94Z28-MSTGKLR

iTrader: (20)

I was looking into buying a ported throttle body for my newly aquired ls6 intake but had a question about it. How big is the actual opening to the intake? I would guess that putting a throttle body on the intake with a larger opening than the intake itself would be pointless. Am I wrong or do I not quiet understand something? Also, with a factory bellows, MAF, and SLP lid, do I need to upgrade those or are they not a restriction? I was looking into getting a different lid and a ZO6 MAF. Thanks for the help guys. I tried searching but didn't come up with the exact answer I'm looking for. Thanks for the help guys.

99Bluz28

iTrader: (35)

I'd just add the ported gm tb, that's it, and a SSRS and a SLP/Powerbond UD crank pulley would be good to. Save the lid & MAFs upgrade for when you do a future FAST 92 or 102 intake.

Blk98Vert

iTrader: (2)

The ported TB opening will still be the same as it was, the main point is to remove material before the blade, lighten the blade and make sure the Tb opens all the way. The stock LS6 inlet is 75mm

94Z28-MSTGKLR

iTrader: (20)

Cool. Thanks guys and I have no intention to upgrade to anything else. I'm not paying the price for a FAST. I'd rather use that money to buy some SBC, LCA, PHB, and get my windows tinted for the same dollar figure if not less. Thanks for all the advice though. I've been looking for a while now and trying to find someone selling a factory throttle body that has been ported with a nice quality to it seems hard to find.

LeanPocket

iTrader: (6)

u can always send it to tpis and get the 90mm snout

94Z28-MSTGKLR

iTrader: (20)

What does something like that cost? Is it worth the price once coupled with a 90mm TB?

LeanPocket

iTrader: (6)

350$ and it is comparable if not better than the fast 90

https://ls1tech.com/forums/generatio...-ls6-fast.html

LeanPocket

iTrader: (6)

u just need a ftp 98 lid and a z06 maf

LeanPocket

iTrader: (6)

and matching tb

S10xGN

iTrader: (11)

Is this pricing current or from the 2003/4 posts?

Karl101

check out the Shaner throttle bodies

LeanPocket

iTrader: (6)

yes sir, i got a quote for $350

or you can buy one brand new already converted for $799
http://www.tpis.com/parts/view/39

I've seen dyno comparisons in person between the tpis vs a fast 90/90 and the numbers were dead even, but the ls6 always had more torque for some reason. so for about 650$ (used ls6 plus 90mm conversion labor) I cant get myself to buy a fast 92 or 90 for that price. Gm perfected that intake runner wise, the only advantage a fast has is the fact you can still mamofy it.. but how much is it to port a fast intake again? 350$ +/-? idk, but for my goals the 90mm ls6 is perfect for my needs.

S10xGN

iTrader: (11)

Well, thanks for that! I have an LS-6 manifold sitting here while I've been contemplating it's future...