THE DYNO RUN Build, text and photos by Mike Mavrigian . Well, we finally ran this engine on dyno. The dyno location was Platinum Engine Designs in Norwich, Ohio, a clean-as-a-whistle top-notch race engine shop in southeast Ohio, equipped with a late-model SuperFlow engine dyno.
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 [...]
The upper intake manifold plenum box gasket is stainless-steel reinforced and provided a perfect fit. The upper plenum box is secured with 1/4″ x 20 x 3/4″ stainless socket head cap screws. I applied a dab of moly to the threads prior to installation. I tightened all screws to 60 in-lbs using a criss-cross pattern. [...]
WATER PUMP Installing the Meziere Enterprises electric water pump P/N wp300 was a breeze. With gaskets lightly coated with UltraCopper RTV, I snugged the four ARP 3/8″ x 16 x 1.250″ stainless bolts to a specified value of 25 ft-lbs (Meziere supplies socket head cap screws, but I opted for the ARP polished stainless just [...]
Dart 11-Degree Big Chief Cylinder Head Specs P/N………………………18500000 Material…………………355T6 aluminum alloy Comb. Chambers……….56cc (70cc also available) Intake valve dia…………2.470″ Intake port dim. …………1.815″ x 2.725″ w/3/4″ radius Intake port volume………FP CNC – 497cc Intake port location……..Raised 1.500″ spread ports Exhaust valve dia………1.800″ Exhaust port volume……185cc Exhaust port dim………..2.020″w x 1.780″h Exhaust port location……angled & raised [...]
We build a big, big block drag mill just for the sheer hell of it. by Mike Mavrigian photos by author Some folks love to claim that bigger is not always better. While that may be true in some cases, let’s face it…when the conversation turns to displacement, well, bigger cain’t never hurt. After all, [...]
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