Ross Racing Engines’ Tony Lombardi cut the valve reliefs using an end mill and his adjustable piston vise. Build, text and photos by Mike Mavrigian The Pontiac bigblock build (starting with a 455 block and boring/stroking to 501 CID) is progressing. I apologize for the time delay, but this build has been [...]
(l to r) Scott Overlund, Engine Pro; Brent Walk, Dart Machinery; Nick Weed, Performance Engineering; Tom Stuyvesant, Engine Pro; Dave Lorentz, engine winner; Tom DeBlasis, Hastings Manufacturing; Paul Hauglie, Melling Engine Parts; Shane Turner , JE/SRP; Jeff Hutchinson, Pro Finish Powder Coating The winner of the Engine Pro $20,000 engine giveaway at US [...]
Our build is done. See the end of this article for several tasty photos of the finished engine, followed by a complete list of the participating manufacturers. FINAL ASSEMBLY OF OUR NASTY LITTLE DART 427W OUR ONE TRICK PONY IS DONE. WE’RE READY FOR THE DYNO RUN. Engine build, text and photos by Mike [...]
by Mike Mavrigian Build/assembly and all photos by author Our Lunati roller cam features 0.544″ valve lift at intake and 0.560″ at exhaust, with duration of 232 intake and 242 exhaust. Centerline is 108 intake and 116 exhaust. CAMSHAFT AND TIMING Dart thoughtfully provided anti-friction-coated cam bearings with their block. Each bearing is [...]
STROKIN’ THE DART WINDSOR Our current engine project begins with a 351W block and increasing displacement to a whopping 427 CID. Text & photos by Mike Mavrigian The Dart 351W iron-alloy block is available in either a 9.200” (standard Cleveland) or 9.500” deck height. We opted for the 9.5” deck. This project [...]
JE Pistons has announced that their popular SRP Professional Piston Kits now include piston skirt coating at no extra charge. Every SRP Professional piston kit already includes several features used in top level professional racing engines such as lightweight forged side relief (FSR) forgings, high quality wrist pins and precision CNC machined ring grooves. [...]
A Kalamazoo, MI racer added a $20,000 racing engine to his list of winnings during Engine Pro’s Engine Giveaway presented by Dart Machinery at US 131 Motorsports Park in Martin, MI on September 12, 2009, during the Fifth Annual IHRA Funny Car Nationals. Justin Wanamaker’s name was the last one remaining as names of [...]
MARINE PERFORMANCE PISTONS A look at how marine differs from automotive. Note the extra dome thickness of this marine piston example. It’s designed for long duration operation under load, especially with forced induction. (Illustration courtesy JE Pistons) Ever wonder if and how a marine-application piston differs from an automotive slug? Well, we did, so we [...]
Our JE forged pistons included wire locks for floating pin securing. The wire locks are installed by working your way around the lock with a small screwdriver. A nice option for wire lock installation is Lockintool’s W-927 installation tool. It takes some getting used to but, once you develop the knack, it’s a real time [...]
PROJECT LS2, PART 3 Assembly of the short block and cylinder head installation by Mike Mavrigian All photos by author INSTALLING THE RELUCTOR WHEEL The reluctor wheel features a series of teeth that provide crankshaft position signals via a sensor to the ECM. The wheel press fits to the rear of the crank, immediately forward [...]
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