|  For all you out there who like big, honking V-8’s and screamin’ V-12 engines, check out these tiny versions that you could run on your workbench or kitchen table. These models were built by craftsmen the same way the big ones are made by machining billet stock and castings, but in miniature. These are not just models that look like engines, they are real running engines. Some of these photos were taken from the Joe Martin Foundation Craftsmanship Museum web site at www.CraftsmanshipMuseum.com, but many more images can be found elsewhere on the web, and engines like these can be seen in person at model engineering shows around the country. (Underlined words in the text are links to related sites.) Here are some really nice examples: |
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|  The late Lee Root built this ¼ scale Corvette engine. The major components were machined entirely from solid billet aluminum that has been bead blasted to look like castings, and it will turn 18,000 RPM! The coin you see in some of the photos for size reference is a US Quarter. The valve covers are just 4-1/2″ long, and the miniature spark plugs are commercially available. |
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|  This 1/3 scale billet machined, supercharged Chrysler 300 Hemi racing engine from the 1960s was built by James Weber. It has a 1.0″ bore and 0.90″ stroke displacing 5.65 cubic inches. The engine burns gasoline or methanol (methyl alcohol) on dual electronic spark ignition and incorporates a two-stage pressurized dry-sump lubrication system. You can see and hear video of it running at www.weberprecision.com. It will turn around 12 grand and uses a couple of computer cooling fans on the radiator to keep things cool. Note the professional looking throttle and gauges on the stand. |
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|  Here’s a V-8 and a halfÂÂ; a ¼ scale Ferrari V-12 by Jeron Classic Motors. It has double overhead camshafts, burns methanol on glow ignition and is equipped with two oil pumps for dry sump lubrication. All six carburetors function and are linked together for smooth operation. The heads and block are about 7-1/4″ long. Only a few of these were made before the company went out of business, so it’s pretty rare. Like many of the engines you see here, it is on loan to the Craftsmanship Museum courtesy of Paul and Paula Knapp and their Miniature Engineering Museum . |
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|  Here’s another twelve. The late Al Ingersol built this Curtiss D-12D 1/6 scale V-12 airplane engine completely from billet stock and also built a model Curtiss Wright P 6E biplane to put it in. The engine is only 9″ long and weighs 6 pounds. It has a 0.80″ bore and 1.062″ stroke, displacing 6.46 cubic inches. |
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 One of the more popular model V-8 engines over the years has been the Challenger. This one was built by Ron Colonna. Casting kits are still available for this 1/3 scale engine through Coles Power Models, although it is definitely not a beginner project. |
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| Â Â Several V-8 engines by Ken Hurst are displayed at a model engineering shows like the recent Western Engine Model Exhibition (WEME) in Vallejo , CA .. How about that supercharger! Behind the first engine is his blue Challenger V-8. The 103 cc engine sounds great running on a mixture of white gas and high octane racing fuel. |
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 Eugene Corl built this 1/3 scale Chevy V-8 using engine castings he produced himself. The engine is seen here at the Gas Engine Antique Reproduction Show (GEARS) in Portland , OR . |
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| Â Seen above are some of the wooden patterns, molds, cores and raw castings that had to be made to build Gene’s 1/3 scale Chevy V-8. Once cast, the parts must be precisely machined just like real engine components. When you look at one of these finished little engines, keep in mind all the planning, preparation, fixturing and behind-the-scenes work that goes into making one. |
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| Â These photos show the world’s smallest known running Chevrolet V-8. Jim Moyer built this 1/6 scale version of a 1964 365 HP Chevrolet Corvette 327. Note the tiny firing order cast into the intake manifold just like on the real thing. The heads and block are machined from billet aluminum. Jim even made stamping dies to make the oil pan, rockers and front cover. The valve covers are investment cast. |
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 Here you can see the cylinder heads of the Moyer 327 plus the stamped oil pan and front cover. Some parts inside the engines are made to scale like the 30-30 Duntov camshaft, but some things have to be modified to make a small engine run. Electricity and fuel molecules don’t scale, so some parts have to be slightly heavier or larger than exact scale would dictate. Getting a small engine to run requires skill and careful work; getting one to run well is an art.
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| Â Here’s a shot of Jim’s tiny Corvette V-8 being test run. You can view a video of it running on his site at www.moyermade.com. He is now working on a 1/6 scale Chevy 409. |
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 Â Gary Conley came up with the ¼ scale Conley V-8 in the 1980’s. This version has twin carbs. You could buy it as a kit or as a completed engine. Gary is now building what he calls the “Stinger 609” V-8 that will soon be available as a complete running engine. Gary ‘s site is www.conleyprecision.com where he has video of a supercharged Stinger 609 running in a 1/4 scale dragster. Impressive! |
| Â Paul Knapp built this great looking version of the Conley V-8. It runs twin carbs on a fully functional Roots style 671 blower and will turn 12,000 RPM on methanol. Note the nicely painted and highly polished finishes on this beautiful engine. (Did you notice that the ignition switch even has its own set of keys like a real engine?) |
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  Cirrus V-8 by Profi M.E. of the Ukraine is based on the Merritt Zimmerman design. The exposed rocker arms need to be manually lubricated before running the engine. Again, note the really nice finishes on every part. |
|  This is one of only six air-cooled Micro Cirrus 1/12 scale V-8s produced by Profi M.E. using the components from a run of 4-cylinder Micro Cirrus engines. Six water-cooled versions were also built. The cylinder heads on this rare V-8 are only about 2″ long. Note the size of the quarter at the bottom of the photo. This thing is TINY! |
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  This 87 cc V-12 by Martin Ohrendorf of Germany has a 21 mm bore and stroke, 24 exposed rocker arms and three carbs. It will spin a 24/10 propeller at 4500 RPM. |
| Â This scale 426 Hemi V-8 by Roger Butzen was made by using parts of a plastic model kit for reference. This one, however, is all metal and it RUNS! Only the air cleaner decal from the plastic kit made it to the final running version. |
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Here is another Challenger V-8 at the WEME show in Vallejo . This one was built by Dick Pretel and sports triple carbs. Starter, batteries and other peripherals are hidden in the wooden base. It even has carrying handles! Big fins on the valve covers help with cooling. |
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|  The Joe Martin Foundation for Exceptional Craftsmanship has a machine shop in their museum in Vista , CA , where they are currently building a miniature Howell V-4 engine. They have documented the build step-by-step so you can see what it takes to put together a running miniature engine. Send this on to every motorhead you know. The craftsmen who build these little beauties deserve plenty of recognition. |
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