Series 1 smaller pulley - who got what and how much boost? - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 12-06-2002, 10:54 PM   #21
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Hey, I told Tom at SCperformance about your episode already. Couldn't remember who it was. They had an idiot dealing with shipping at the time. Please call the number listed in this thread and ask for Tom. He wants to make good on this for you. Glad you jumped in here. He really wants to support the Bonneville community, and you're his starting point. Get that belt. You won't void your warranty if they don't know you had it on. Just switch it back if you need to.
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Old 12-08-2002, 10:38 PM   #22
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ey thanks for sticking up for me here will. It was me who didnt get the belt. I tried calling myself so many times and always got the machine. I will have to call sometime tomorrow to get the belt. Then i can get that pulley on. Hopefulling it will fit, I never tried to fit it. Also, would u suggest a bigger tranny cooler? How hard is it to install?
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Old 12-08-2002, 10:43 PM   #23
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Glad I could help. Just glad I remembered to mention you. I left my stock cooler in place, and added another the same size in front of it with a 1" gap between them. You could replace the stock cooler, but it'* more difficult. An aftermarket cooler should run you less than $50, and take about an hour to install. Just follow the instructions in the kit. It'* very easy. The line you want to tap into is the TOP line on the radiator, passenger side. Knowing that makes the installation easier and cleaner. By springtime, you REALLY should have this going, but that'* just my opinion. When you start stacking these mods on top of each other like we have, the extra insurance goes a long way.
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Old 01-01-2003, 11:04 PM   #24
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If you have a 92 or 93, the 2.25 from SCperformance is still the only option. If you have a 94 or 95 (larger stock pulley) then pulleyboys can set you up unless you wanna go all the way down to 2.25 with scperformance. Pulleyboys also sells a 2.00" pulley, but that sounds a little scary to me, even though my stock pulley is already at 2.55". Going to the 2.25" pulley for the 92-95 gains 2 pounds of boost. It was specifically designed to do this. Rough translation is 20hp gained.

=================

The 92-93 already have a 2.75" pulley, right? And the 94-95 have a 3" pulley? I think that would mean that it'd be maybe 3-4psi extra on the 94-95 SSEis. Sounds ... *perfect*.

===================

There are actually some differences between the 92/93 and 94/95 M62'*, so if anyone wants to know the details, just ask, and I'll post it. Otherwise, I won't bore you! I'll be ordering my 2.25" from SCperformance on Monday.
====================

Has this worked out? Have you received it? I fell off the face of the earth for a while, I've been missing out...

Dan
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Old 01-01-2003, 11:15 PM   #25
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ya scperformance screwed me big time for about 4 months. I ordered it online and didnt hear a word from them for a month. Then I emailed them and called and no answer either way. I filed a dispute claim with paypal (how I paid for the pulley) but it had already been over a month and they couldnt do anything. (????) Anyway they finally got in contact with me and told me it was made to order and they had to machine one up. So I finally get it 4 months later after tons of emails and messages left of their answering machine. To top it all off they sent me the wrong belt!! I was pissed!! They said they would send me another one but never did. I still have yet to call them up since they are under new management. Ask willwren what he thinks about the new management. He talked with them for about an hour. I hope things work out better for you.
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Old 01-23-2003, 04:19 AM   #26
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Ok....here we go again. I can't seem to get through to them to ask where the hell my pulley and belt are. Pontiac1983, I left them another message, and mentioned you and I and our problems. They should have the fear of the God of Bonnevilles in them again, and I'd expect a call back. If they don't call me back by 12 noon PST, I'll be calling THEM back and telling them how pissed off we are that they don't support their domestic customers and have switched to a rice lineup.

AT THIS POINT, AND UNTIL FURTHER NOTICE, I STRONGLY SUGGEST TO ANY SC OWNER THAT PULLEY BOYS WOULD BE THE BEST OPTION FOR SUPERCHARGER PULLEYS FOR THE M62.

For the 96 and up M90 guys, go with any of the GP stores or Pulley Boys. I'll get to the bottom of this, regardless of the fact that I have 100 bucks tied up in it now.

Depending on how they react to my demands, we'll make a group decision on whether or not to blacklist them. I'll start a poll or something. We do have clout and leverage as a group. If SCPerformance doesn't want to support our community like ADTR, DP, Intense, and all the GP stores, we'll go to those that do.

Stay tuned..........maybe I can swing a discount for all our members if they want to retain our business
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Old 01-23-2003, 10:01 AM   #27
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Hey Will thanksj for backing me so much on this. I did go out and buy a couple smaller belts for my car but not sure if they will fit or not. I just guessed. Anyway, once I get everything ready to go, do you know how to remove the pulley? I know i need a puller but how do i get that bolt off the side of the pulley? I tried and tried and I dont know if im supposed to unbolt it or what. Do you have any suggestions? I have never worked with pulleys before. Thanks in advance.
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Old 01-24-2003, 10:50 PM   #28
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Default m62 pulley

I got a 92 bonne. I called around, and asked friends, the general consenses was that any smaller of a pulley for that sc is probably not good. the reason for this is that the pulley on it is already small, as you can see. if you go smaller then the */c overheats and you actually loose power.
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Old 01-25-2003, 12:55 AM   #29
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Default Re: m62 pulley

Quote:
Originally Posted by buickman401
I got a 92 bonne. I called around, and asked friends, the general consenses was that any smaller of a pulley for that sc is probably not good. the reason for this is that the pulley on it is already small, as you can see. if you go smaller then the */c overheats and you actually loose power.
True, a small puley will allow the */c to make more heat. I won't argue that. BUT...it won't make any more heat than it does now until it reaches the higher RPM range. The smaller pulley will also give you alot better low and mid end torque and HP. The simple fact is that at lower RPM'* the engine will have more power to use.

The disadvantage to the smaller pulley is also KR. If you pump too much boost into it without properly modding the engine for KR (knock retatrd) the engine will pre-detonate and that will rob power and put undo wear on the engine.

It all depends on how much power you want and how much you are willing to prep your engine for it. If you don't prep your engine you won't get much out of it, or might even hurt it.
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Old 01-25-2003, 09:23 PM   #30
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The computer should automatically retard the timing anyways.
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