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My PRH 572 is right at 10.75:1 and runs fine on 93UL pump swill. Cam is a 266/272 110lsa Comp Roller. The engine idles nice at 1050rpm and is easy to drive on the street


Ron



looking great there ron. but i have a question for you.on the mopar 337 intake.did you use it to cover up the valley? i mean did you use it instead of useing the indy valley plate or did the intake bolt on top of the indy plate? sorry for the weared question.but in the pic the 337 intake almost looks like it is bolted on top of the indy valley plate? i might be wanting to try this intake latter on down the road.thanks Mopar65

3520 pound race ready 1973 Street/Strip Dodge Dart - Stock stroke 440/727 10.49 @ 125.0 on 93 pump gas & ET Street Radials. More to come... ( SGT Miller) Proudly served 12 years in the US ARMY RESERVES support our troops