2,3" pulley at -92 SSEi, does it require bigger injectors? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-17-2009, 08:42 PM   #1
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Default 2,3" pulley at -92 SSEi, does it require bigger injectors?

As topic, I made a 2,3" pulley to my stock -92 SSEi today, I wonder if it requires bigger injectors or if it would be any other problems?

The car is not in shape for a testrun at the moment so iīm not able to test it now.

Iīve searched, but I didnīt found any answer so I would appreciate some help. Some tips for more easier tuninghad also been nice!

Itī* a 3800 gen 1, with a 2,5" pulley stock.


Iīm from Sweden so my english isnīt too good, so I apologize if there is something difficult to understand!

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Old 11-17-2009, 08:46 PM   #2
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Welcome to the club.

No need to change your injectors. They should be enough to deal with the higher boost. You will however need to watch for knock, preignition. As for tuning, these are the only guys I know of that tune your year, I hear they do a great job. Sinister Performance, LLC.
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Old 11-17-2009, 10:29 PM   #3
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Quote:
Originally Posted by Danthurs View Post
Welcome to the club.

No need to change your injectors. They should be enough to deal with the higher boost. You will however need to watch for knock, preignition. As for tuning, these are the only guys I know of that tune your year, I hear they do a great job. Sinister Performance, LLC.
Thanks!

Can you give an estimated power increase with only the pulley?
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Old 11-17-2009, 10:34 PM   #4
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I couldn't even give you a good guess, I'm not familiar with the series1
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Old 11-18-2009, 08:24 AM   #5
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Like Dan, I have more experience with the Series 2 motor, however my Series 1 experience tells me that you may or may not find an increase.

You may begin spinning the charger fast enough that it'* pumping more damaging heat than good air into the motor. The heat causes preignition.
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