Buceman

I resently bought and installed a LS6 intake for my car and was looking to buy a ported and polished throttle body for it. What is the millimeter on a LS6 intake(78,80,90). I've looked in the stickies but didn't see anything(unless I missed it). Do you have any oppinions on want I should get(Nick Williams, Shaner etc..)
Thanks in advance
Buce

SSCam99

I'm fairly certain I read somewhere that the LS6 intake manifold is able to run an 80mm throttle body. I have an MTI polished billet throttle-body and I'm happy with it. Good luck!

Starz T/A 17

iTrader: (6)

it should be the same as the ls1 manifolds

zspot98

iTrader: (87)

Isn't it 75.5mm?

WS6 Rampage

iTrader: (3)

I think it is.

TheBlurLS1

iTrader: (8)

Most just say 75mm.

Same as the LS1 manifolds. I would port my own if I was you. Thunder and New Era also do them.

BayAreaSS

iTrader: (10)

I agree.

staringback05

iTrader: (8)

hmm i was pretty sure it was 78mm...what year car do you have?....if its a 00-02 ive got a ported and polished tb sittin around somewhere...i port them all the time

Buceman

Thank you for the replies. I've got an 00.

TheBlurLS1

iTrader: (8)

I believe you are correct. Since you can use the stock throttle body on a 78mm FAST, it only makes since.

The stock MAF is a 75mm unit.

staringback05

iTrader: (8)

with the 00 unit im pretty sure the cruise control/throttle unit cable will fit the 01-02 tb....i know the flange on the 98-99 tb is smaller.....any body got ideas on the 00?...if it does fit the 01-02...ive got a ported tb sittin here like i said....i can post pics later

Buceman

So the final thought is 75mm.? But an 80mm will fit?

bene

iTrader: (16)

I thought the trucks are 78 mm and our cars have 75 mm.