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L76 Intake on a LS1???

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Old Oct 13, 2012 | 10:11 AM
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Default L76 Intake on a LS1???

Well the question explains its self, and no I'm not getting new heads. I just wanted to get better air flow and gain some HP. If does fit what adjustments would I have to make!?
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Old Oct 13, 2012 | 10:21 AM
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Isn't the L76 a rectangle port intake. meaning it wont fit cathedral heads

Last edited by 96capricemgr; Oct 13, 2012 at 11:08 AM.
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Old Oct 13, 2012 | 11:35 AM
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Originally Posted by 96capricemgr
Isn't the L76 a rectangle port intake. meaning it wont fit cathedral heads
Yep...
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Old Oct 13, 2012 | 11:39 AM
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If you aren't getting a 4" bore with rectangular heads on top of it, you aren't running that intake.

Ls6 or FAST are your two main options.
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Old Oct 13, 2012 | 11:40 AM
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A rectangular port intake is not going to work on cathedral heads
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Old Oct 13, 2012 | 03:46 PM
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Like everyone else mentioned this intake will not work on your stock LS1 heads.
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Old Oct 14, 2012 | 03:43 PM
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Thanks Guys, Now after doing a little diggin I've narrowed it down. Ws6store sells both F.A.S.T. 92mm & 102mm all together with a fuel rails and throttle body its $1699. However they also sell the BBK intake w/ 85mm throttle body & fule rails for $980

Which one is better?
Is the F.A.S.T. set up worth the price?
Where can I find both these brands used? didn't have any luck on ebaymotors or google.
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Old Oct 14, 2012 | 03:58 PM
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If I remember correctly the BBK's horsepower/torque increase was only a tad better than going over to the ls6 manifold (given you dont have one).
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Old Oct 14, 2012 | 04:20 PM
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You have so many mods you should address before dropping that kind of coin on an intake.

Ls6/ported TB will take you a long way. (roughly 375$ and milar gains as the BBK setup)

You can find any of those intakes on a regular basis in the classifieds.
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