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

Stage II Pulley Size

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Old Feb 18, 2008 | 10:23 PM
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Nyke's Avatar
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Stage II Pulley Size

What is the Stage 2 pulley size?

What is the Stage 3 pulley size?


I have Stage 2 on my car but I can definitly tell its runnig rush so I want to compensate with more boost but not much more.


What pulley size do you think I should go?

No other mods yet just Stage 2
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Old Feb 18, 2008 | 10:24 PM
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stage 2 is a 3 inch
dont know about stage 3
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Old Feb 18, 2008 | 10:37 PM
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Stage 3 pulley is advertised at 76mm. If measured at the belt groove peaks, the measurment I got, with vernier calipers is 2.919 in.
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Old Feb 18, 2008 | 10:59 PM
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Awesome so a 2.9 inch pulley here i come! Thanks guys
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Old Feb 18, 2008 | 11:00 PM
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stage 2 is a 3.09 i believe
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Old Feb 19, 2008 | 08:03 AM
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Originally Posted by Nyke
What is the Stage 2 pulley size?

What is the Stage 3 pulley size?


I have Stage 2 on my car but I can definitly tell its runnig rush so I want to compensate with more boost but not much more.


What pulley size do you think I should go?

No other mods yet just Stage 2

It doesnt matter what pulley you put on the car, the ECU will still command a rich A/F ratio, what you do when you put a smaller pulley on is just stress the injectors out more. You are fine unless you go below a 2.9" The stage 2 tune commands a /f ratio in the 10's no matter what.
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Old Feb 19, 2008 | 10:25 AM
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stg2 3.06

stg3 2.99
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Old Feb 19, 2008 | 10:44 AM
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Originally Posted by lsjwannabe
stg2 3.06

stg3 2.99
winner
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Old Feb 19, 2008 | 12:26 PM
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wow...not much of a difference...then changing from my 2.85 to 2.79...would i see good results? ive heard that its not really beneficially past 2.8 because of the excess heat....
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Old Feb 19, 2008 | 12:37 PM
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Originally Posted by lsjwannabe
stg2 3.06

stg3 2.99
Did you convert 77.9mm and 76mm to inches to get these measurements or did you actually measure them?
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Old Feb 19, 2008 | 12:40 PM
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Originally Posted by CBodnar
40mph-140mph you will be able to see a difference from the 2.85 to a 2.80. my friend and i already did all this and tested it out lol. stage2 tune + 2.90 + 2.85 + 2.80 + 3.06(stage2 pulley) yeah there is a difference between them. you can't feel it but when racing it does make a difference.
good to know...thanks!
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Old Feb 19, 2008 | 12:46 PM
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Originally Posted by NJBLUESS
Did you convert 77.9mm and 76mm to inches to get these measurements or did you actually measure them?
they were measured
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