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

Pulley size change question

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Old 05-22-2009, 09:37 AM
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Pulley size change question

If I went from the stock 3.3" pulley to a 3 inch pulley, would I have to change the belt or retune and what differences would I see?
Old 05-22-2009, 09:50 AM
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Belt might need to be changed... You may or may not have slip.

You will be hurting things if you just switched pulleys. You need to buy larger injectors as well... and with larger injectors you HAVE to get a tune...

Do it safe.
Old 05-22-2009, 09:53 AM
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smaller pulley=more air
more air=more fuel
more fuel=larger injectors
larger injectors=Tune
Old 05-22-2009, 09:54 AM
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^^ Yeap.
Old 05-22-2009, 09:56 AM
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THANKS GUYS!!!! ") I didn't realize that even just a little change in the pulley size had a bigger effect on performance than I thought!
Old 05-22-2009, 09:57 AM
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Yea.. they are really pushing the stock injectors to the limit...
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