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88Procharger · 09-16-2002, 07:50 PM

I dont know what to build. here is what I have, 306 (stock block)DSS pistons,TFS heads,Comp cam 620 lift,Cobra intake,D1-X Dynoed at 489rwhp at 4700, right before the stock balancer was no longer connected to the crankshaft. so 331 with SVO block or 408 with 351 block. what do you think.

09-16-2002, 07:50 PM	#1
88Procharger Registered Member Join Date: Jul 2002 Location: Frazeysburg,Oh Posts: 15	331 or 408 I dont know what to build. here is what I have, 306 (stock block)DSS pistons,TFS heads,Comp cam 620 lift,Cobra intake,D1-X Dynoed at 489rwhp at 4700, right before the stock balancer was no longer connected to the crankshaft. so 331 with SVO block or 408 with 351 block. what do you think.