Round 2 *UPDATE* - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Forced Induction All questions and problems regarding Superchargers, Turbos, NOS, ZEX, intercoolers, water injection, etc.

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Old 09-10-2004, 12:16 AM   #1
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Default Round 2 *UPDATE*

Have some questions.......

I am currrently just about done pulling off my supercharger for the 2nd time and want to possibly want to upgrade in the process.

One, The guy i'm getting a replacement is offering to put a smaller pulley, 2.55 i belive. But, the the guy is saying that a smaller pulley will put a strain on an engine with more miles. I know A LOT of people have done this and need to know if this is a true statment.....

The second is, should i am thinking about puting in a 180 degree thermo. while the car is down. How hard is this? What kind should I buy? Anyone got instructions on how to do this on a series 1?

Thanks A LOT!
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Old 09-10-2004, 01:11 AM   #2
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John, I'll come up and help you with the thermo. Easy as pie, with the FSM'*. Secondly, you already have a 2.55" pulley, and even if it WAS smaller, there is no extra strain on the motor.

NONE. Some on the blower, but they'll last 100k easy.
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Old 09-10-2004, 01:21 AM   #3
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whoops, i think i ment to say go down to 2.25 or 2.20. I think thats what he is offering...
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Old 09-10-2004, 01:23 AM   #4
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go for either of those pulleys, and who the hell is "he"?
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Old 09-10-2004, 01:33 AM   #5
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His name is Randy. He works out of chicago rebuilding 3800 superchargers. His "screen name' on ebay is ALuckydog13. I have been in contact with him even before we bought the supercharger online from ebay. Seems to know mostly what he'* talking about, just need to get a good supercharger from him, which is coverd under a 2 year warranty.

For more info. click the link below. It is the ebay auction i won for the supercharger:
http://cgi.ebay.com/ebaymotors/ws/eB...3AEOT%3AUS%3A3
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Old 09-10-2004, 02:21 PM   #6
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dj, is this the same guy you bought the first one from, and he'* giving you a warranty replacement with the 2.2"?
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Old 09-10-2004, 02:36 PM   #7
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mmm...wouldn't upping the boost and heat put more strain on the engine? The smaller pully itself won't hurt the engine, but the effects will push it further.
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Old 09-10-2004, 02:47 PM   #8
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Going from 8-9 psi to 10-11 psi. I don't see this as much of a problem with our engines. Good head gaskets, cast iron block and heads.
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Old 09-10-2004, 03:55 PM   #9
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Quote:
Originally Posted by willwren
dj, is this the same guy you bought the first one from, and he'* giving you a warranty replacement with the 2.2"?
It is the same guy and I belive that is correct because he is the manufactures them himself too......

I'll look into that later though to be for sure....

So should i go for it guys?
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Old 09-10-2004, 05:21 PM   #10
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Absolutely. The pulley will really wake your car up. Assuming you get a good supercharger this time, and your BCS and BCA are in good condition with no vacuum leaks, you should get 9-10psi of boost with your intake setup (stock + K&N). Maybe as high as 11psi with a custom intake.
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