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Old 11-17-2008, 09:38 AM
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joshw0517
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Join Date: Nov 2008
Posts: 8
Default 400 sbc questions, all subjects

Hey guys i got alota questions and am taking all advise. First of all i am building a 406ci sbc, its a 509 block. The purpose of this engine is pump gas street/strip, 1989 camaro with 3.73 and th350 2800-3000stall, looking to get sumwhere hopefully into high or mid 11s. The parts i have now is the stock 509 block and a set of Brodix Track 1 heads that i picked up for less that 1/5 of the original price. The heads have 2.02 1.60 valves and have been milled down, bought them from machine shop said about 58cc chambers, and have had some port work done. NOW here goes the questions.
What should i do as far a crank and rods. when this engine is done its done maybe a 150 shot of nitrous but other than that it is what it is. Can i get by with sumthing like scat 900 crank and scat I-beam 4340 rods. Im looking at 6500 rpms max. Im on a tight budget but i dont want to scatter it all over the place.
Next is pistons, im looking at forged pistons even with the extra expense, im looking at around 11:1 compression, is that ok on pump gas and can i get 11:1 with flat tops with the small champers?
Next is Cam im was thinking around 276 adv dur or maybe a little bigger with sumthin around 500 to 525 lift so it will run pretty good on the street and have the rpm range i want with good low end. Opinions?
Now im looking for misc stuff you guys wanna tell me. Im havin it built by a respectable machine shop that builds circle track engines in the area thats y im getn ur guys advise cause i looking for more of a strait line car on the street. Can i get into the 11's with what im looking at. Thanks everybody im gona watch close so if u have anymore questions ill be around to answer them.
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