Will a ZZP water pump underdrive pulley work for series 1??? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 09-08-2004, 03:16 PM   #11
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Fantastic, Jake, we can compare the 92/93 to the 94/95 that way to make sure all S1 is the same, then compare to an L36 and S2 L67?
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Old 09-08-2004, 03:52 PM   #12
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Sounds good to me Will.
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Old 09-08-2004, 06:23 PM   #13
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I just measured the waterpump from the timing cover torwards the mount and it'* 8.25 cm. i have about a half a cm of clearance to my mount and i had to slide my mount away from the timing cover ALOT to get that pump in there. that was scary It fits but only my a half a cm on the L36. I can't take anymore measurements any time soon b/c it'* raining.
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Old 09-08-2004, 06:26 PM   #14
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I don't have any pics, but I looked into this for my 92 a while back. I determined the underdrive pulley wouldn't fit.
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Old 09-08-2004, 06:26 PM   #15
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Zoomer is sure that the electric water pump will work on the series 1. and a guy I was dealing with from thrasher said he has used it on a series 1. As far as the water pump pulley, Zoomer was sure that it WOULD NOT fit. Electric water pump is pretty sure my next mod.
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Old 09-08-2004, 06:56 PM   #16
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Yeah, we figured out that the pump fit a series I.

Oh, I have a pic of the clearence on my 92 L67.

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Old 09-08-2004, 07:02 PM   #17
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I had to grind down a small portion of my motor mount to get my UD waterpump pulley to fit...so we'll know why my mount breaks down the road.

Will it fit a Series I? First off we need to find out if the stock pulley for Series I and II were the same, then its probably a matter of grinding down the motor mount area closest to "point of impact", but I highly DON'T recommend this! I believe I am the first Bonneville owner to install the ZZP UD Waterpump pulley and I did it as an experiment to find out if the rest of us can get them to fit. It "fits", but not like I would want it too. Our engines move a lot more under sudden acceleration than compared to a GTP with its 2 dogbones up front.

As of right now I'm still testing the pulley to see if its causing any damage.
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Old 09-08-2004, 09:42 PM   #18
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is there a way for us to add the dog bones? to a series 1
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Old 09-08-2004, 10:35 PM   #19
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Quote:
Originally Posted by jwikoff99
Yeah, we figured out that it'll fit a series I.

Oh, I have a pic of the clearence on my 92 L67.

Wow, that mount looks like it will have no clearance issues. My mount goes across and in front of the waterpump and that was the only place it came close to touching the mount. seeing as how the mount only goes over the one small part of the pump, i can't see any clearance issues with the mount. But is that outer belt 8.25xx cm away from the timing cover?
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Old 09-16-2004, 05:32 PM   #20
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Emailed Zoomer last night about the size of the underdrive pulley and he said that it is 5.5" diameter and the stock pulley is 5" diameter...... so its possible that it could fit i think..... if nothin else theres always the lightened water pump pulley too
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