Think this pulley will give a 35+ hp increase? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 09-03-2004, 01:06 AM   #1
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Default Think this pulley will give a 35+ hp increase?

http://cgi.ebay.com/ebaymotors/ws/eB...spagename=WDVW

My friend wants to put it on his 1999 pobntiac grand prix gtp
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Old 09-03-2004, 01:10 AM   #2
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He also wants this chip for his car!!!!
http://cgi.ebay.com/ebaymotors/ws/eB...spagename=WDVW
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Old 09-03-2004, 01:13 AM   #3
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3.0 is to soon. 3.4, first, intake, exhaust, u-bend delete, do stage one mods first, then move onto stage two mods.

And get the DHP or INTENSE chip. ONCE the car is ready for it
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Old 09-03-2004, 01:28 AM   #4
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He has a bit of money he wants to drop on this car to have a intense car that will preform awsome and make your stomach drop more and more as we add the upgrands its gona be fun!!!
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Old 09-03-2004, 01:31 AM   #5
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Thats all well and good, but he has to follow a modifiers order of operations. The 3.0 will not help as well as it should.... once the proper modifications elsewhere are completed...then it will be
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Old 09-03-2004, 01:47 AM   #6
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If he puts that 3.0 on his car without a cam or rockers to back it up, intake, exhaust and PCM, he'll get so much KR it will be self-defeating.

Tell your friend to join www.clubgp.com or here if he wants to build a fast car. Simply shopping on Ebay and having you ask questions is going to get him nowhere, and probably into alot of trouble.

VERY few GP'* and Bonnevilles are capable of running a 3.0 pulley.
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Old 09-03-2004, 01:51 AM   #7
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Yea he said hes gona go with a 3.25
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Old 09-03-2004, 01:56 AM   #8
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Too small without alot of other work.

Killer. Trust us here. We have some very fast 3800'*. 3.4 is probably the smallest he should go right now, and that shouldn't be done without a full CAI first.

Tell your friend to join here or CGP and have HIM ask the questions. And BEFORE he spends any money.
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Old 09-03-2004, 02:02 AM   #9
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For real, I mean, its a lot of wasted money and he will be very discouraged with the lack of performance that a GP can bring.

If he has the money then he can afford to be smart
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Old 09-03-2004, 09:55 AM   #10
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In order to run the 3.25 the following mods will probably be needed. If he has the money to do it all at once, so be it.

proper pulley puller
2 stage colder plugs
180 t-stat
ubend remove (possible resonator)
CAI
1.9 rockers
headers
PCM

and even after that the car should be scanned for KR.

The other route is to get an intercooler and then he could possibly run a 3.0 with just the exhaust mods and a t-stat and colder plugs.
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