significant improvement and they should be more easily available for pennies. . Was: $249.99. Hang on, because the feeling is akin to someone adding another four cylinders of power without the weight. Prior to supercharging, there wasnt any good way to significantly increase horsepower without sacrificing drivability. MGA, MGB - Low Compression or Modified Engines. Lift the engine to remove the pulley Fit the new pulley, water pump, and fit the brackets for the idler wheels Hang the supercharger (complete with carb) onto the manifold bolts From 7.40. | Posted in I had one years ago. Automatic spring tensioner eliminates slippage and enables instant belt changes using a 3/8 rachet driver, Use either a compact, dual internal fan 90-amp CS121D Saturn alternator, the popular CS130-style early Saturn alternator, a late model stock Spridget alternator, or (pictured) a converted generator. The Moss supercharger kit is not quite a silver bullet, but it comes pretty close. Not wanting to leave good enough alone, we decided to push the Moss kit to its limits. After the installation was complete, the car had no problems starting or running, although with a slightly rich mixture. Mama mia! As discussed here, this stealth Audi A4 intercooler hidden behind the grille reduced intake charge temperature by as much as 127.8 F. The horns, and the heater control vane (in 1967 Spridgets only), are relocated as described here: The system is designed to generate 5.0 psi. Jan 1, 2022 - Vmaxscart B series MGB supercharger kit based on our best selling A series kit, Complete with pulleys , belt, supercharger, pre jetted and modified DCOE carburetor, decompression plate, air filter and gaskets etc. Way back in the '80s the original owner had it done by Auto Power Services, a long gone specialist at Daventry. Regular price 595.00. BTGK-LW, $109) and an Automotive Racing Products head stud kit (part no. We cut back the header flange, not wanting to weaken the superchargers mount. He picked up a 1978 model for use as adailydriver. Was: $249.99. I'm using a GM open element sensor. Superchargers & Intercoolers; Car & Truck Turbos & Parts; Turbo Chargers & Parts for MG MGB; . We went back to the stock-spec plugs (NGK BPR6ES, equivalent to Champion RN9YC) and eliminated all problems. Our CNC 6061 billet a 2,295.00 Vmaxscart B series MGB supercharger kit based on our best selling A series kit, Complete with pulleys , belt, supercharger, pre jetted and modified DCOE carburetor, decompression plate, air filter and gaskets etc. install a high-pressure fuel system create or modify a vapor recovery system plumb and adust the fuel pressure regulator wire the high pressure pump replace the supercharger pulley prepare the supercharger install the eaton m45 manifold install the supercharger install the serpentine belt plumb the intercooler bypass valve & intake tract A proper resto-modification is non-invasivethe vehicle can be returned to stock without a trace of evidence showing past higher performance indiscretions. Instead of using a modern carburetor, Moss chose to retain the vintage flavor of the MGB and opted for an SU HIF 44 side-draft model thats been highly tuned to work with the supercharger. Please Login or Register. It'll be much lighter, plus you don't have to paint it. An easy DIY fit and adds around 35 bhp and 35 lbs ft to what you currently have. Looking at the air/fuel curve from the dyno data, we saw that the mixture had gone extremely rich above 4000 rpm, robbing us of a little power. When modifications start entering the picture, however, that pleasant MGB feel is jeopardized. Worth it? 222-270 for $325, including lifters). 98. If you check a BMC B-series head, I think youll find that the siamese port that services the center two cylinders is actually an exhaust port. It looked possible to make fit under the hood. You can also hear the vacuum-actuated bypass valve operating each time the driver backs off the throttle: SPONSORED. DIY Supercharged 1971 MGB. Our car runs the Lucas 45D Eurospec distributor (Moss part no. Armed with this information, Moss engineers designed an intake manifold that provides equal airflow, pressure, and fuel mixture to each cylinder. The car is a 1967 MG Midget with an internally stock 1275 e. This is the Creative Spridgets DIY intercooled supercharger conversion for all A-Series engines. Drove like a 2 litre, only downside being it drank fuel like a 4 litre. While theMGBwasnt always trouble-free, Bill held onto it. Bolt-on modifications like a long-center-branch header, free-flowing 1.75" exhaust system, up to seven smaller high boost supercharger pulleys, andhigh-lift rocker arms will further enhance your performance. If the engine can inhale more air/fuel or exhale the exhaust gases more efficiently, then its going to make more power. The new MGB supercharger system uses the same Eaton positive-displacement, Roots-type supercharger found on contemporary OE applications such as Mercedes-Benz and Jaguar. The system is designed to generate 5.0 psi. To match the thicknesses of these parts, Moss includes shims and super glue. The Moss supercharger kits give increased torque and horsepower throughout the rev range without adding extra stress to your engine. MGA, MGB - Low Compression or Modified Engines . At publication time, the 1968-74 system had been tested on several cars with various compression ratios and engines conditions ranging from newly rebuilt to high-mileage but well-maintained. It's fun to see a DIY SC build. On the rolling road it didn't produce much more power than the factory Rallye 2 model's 82 bhp from the 1294cc with a wilder cam and twin solex sidedraught carbs, but it always felt really torquey with lots of low down punch. I don't see why you couldn't mount the supercharger straight onto the webber manifold with a simple adaptor plate. The torque increase is impressive. A 22-page installation manual finishes the kit. Likewise, they have too much advance at higher engine speeds, which can lead to harmful detonation. The ram pipe is optimized to accelerate the intake charge and it comes with three interchangeable restrictor rings to achieve the correct pressure differential between the Venturi (jet) and the float chamber as discussed by David Vizzard in Tuning the A-Series Engine at p. 346. (The center two cylinders are fed by the same passage in the cylinder head.) The supercharger is an MP62 and sits right where you mocked up yours. It is at least possible that certain 1998 and 2004 models may feature this blower as well. This is a set up on a 1294cc SIMCA 1000 I ran for a while. It takes in a mixture of air and fuel and pushes out exhaust gasses, making power in the middle. Sometimes yinz give me such hope for the future. Anyone installing a supercharger should expect to deal with some minor issues along the way, especially given that many cars have been modified from stock at some time in their past. Welcome to the home of the best BMC Supercharger Kits, for Mini, Midget, MGB and MGA. Also, modifying an A-Series engine to achieve 90 to 100 h.p. Also included is a brand-new SU HIF 44 carb and K&N air filter. When bolted on a 1250cc engine, it produces 6-8 psi of boost and around 40% more power. Share. charles sobhraj interview 1997. data nugget coral bleaching and climate change answers; brett whiteley self portrait 1975; mugshots florence sc; elements of media literacy pdf This brings up the first tricky part of the installation, as there are different flange thicknesses for various exhaust manifolds and headers out there. DIY intercooled supercharger MG Midget 0-75 mph. 159 . MODEL-SPECIFIC DESIGNED. Features As far as MGBs go, Bills particular car wasnt anything too special. All rights reserved. The supercharger isnt going to cure worn valves. The tail end of the driveline has been modified, too, as Bills MGB has been fitted with a narrowed 8.8-inch Ford rear end that has received Mustang Cobra disc brakes. 2.5" Diy Turbo Charger Intercooler + 12Pc Piping Pipe Kit T-Bolt Clamps Couplers (Fits: MG MGB) $174.99. As far as the ECU goes, I recently installed a Megasquirt PNP to learn a little about tuning an engine. I go to Hope College for Mechanical Engineering, I'm on the Formula SAE team, and like to work on cars in my free time. You decide. The supercharger is a high-volume, low-pressure air compressor that simply forces a larger air/fuel charge into the engine. HSB-142, $136) from Advanced Performance Technology. The supercharger is an MP62 and sits right where you mocked up yours. I'm Jack Heideman from Holland, Michigan. Jan 1, 2022 - Vmaxscart B series MGB supercharger kit based on our best selling A series kit, Complete with pulleys , belt, supercharger, pre jetted and modified DCOE carburetor, decompression plate, air filter and gaskets etc. Since we installed the supercharger on an already well-tuned car, we had no difficulties. 3j4BK5iMAhB3dOuCX9fuudzaknmGCemzphUCi4hmgnBVtmGed7iWZ48psPITLtpk. We provide shop-tested, on-line instructions for each project with photos and videos. Armed with the tools of modern computer-controlled fuel-injection systems and precision manufacturing techniques, superchargers have again been embraced by automakers and the aftermarket alike. MGB 1965-67 with Moss Supercharger. The supercharger itself is an Eaton M-45 unit attached to a specially cast intake manifold. You are here: cape breton post latest obits; david caruso art business; diy supercharger for mgb . Feb 13, 2008. . Seems like a better march due to rpm ranges involved, but i always see rpots style. These flanges meet up with the intake manifold flanges at the mounting points, so alignment is critical to avoid leaks. An easy DIY fit and adds around 35 bhp and 35 lbs ft to what you currently have. Keep us boosted! Who needs an oil cooler? According to Eatons website, [u]nlike turbocharging, Eaton superchargers provide instant throttle response and torque across the engine's entire powerband. Also, superchargers do not require custom exhaust work or a dedicated oil feed line, and they do not raise temperatures under the bonnetlike a turbocharger. So stuff like this gets my attention. Its hard to argue with the wow factor when you open the hood and reveal the Moss supercharger system. | Never miss an article. But until now, only three supercharger systems fit under the Spridget's sloping bonnet:the inefficient and increasingly rare Judson setup; the Moss Motors Eaton-basedkit, which costs $4,600, and the High Performance Products twin-screw offering, which begins at $6,000. $169.99. Almost as critical as manifold design is the fuel delivery system. Air/water in the manifold is a lot more effective but more complex/expensive. Jackson Racings supercharger systems are highly sophisticated with OBD II-compliant engine management and extremely compact packaging requirements. From my research when looking for blowers for the Cortina I went with an M45 from a mini but the Mercedes ones are just as good. Sure, MG is no longer around, but the company truly had things figured out in its heyday. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Copyright 2022 Moss Motors, Ltd. All Rights Reserved. With the radiator, front pulley, alternator, water pump and intake system removed, the engine was ready for the supercharger installation. Later units have too much mechanical advance built into them, resulting in not enough advance at low engine speeds and thus causing sluggish acceleration. 6:17 amJanuary 24, 2015 jshmg. On a 350 Chev, Weiand estimates an extra 100-120hp with one of its low-blow superchargers on an otherwise stock motor. Their MGB kit promises "massive torque" plus a 30-to-50-percent horsepower increase. Installing the supercharger will only make people more likely to blame the induction side of the engine, and we caution them to look carefully at their ignition system before even beginning to install the kit. There's a local guy (not sure if he's on here) who ripped the drivetrain out of a CRV, cut things to pieces, and converted his little honda into 4wd, on top of a budget supercharged/turbocharged build. The manufacturer built roughly half a million of these cars, and front disc brakes, rack-and-pinion steering and unibody construction teamed up to give the MGB its memorable feel. If you are worried about the gearbox, just fit a 140 HP NASP. A Rolling road tune. diy supercharger for mgb. I put an m45 on my '99 a month ago but that was amateur hour - it was the kit meant for a Miata, with literal step by step instructions. Serpentine belts last longer, run smoother, and grip better than old-style V-belts. diy supercharger for mgb. Ever the tinkerer, Bill says he is contemplating a rear Panhard bar setup, but during our fairly brisk drive we saw no need for further modification. Get the best deals on Turbo Chargers & Parts for MG MGB when you shop the largest online selection at eBay.com. The town couldn't be more aptly named unless it was in Oildale. 2023 Motorsport Marketing. Fuel is pumped from the main tank to the auxiliary fuel cell by a 72 gph low pressure pump. Lean the exhaust manifold away from the block Remove the engine mounting bolts Remove the crankshaft bolt and the pulley (might be tough!) This all sounds too good to be true. Inside, the details continue. After a few tries it fit well on the supercharger. So you're saying we need a roots type supercharger driven off a moped CVT geared in reverse? Why not get a Rover T-series turbo engine complete? 40K views 4 years ago How to build a supercharger/ blower manifold from scratch using basic tools and materials. Dyno numbers are impressive, but how do they relate to the real-world driving experience? We did encounter a few small problems, however, which well get to in a minute. We first installed their head ($995 plus shipping) along with a 270-degree-duration Crane camshaft (part no. The longer number is the Mercedes designation. 2023 Motorsport Marketing. By Tim Suddard Its easy to end up with a ride thats too rugged and controls that are too brutal. The ported head and improved camshaft would take more advance without detonation, but still made peak power at 32 degrees. I always wondered how a centrifugal supercharger would work out on a 1.8 miata. The Moss kit is complete in every detail, from blower to carburetor to every nut, bolt and washer needed for installation. It allows you to keep everything you love about your classic British sportscar and change everything you dont. Despite these minor detail problems, we feel Moss has done an excellent job in providing this comprehensive kit. You can fit an Audi A4 intercooler behind the grille in the nose of your Spridget for denser mixture and more power as described here. Please let me introduce myself. Keeping up with traffic and passing on two-lane roads can be a struggle. Which leads me to suspect they didnt sell many (or possibly any) to F/TF owners. Very nice to lookat, with a wooden almost dead feel at the wheel. The oversized mounting flange of our exhaust header interfered with the oversized mounting flange of the Moss supercharger intake manifold, meaning one of them had to be cut back. Think performance thats closer to a modified Triumph TR6 than a stock MGB. We also used an adjustable timing gear set (part no. Driving the short-lived MGA Twin Cam is magical, An MGC Coupe that recalls the glory days of motorsport. Most inexperienced tuners start by blaming the induction side of the engine equation, but remember an old saying: Most carburetor problems are ignition-related. Its also the cornerstone of Jackson Racings aftermarket systems, so Moss engineers have lots of experience with this supercharger. If you use this track on Twitch, please link to this channel in a panel using this image: http://bit.ly/ArgofoxTP , With this increased horsepower and torque, you downshift less and dont think twice about pulling out to pass. Big Boost Upgrade Pulley . The venerable A-Series engine is the beating heart of some of Britain's most beloved automobiles, but achieving a meaningful increase in horsepower means dismantling the engine and spending serious money. Similar in appearance to the Marshall units available in the past, the Moss kit featured a modern Eaton supercharger for higher efficiency and better drivability. Increased torque means you shift gears less often and can push a taller differential ratio. (.345 Bars) of boost at sea level on a stock 1275cc A-Series engine, running a 3.1" supercharger pulleywhat we call the mild-mannered 'Stage I' setup. Moss includes colder spark plugs with the kit to help avoid detonation issues (NGK BPR7ES, which are equivalent to Champion RN7YC), but we found that they caused a hesitation with our car. *Note: Mosss alternator conversion kit is $270. Average 5 speed conversion that is rebuilt and ready to installs appears to be around $4,000. There are always those who argue that a classic sports car like an MGB should be left as God and the queen intended: stock as the day it was born. MGB (B Series Supercharger) 150-051 . With a timing and idle-mixture adjustment, we were ready to go for our first drive. I'm not going to lie. Watch on Here the car easily paces traffic and overtakes slower vehicles on the freeway, effortlessly surging from 72 mph to 80 mph (Datsun 5-speed transmission with 3.9:1 differential). Outlet side is up, and about 30 degrees from horizontal. The engine started and ran very well. For example, the first time a Honda thats capable of stopping from 60mph in 115 feet slams on the brakes in front of your freshly painted, newly chromed restoration, youll appreciate your modern, upgraded brakes. Dan Ewing Partner, The Moss Motors MGB Supercharger System is compact, and installation doesnt require cutting or permanent modifications to the car. Moss will roll out these MGB supercharging systems in three groups: The first wave will be for 1966-74 (150-068), the second production run covers 1975-80 (rubber bumpers), and finally for the earlier 1962-67 models. Once the supercharger was mounted, we could install the belt and its tensioner. My nephew built and raced EVO's in Time Attack competitions around the UK, a few years back, getting almost 900 bhp from their engines and setting some records along the way. And that power is unobtrusive, tooit just builds nicely. , This all sounds too good to be true. A call to Joe Curto Inc. netted us some new needles and springs to try, and we made a little progress in eliminating the top-end losses. In stock form, the little 1798cc four-banger barely cranks out 50 hp to the rear wheels. Once that charge is burned, it's got no choice but to force itself out through the exhaust. Neat project. Enjoy this time of your life. 38mm Aluminum Top Steel V-Band Gold External Waste Gate For Supercharger Turbo (Fits: MG MGB) $43.99. MGB Supercharger from Moss: $4,300. I put a 1800CC MGB engine, O/D and an early MGB rear end in my 1958 MGA Coupe. If you locate other models fitted with this blower, please let us know so that we may update this page. Blowers make horsepower and lots more torque than a standard engine. Neat! Outlet side is up, and about 30 degrees from horizontal. Welcome to Bimmerfest The #1 Online Community for BMW related information! On this low-compression engine, we found 32 degrees total mechanical advance (vacuum advance disconnected) at 3500 rpm to be the best configuration for power without detonation. I can always pull the good stuff off if I find a better shell. More than you might suspect. $134.99. Driving the short-lived MGA Twin Cam is magical, An MGC Coupe that recalls the glory days of motorsport. $134.99. Their Oregon-based shop has been porting heads for street and race MGBs for years, and theyve developed an excellent reputation for delivering power through their work. We suspected the engine had a higher than normal compression ratio, however, because even with unleaded premium fuel it pinged under load. After about a month of the blower on craigslist I offered the guy $100 and he took it.