1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

reroute the belt

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Old 06-15-2006, 03:37 PM
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I have my 93 SE and i was wondering since my a/c doesn't work anymore and i'm don't relly use an a/c on any car i drive. would it be possible to reroute around the a/c compressor to free up some horsepower using the stock belt?
Old 06-15-2006, 03:40 PM
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Nick, I think Blazin did an AC delete so I think its possible on the Series 1. He was an l67 though.
Old 06-15-2006, 06:12 PM
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I just did this a few weeks ago...I'll get you a pic in a minute!
Old 06-15-2006, 06:14 PM
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Old 06-15-2006, 06:22 PM
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http://www.autozone.com/servlet/UiBr...%7ENONE%7C%7EB

Heres you part number!
Old 06-15-2006, 09:37 PM
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is this the same size as the stock belt? and anyone know how much of a HP gain i should expect?
Old 06-15-2006, 09:43 PM
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Originally Posted by Mortehl
Nick, I think Blazin did an AC delete so I think its possible on the Series 1. He was an l67 though.
Yeah I have My A/C bypassed. For a Series 1 L67 you need a smaller tentioner pulley and a smaller belt. For a Series 1 L27 you just need a smaller belt.

As far as HP you really are not going to see a difference. In theory you do have less rotating mass but as long as your A/C clutch is not ingauged it really isn't much. I did it to lose some weight and make it easier to work on under the hood.

BTW... Mortehl car is totalled? When did this happen?
Old 06-17-2006, 02:31 AM
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again, relevence is debatable, since my bonnie motor isn't in a bonnie, but i used a 72 inch belt and was forced only to re-route two vacume lines that run through the belt system. i just pulled them out and ran them overhead, following the wiring harness...

while i don't think there was any great power gain. the motor did feel more free when revving up and the real gains come from the 40 somthing pounds you remove from the front end by pulling all that useless crap off of there...
Old 06-19-2006, 05:00 AM
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I'm in the process right now of doing the same mod, and I tried a 73 inch belt which was too loose, the belt deflected about 1/2 inch and i noticed slight power loss, I returned the belt and am going with a 72 inch.


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