scotty2000ss

iTrader: (2)

I'm planning on installing the fast 92 and fast 92 TB. I Currently have a stock ported TB and stock ls1 intake with cam and ARH (all mods in sig). My question is do I need to get a re tune or would it be a waste of money?

HCI2000SS

iTrader: (2)

Yes a re-tune is a good idea

projectX

iTrader: (51)

Yes retune is a must since more air will be taken in by the TB and intake, other wise your computer will read only the stock 78mm (don't quote me the size) this will optimize your hp gains.

scotty2000ss

iTrader: (2)

Ok, thanks for the advice. I'll post up some number comparison after the re tune.

projectX

iTrader: (51)

Sounds good

JakeFusion

iTrader: (7)

You'll need to retune as your idle will be a bit wonky too with the larger throttle body.

scotty2000ss

iTrader: (2)

Thanks. What's your guess on gains? Hp and mph in 1/4 mile.

HCI2000SS

iTrader: (2)

Over the LS1 intake I'm guessing around 25 hp give or take a few

thunderstruck507

iTrader: (18)

over the stock ls1 intake your butt dyno is going to be very happy, from around 3000rpm up it's going to feel like a different car (or at least mine did)

scotty2000ss

iTrader: (2)

Thank god. I'm hoping to gain a decent amount of mph in the 1/4 mile. If I can crack 11s then I may even skip doing the heads.

scotty2000ss

iTrader: (2)

Picked up the parts tonight. Man they are beautiful! FAST really does an amazing job on parts and packaging. Can't wait to see the results.

scotty2000ss

iTrader: (2)

Man you weren't kidding. Feels like a new car. Definitely spins the nt555s now lol.

Does the ses light normally come on after changing to a different tb and intake? That's my case now. Haven't had the car tuned yet...

thunderstruck507

iTrader: (18)

I had a stock converter at the time with a 230/224 cam. It wouldn't spin a tire from a dead stop but after the Fast install it would start to break loose at the top of first gear or on a 2-1 downshift. (don't put a cam in a stock converter car kids...it's stupid)

Can you get the codes checked to see what's causing the light?

scotty2000ss

iTrader: (2)

Sure, I'll get it scanned today and post them up.

scotty2000ss

iTrader: (2)

The ses light went out. Getting a re tune Friday. Most likely running too lean now. I did notice some lite grey smoke that I didn't have before...