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would like imput on turbo and waste gate size

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Old 01-05-2012, 01:31 PM
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Default would like imput on turbo and waste gate size

Ok so putting a 370 together, forged pistons and rods stock crank. Will be running either tea's ported tfs "turbo" heads or stage 3 prc 317 casting. Will have a cam custom ground. Questions are will a b&g s475 be a good choice for a turbo, and what size wastegate should I run? Will be on a truck manifold setup if that makes any difference.
Old 01-05-2012, 01:56 PM
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no smaller than a 44mm, but the bigger the better it will be able to control the boost. the JGS 50mm would be a good choice
Old 01-05-2012, 02:12 PM
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Ok, will i be able to get buy with a manual boost controller? And what spring size do i need not understanding that??? New to all the turbo stuff
Old 01-05-2012, 10:12 PM
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How much HP do you wanna make???
Old 01-05-2012, 10:55 PM
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Well would like to be in high 6xx area, car will mainly be on the strip so want something that likes upper rpm range.
Old 01-05-2012, 10:58 PM
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Also why do most of the bigger waste gates not specify what springs they come with?
Old 01-06-2012, 06:16 PM
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TC78 + JGS 40mm = proven 650rwhp on an LS with quick spool up
Old 01-06-2012, 08:10 PM
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Originally Posted by ModularTurbo
TC78 + JGS 40mm = proven 650rwhp on an LS with quick spool up
Pm'd you



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