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Hemi crank and high duration cams

Posted by David on 6th Apr 2018

This is regarding the Predator Hemi engine only...The crank shafts in the Hemi engines have a more rounded look to the top of the journal unlike the other Predator or Clone cranks do. This causes a problem when using high duration cams like the Mod2 or F275. The lobe of the cam will hit the high rounded spots on the top of the crank. Easy fix here. Just wrap some tape around the crank journal and grind the top part of the crank flat. I use a stan …
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Clone Stock Appearing Rules

9th Oct 2014

MONDAY, SEPTEMBER 26, 2011Clone Stock Appearing Outlaw RulesThe following rules are something I wrote up last fall for tracks to use as a template for a stock appearing class for the clone engine. Thease rules are intended to allow the average guy to build a powerful yet still durable engine in his own garage while keeping a lid on the potential costs of high priced modifications. Stock appearing has always been my favorite class because it is …
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Low Tension Rings for Box Stock

8th Oct 2014

TUESDAY, APRIL 2, 2013 Low Tension Piston Rings for Box StockThe newest hot setup for Box Stock Class engines is to install low tension piston rings. There are a few tricks you should know when using these rings, but if you feel comfortable replacing piston rings, it is easy.For reasons I'll explain below, I recommend buying the DJ-1290LT ring set and the DJ-1290TR +.005" top ring for a fresh standard bore or a DJ-1291TR +.010" top ring for a b …
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