2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

Everyone with a pulley....

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Old 05-30-2006, 12:42 PM
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Everyone with a pulley....

What kind of boost is everyone getting with their aftermarket pulleys? I have the 2.9" that came with my stage 3 and I'm getting around 16psi.
Old 05-30-2006, 12:44 PM
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GM stg2 Im hitting 115kpa/16.7psi with no intake or mods.

Edit: forgot the size lol 3.066 or some **** I forget the precise number.
Old 05-30-2006, 12:47 PM
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2.9" BF pulley.....with CAI and exhaust, and I get 17psi
Old 05-30-2006, 02:40 PM
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Stage 5, 20psi
Old 05-30-2006, 02:43 PM
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I have a 3 inch....I'm getting about 16 as well. I have an intake and exhaust too
Old 05-30-2006, 02:43 PM
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GM stage 2 / 15.5psi
Yes, 15 point 5 not just 15.
Just kidding, it's 16psi!
Old 05-30-2006, 03:15 PM
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Why am I reading 115kpa? I dont even have am intake or anything. Am I restricting myself? Is it just my gauge not reading right? How can I be running as much boost as a 2.8 with CAI?
Old 05-30-2006, 03:16 PM
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2.5"...17.4 psi...but i think hptuners may be reading a lil wrong.

Dan
Old 05-30-2006, 03:19 PM
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Originally Posted by BLKSS
Why am I reading 115kpa? I dont even have am intake or anything. Am I restricting myself? Is it just my gauge not reading right? How can I be running as much boost as a 2.8 with CAI?
It could be a clogged CAT!

Originally Posted by djt81185
2.5"...17.4 psi...but i think hptuners may be reading a lil wrong.

Dan
Yeah a 2.5 should be well near 19psi if not 20.
Old 05-30-2006, 03:23 PM
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Originally Posted by BLKSS
Why am I reading 115kpa? I dont even have am intake or anything. Am I restricting myself? Is it just my gauge not reading right? How can I be running as much boost as a 2.8 with CAI?
yah that was one of my firs signs too.
that an listen for a whistle as you start to boost, different from the CAI
Old 05-30-2006, 03:25 PM
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Originally Posted by CTCOBALTSSS
It could be a clogged CAT!



Yeah a 2.5 should be well near 19psi if not 20.
I'm not too concerned...its not slipping...well the belt that is...the clutch is another story...but it runs like a bat outta hell...
Old 05-30-2006, 03:28 PM
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I have Gm stage 2 and was swapping out my pulley to a 2.85" but the bolts have a wierd fan shaped patter on them and was wondering if ne one knew where i could get the part to take the bolts off
Old 05-30-2006, 03:29 PM
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3" getting about 15-16 ... it just keeps climbing and I gotta shift so I dunno the final result
Old 05-30-2006, 03:31 PM
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Originally Posted by player_1
yah that was one of my firs signs too.
that an listen for a whistle as you start to boost, different from the CAI
The car runs very strong. Actually I seem to be having a harder time hitting 115 recently (takes longer to get up there). How can I test my Cat? I looked at it and I dont see any swelling. My car whisltes as soon as i stomp it but thats just the whine.
Old 05-30-2006, 03:33 PM
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Originally Posted by BLKSS
The car runs very strong. Actually I seem to be having a harder time hitting 115 recently (takes longer to get up there). How can I test my Cat? I looked at it and I dont see any swelling. My car whisltes as soon as i stomp it but thats just the whine.
you get higher boost because you have a more restrictive air flow..
open up your intake/exhaust and your boost will decrease.. but your power will increase
Old 05-30-2006, 03:35 PM
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Originally Posted by Acidangel_5.0
you get higher boost because you have a more restrictive air flow..
open up your intake/exhaust and your boost will decrease.. but your power will increase
Yeah thats what it is. Thanks for the info.
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