C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

removing A/C

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Old 10-12-2007, 05:08 PM
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kowalski340
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Default removing A/C

I am removing the A/C on my 1989 L98 and I need to know how everyone else has gone about doing the same thing. can I just go to a smaller belt and reroute it? thanks
Old 10-12-2007, 09:48 PM
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kowalski340
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I used the search fuction and still nothing any input would be appreciated......thanks
Old 10-12-2007, 10:06 PM
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emo-vet
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hi kowalski340,
i have L98 91 model vette that i removed the a/c on.
makes it more easy to work on ,looks cleaner e.c.t.

ok i have delted the air pump,but still left top pulley for delete pump kit,fitted under drive 2 piece pulley kit,fitted csr electric water pump,

added a 6 rib gm 88 model Berreta idler pulley ,ran serp belt around the pulley instead,cut back a/c bracket for room for e/water pump installtion,the a/c bracket now has two bolts that bolt it to the head now,but works well though,then measured up and brought a good year gator back serp belt which gives a smoother/quiter better grip than the standrd 6 ribbed belts does and bam you are done.

i hope that helps some
cheers
shae
Old 10-13-2007, 12:19 AM
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kowalski340
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It helps but I have to leave the smog pump intact because I live in California I will also be keeping my standard water pump
Old 10-13-2007, 08:25 AM
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Happydad
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If you need all the emission stuff.You can get an A/C delete pulley...This keeps every thing basicly the same just no A/C compressor...There on Ebay for cheap..easy to install
Old 10-13-2007, 12:42 PM
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kowalski340
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I looked on ebay but all of the ac delete pulleys are for 85-87 which won't work. does anyone have an idea for taking out the ac?!?!?!?!?!?
Old 10-13-2007, 03:32 PM
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kowalski340
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I have heard from the guys at Guldstrand Motorsports that all you need to do to remove the compressor is take it off and reroute a shorter belt. has anyone done this?
Old 10-13-2007, 04:25 PM
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shadowman1
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Originally Posted by kowalski340
I have heard from the guys at Guldstrand Motorsports that all you need to do to remove the compressor is take it off and reroute a shorter belt. has anyone done this?
Looking at a picture of your belt routing it appears that you will need a pulley in place of your compressor. The tensioner is under your compressor and you must go across the top side of it.
Old 10-13-2007, 05:31 PM
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pablocruise
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Make sure you click the archives box when you do the search.

I have seen other guys run the belt over the tensioner instead of under.
Several good ideas and set-ups have been done.

I removed everything. My way is kinda strange tho. My tension adjustment is made at the upper alternator bracket. I slotted the top hole so it pivots on the bottom bolt and slides at the top.
Like the old school 70's cars.



Old 10-13-2007, 05:48 PM
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89onlyZ51
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Could you remove the compressor AND bracket, buy an '85-'87 bracket and the '85-'87 delete pulley? Just a thought - don't know how different the rest of the serp system is.
Old 10-13-2007, 09:00 PM
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rodj
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[QUOTE=89 Paul in Cal;1562290227]Make sure you click the archives box when you do the search.

I have seen other guys run the belt over the tensioner instead of under.
Several good ideas and set-ups have been done.


Ultimate way , swap to a normal rotation pump , do away with the tensioner and mod the alt for adjustment.End up with a serpentine belt version of earlier V-belt setup.
Std long pump works; need washers under pulley to align belt correctly
Old 10-13-2007, 09:18 PM
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VtVette
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[QUOTE=rodj;1562292461]
Originally Posted by 89 Paul in Cal
Make sure you click the archives box when you do the search.

I have seen other guys run the belt over the tensioner instead of under.
Several good ideas and set-ups have been done.


Ultimate way , swap to a normal rotation pump , do away with the tensioner and mod the alt for adjustment.End up with a serpentine belt version of earlier V-belt setup.
Std long pump works; need washers under pulley to align belt correctly
That's how mine is set up but the original poster needs to keep his smog pump.
Old 10-13-2007, 10:09 PM
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_twisted_
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A guy was selling the delete bracket for you years, I think his name was fmrfast - he had several
Old 10-14-2007, 11:12 AM
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Hilmarbjorn
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Default A/C delete

Here's my version (1989). A friend helped me build the delete pulley which uses the stock a/c compressor pulley, so it uses the same belt and the routing is the same. Then I built a new bulkhead out of sheet metal to get rid of the a/c evaporator (or was it the condenser, I always mix the two up).


Last edited by Hilmarbjorn; 10-14-2007 at 11:12 AM. Reason: typo
Old 10-14-2007, 05:46 PM
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emo-vet
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hi guys again,
i also when orignally started modding my brackets gutted the a/c and left the a/c pulley and ran the serp belt of it but now just recently i cut back a/c bracket more and got rid of the pulley altogeather.
cheers
shae
Old 10-14-2007, 08:36 PM
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86vettral
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i have a delete pulley from ebay if ya can use it? my vette is an 86. i decided to leave ac intact. pm me if ya want it. i will sell it cheap..todd
Old 10-14-2007, 09:49 PM
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kowalski340
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I can't use it 89 is a different compressor setup but thanks anyway. doea anyone have the exact belt routing that they used after taking the compressor off and are not using a delete pulley setup
Old 10-15-2007, 12:59 AM
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Deakins
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We just purchased a shorter belt and ran it over/around the tensioner and then back under the water pump. That kept the rotation going the right direction and everything worked fine.
Old 10-15-2007, 11:49 AM
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kowalski340
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cool thanks

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