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Question about gm stg 2 and 2.8" pulley

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Old Jun 23, 2006 | 08:00 PM
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shiftingloco310's Avatar
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From: nj
Question about gm stg 2 and 2.8" pulley

Ok i have gm stg 2 and i just ordered a 2.8" pulley. My question is am i desperatly going to need a maf-t or some sort of tuning device?
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Old Jun 23, 2006 | 08:08 PM
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From: eh
Originally Posted by shiftingloco310
Ok i have gm stg 2 and i just ordered a 2.8" pulley. My question is am i desperatly going to need a maf-t or some sort of tuning device?
Nope .
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Old Jun 23, 2006 | 08:12 PM
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From: WI
Good luck getting the blue bolts off.
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Old Jun 24, 2006 | 02:55 AM
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From: nj
Originally Posted by Matty
Nope .
I see you have a air/fuel guage...just wondering what numbers you seing with your gm stg 2 and 2.8" pulley?
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Old Jun 24, 2006 | 06:54 AM
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At WOT, 3000-5500 it is between 12.8 and 12.2. Near redline it is high 11's @ 17.5 PSI.
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Old Jun 24, 2006 | 07:31 AM
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From: newark, DE
Originally Posted by mjbroeker
Good luck getting the blue bolts off.
dude i dont knwo who installed your pulley but my bolts came off pretty easily
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Old Jun 24, 2006 | 07:42 AM
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From: burlington,nj/bethlehem pa
yea my bolts came off with alittle elbow grease
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Old Jun 24, 2006 | 11:32 AM
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From: nj
Originally Posted by Matty
At WOT, 3000-5500 it is between 12.8 and 12.2. Near redline it is high 11's @ 17.5 PSI.

man thats good to hear, i could have sworn i read that someone was getting bettwen 16 and then back down to 13
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Old Jun 24, 2006 | 11:38 AM
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I'm hitting 16 and holding at 15.. I now believe that Stage 2 was MEANT for a 2.8" pulley. The car pulls so much harder now. What a difference. I have to readjust my spark plug gap now tho because the car hesitates sometimes... The bolts were easy but have patience it takes time.. just make sure you keep that socket straight.. you don't want to strip those weird bolts
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Old Jun 24, 2006 | 11:47 AM
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From: Pennsylvania, Greensburg
Slippage

I was wondering if you have any belt slippage since you put a smaller pulley on and its spinning faster too.
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Old Jun 24, 2006 | 11:49 AM
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From: Buffalo, NY
Originally Posted by Smarty Art
I was wondering if you have any belt slippage since you put a smaller pulley on and its spinning faster too.

No belt slipping if you have the belt that comes with Stage 2
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Old Jun 24, 2006 | 03:20 PM
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From: nj
Originally Posted by CobaltSS422
I'm hitting 16 and holding at 15.. I now believe that Stage 2 was MEANT for a 2.8" pulley. The car pulls so much harder now. What a difference. I have to readjust my spark plug gap now tho because the car hesitates sometimes... The bolts were easy but have patience it takes time.. just make sure you keep that socket straight.. you don't want to strip those weird bolts
Yeah thats what me and another memeber on this forum were talking bout...that stg 2 was meant for a 2.8" pulley...thanks for the info man.
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Old Jun 24, 2006 | 05:57 PM
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From: eh
Originally Posted by shiftingloco310
man thats good to hear, i could have sworn i read that someone was getting bettwen 16 and then back down to 13
That was me who said that and it still does it from time to time at certain throttle points.
It leans out at 3/4 throttle, although lately it hasn't done it as bad...or I am getting used to it and change my driving style accordingly. Either way it is liveable, or I may get an HPTune done.

WOT the car goes really well.
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Old Jun 24, 2006 | 06:58 PM
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From: Canton Ohio
AHHHHHH I hate making these hard decisions...

I'm storing my car for the winter.. (Decemberish)... I'm debating between getting stage 2 w/ the 2.8 soon or freaking waiting until next spring where I'll have enough to potentially do the twincharge i've wanted to do.

A friend took me for a ride in his srt-4 where he maxed out his stock turbo. He was pushin 20 lbs of boost. Will stage 2 and a 2.8 give me the freaking amazing feeling I got when riding in that car? What do you guys suggest?
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