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stock 243 heads of gto?

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Old 04-18-2010, 01:27 PM
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Question stock 243 heads of gto?

what are stock springs rated to? i think they are the yellow ones.

i have a 227 612 cam. will they hold? not sure what they are rated to. been searching but cant seem to find hard info.
Old 04-18-2010, 02:31 PM
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Man theres no way those factory springs will work with +.600 lift.I think the yellow ones are the best ones(ls6)but pretty sure they are rated .570.Gonna need an aftermarket spring for that cam.
Old 04-18-2010, 03:03 PM
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Yellows are rated to .550 or so, you'll need aftermarket for that lift.
Old 04-18-2010, 03:05 PM
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ok, wasnt sure. i was trying to find cam specs on that gto and couldnt narrow it down. i figured i would need springs, wasnt 100% sure tho.
Old 04-18-2010, 10:50 PM
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Originally Posted by Noyzee
ok, wasnt sure. i was trying to find cam specs on that gto and couldnt narrow it down. i figured i would need springs, wasnt 100% sure tho.
But sir, you're an LS1tech site supporter. An LS guru supposedly.

WTF?
Old 04-19-2010, 07:11 AM
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Originally Posted by LLC
But sir, you're an LS1tech site supporter. An LS guru supposedly.

WTF?
yea, and i know nothing about the gto. have never touched one and didnt know what they used for parts over my z06. wasnt sure if they had fancy stuff or what.
i figured they did not but wanted to double check and didnt have a lot of time to do all the searching so what better place to ask then ls1tech? huh smart guy?
Old 04-19-2010, 10:14 AM
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i cant remember .550-.580, but i do know for that cam (.612) definitely go with some aftermarket springs.

on a side note LLC, if the man has cars in the 8s & 9s, i doubt hes dealing with ls6 springs too often
Old 04-19-2010, 10:57 AM
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Originally Posted by WSsick
i cant remember .550-.580, but i do know for that cam (.612) definitely go with some aftermarket springs.

on a side note LLC, if the man has cars in the 8s & 9s, i doubt hes dealing with ls6 springs too often
thanks and thanks.
i got a set of trickflow duals for it. laying around.
yea, the springs i run could probably be used for suspention springs in llc's car
Old 04-19-2010, 04:40 PM
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Originally Posted by Noyzee
thanks and thanks.
i got a set of trickflow duals for it. laying around.
yea, the springs i run could probably be used for suspention springs in llc's car


post a vid of the beast!
Old 04-19-2010, 06:02 PM
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dont have many vids. have a few pics

it runs 9.3 ish on motor and 8.7 on a 200 shot. took the lsx out for now to freshen it, right now im tossing a junk yard build together on a budget. have a few stock cube scores to settle here localy and while im at it im hoping to see how i do with the stock internal nitrous guys.

im about $1,500 into the motor so far and that includes buying it. lol i need a drive shaft and thats about it.









this is the only vid i can find. not great. think it was with a 100 shot. went 9.1 or 9.0










street beater. makes about 500 to the tires




Old 04-19-2010, 06:31 PM
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Originally Posted by Noyzee
ok, wasnt sure. i was trying to find cam specs on that gto and couldnt narrow it down. i figured i would need springs, wasnt 100% sure tho.
LS2 motors used the same heads and cam from the '01 LS6...
204/211, .525/.525, 116
Old 04-19-2010, 10:16 PM
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Originally Posted by Noyzee
yea, and i know nothing about the gto. have never touched one and didnt know what they used for parts over my z06. wasnt sure if they had fancy stuff or what.
i figured they did not but wanted to double check and didnt have a lot of time to do all the searching so what better place to ask then ls1tech? huh smart guy?
Joking around with you man.
Old 04-19-2010, 11:36 PM
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Originally Posted by LLC
Joking around with you man.
no prob,



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