Which head studs for a turbo build
Thread Starter
Teching In
Joined: Dec 2012
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Which head studs for a turbo build Hi guys I was wondering if somebody could tell me which head stud I need to fit the ls4 block. I'm using the 317 heads if that makes a difference. The reason I ask is apparently there is a 11mm choice LQ9 and 12mm choice ls9.
Cheers
Cheers
id guess they are 11mm since a LS9 was not even released for sale years after the LS4 was killed off. call a machine shop or someone like ARP and they will be able to look it for you.
Thread Starter
Teching In
Joined: Dec 2012
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I'm using the 317 heads and the thicker head gaskets to lower the cores soon to be able to run more boost safely as when I read into boosting these engines you had to use a 9:1 comp ratio to to be able run over 15psi
I would disagree and 15 psi on this car is some serious power I hope you got money for a transmission and a. 1" gmr chain otherwise the power will never get to the ground
Thread Starter
Teching In
Joined: Dec 2012
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Yes the transmission is not an issue I'm basically buying triple edges catalogue of parts then when I have something to work with I have a company in the UK willing to make a Borg Warner 1" wide chain, failing that ill get adaptor plates made to fit a different box
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Whoa dude if you have a line on those chains you're going to be rich look forward to the build man
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Teching In
Joined: Dec 2012
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Thread Starter
Teching In
Joined: Dec 2012
Posts: 32
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Also if meth is available over there id strongly consider it for IATs and octane.
Also if not denatured alcohol and distilled water will work 50/50 mix I'm sure you guys in the UK have that at hardware stores
Thread Starter
Teching In
Joined: Dec 2012
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Yeah I was planning on running with meth injection anyway so hypothetical sakes if I was to keep the 243 heads and run 10psi what sort of power would you expect to see. Just to be aware I'm running on aftermarket management anyway.
GXPJAY was getting 505 hp at 12 psi with windshield washer fluid injection. https://ls1tech.com/forums/ls4-perfo...-kit-sale.html
