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-   -   Lsx 102 intake, which tb? (https://www.corvetteforum.com/forums/c5-forced-induction-nitrous/4225631-lsx-102-intake-which-tb.html)

Z06TT2006 12-27-2018 10:30 AM

Lsx 102 intake, which tb?
 
hi i just purchased a slightly used lsx 102mm n wanted to know is it worth upgrading to a 102 tb or can i just buy the adapter to fit my ls6 tb? Will i be loosing alot of hp? I have a a&a v3 Thanks

silver408z 12-27-2018 11:29 AM

Generally people do not like the fast intakes for boost due to their multiple piece design and developing boost leaks. Also people have made 1000 whp on factory intakes include ls6's and stock TBs. If you are going to use it, I would at least get a 90mm GM factory TB. The GM 90mm TBs will not require an adapter. Nick Williams is one more popular name brands but make sure you get one of TB for boosted cars.

Z06TT2006 12-27-2018 12:09 PM

Thanks! At first i thought it was over kill for a fast 102 but got it for a gd price, found a gm 90 mm tb, now im not sure if i should just stay with my ls6 intake n tb, since im only making around 600 whp.


Originally Posted by silver408z (Post 1598570991)
Generally people do not like the fast intakes for boost due to their multiple piece design and developing boost leaks. Also people have made 1000 whp on factory intakes include ls6's and stock TBs. If you are going to use it, I would at least get a 90mm GM factory TB. The GM 90mm TBs will not require an adapter. Nick Williams is one more popular name brands but make sure you get one of TB for boosted cars.


ss4luck 12-27-2018 09:45 PM


Originally Posted by Z06TT2006 (Post 1598571294)
Thanks! At first i thought it was over kill for a fast 102 but got it for a gd price, found a gm 90 mm tb, now im not sure if i should just stay with my ls6 intake n tb, since im only making around 600 whp.




make sure it’s a silver blade TB and not a gold blade...

silver408z 12-27-2018 10:59 PM


Originally Posted by Z06TT2006 (Post 1598571294)
Thanks! At first i thought it was over kill for a fast 102 but got it for a gd price, found a gm 90 mm tb, now im not sure if i should just stay with my ls6 intake n tb, since im only making around 600 whp.



Your ls6 setup is not going to be a limiting factor from what I have read.

Black8Banger 01-03-2019 02:37 AM

Agree with silver408z, I would not switch. I have made over 1200whp on the ls6 intake/tb. You are better off spending that money in other places.

neutron82 01-03-2019 01:54 PM

I agree with the above, keep the ls6 and sell the fast

thatguy662 01-22-2019 11:43 PM

The fast102 doesnt fit worth a crap. Hits cowl in rear and you will need hinson 3/8” lower motor mounts. I still have yet to put mine on because of that. I have the mounts it just isn’t on


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