'99 series 2 pulley change - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat
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Forced Induction All questions and problems regarding Superchargers, Turbos, NOS, ZEX, intercoolers, water injection, etc.

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Old 04-24-2005, 01:49 PM   #1
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Default '99 series 2 pulley change

I want to go with a 3.4 pulley. I know there are supporting mods to go with this and you have to have a special puller to remove it .

My question is: Since it is a press-on pulley,how is it reinstalled?????
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Old 04-24-2005, 02:09 PM   #2
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You will want some other mods to go along with a 3.4 pulley, because typically on a stock L67 you will see KR. An intake, colder plugs, colder t-stat, and a reprogrammed computer should do a pretty good job of getting rid of that KR, exhaust mods aren't a bad idea either, but I wouldn't recommend putting one on a stock car. We put one on the Monte stock and it gets ~7kr. I'm sure you already know this, just thought I'd tell you anyways.

The pulley tool that you have to rent/buy to get the pulley off also is used to press it on. You just reverse the procedure. It will come with instructions and should be fairly self explanitory.

1990 Maroon Grand Prix STE McLaren 3.1 Intercooled Turbo, 14.695 @ 94.49 on 12psi before cam/heads/etc.
1990 Bright Red Grand Prix McLaren 3.1 Intercooled Turbo, 14.819 @ 92.72, 189whp
1999 Grand Prix GT 9.75:1|K&N|160 tstat|No Ubend/Cat/Res|UD Pulleys|Ported M90/TB/Heads|XPZ|2.55"|Pacesetters|Stage 2 I/C. 12.442 @ 112.78
2000 Blue Bonneville SSEi Supercharged Gutted Airbox|K&N|3.4"|1.9'*|WP Pulley|Custom DHP|180*stat|41932'*|No Cat. 14.681 @ 94.80
2002 Dark Cherry Grand Prix GTP Supercharged & Intercooled
12.084 @ 114.38 w/1.743 60', 315.6whp, Fastest Stock Cam M90 GTP!
NOW XP CAMMED, 340.6whp with XP, stock heads, Gen 3 M90, 11.984 @ 115.84 w/1.750 60'!
Most HP Stock Heads Gen 3 M90 GTP!
2004 Red Monte SS Supercharged K&N|3.4 Pulley|1.9'*|180*stat|41919 plugs|3" dp|No cat/ubend|DHP|Shift Kit. 14.2 @ 98
GOT BOOST??? Friends dont let friends drive stock!
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