Onboard air installed on a 350 chevy w/serp belt? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 03-28-2001, 12:19 PM
ArkyCrawler
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Onboard air installed on a 350 chevy w/serp belt?

I've checked the BBS, searched the net, but can't find any
info on how to install the york system to a 350 motor that has my belt system. Any info needed.

Thanks,
Steven

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post #2 of (permalink) Old 03-28-2001, 12:53 PM
**DONOTDELETE**
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Re: Onboard air installed on a 350 chevy w/serp belt?

I picked up a v-belt pulley that screws onto the shaft of the stock alternator outside of the stock serp. pulley. It has three set screws to keep it in place, as well as being snugged up against the nut to hold the stock pulley on. An alt. shop might have one, but the place I got mine from said it was from 15-20 years ago, was for running snow plow pump, and they haven't seen any others in years. I then welded myself up a custom bracket to hold the york on the driver's side of the engine, using a stock alt. bolt as the pivot point.
Try www.OnBoardAir.com for combo(serp and v-belt) pulleys. Brad(Brad Kilby is the owner...) has them custom made for Jeeps, I think they would work on a GM alt. also...
What did you do with the stock GM air conditioning compressor?? It's no York, but it will work for on board and should already be on the jeep.

Jeepurz...
post #3 of (permalink) Old 03-28-2001, 01:49 PM
ArkyCrawler
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Re: Onboard air installed on a 350 chevy w/serp belt?

When i bought the jeep the last owner replaced the 258 with
a 350, the CJ didn't have factory air so i don't have a compressor yet. I just called Sam's Offroad in Tulsa, I saw a pic of Sam's HeePee and he's running a GM compressor in it, they said i could do it but would need a inline oil filter, custom mounting and a v-pulley off the alternator like you pointed out. I'm not sure if i have the space in the engine compartment for the york so the GM maybe the way to go.

Thanks for the info!

83 CJ-7/chevy 350/44-20 with lockers/4"lift/33x12.5 swampers on hellcats/9500 ramsey. I'm in LOVE!
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post #4 of (permalink) Old 03-28-2001, 02:09 PM
**DONOTDELETE**
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Re: Onboard air installed on a 350 chevy w/serp belt?

Believe me, there's PLENTY of room for that york... I've got a 350 in my YJ, with the York on the driver's side running a v-belt off the alt. like I mentioned. I've also got a large cased Corvette alt in place of the stock GM air compressor that's used as a stand-alone stick welder.
If your GM engine doesn't have the brackets and such for a stock air compressor, there's got to be a ton of space on the passenger side of the engine. Make a bracket to hold the york there, put a combo pulley on the stock alt, and run a v-belt to the york. Granted, the belt will be kinda long and running from one side of the engine to the other, but you don't need the belt on there all the time anyhow. Put the belt on when you go wheeling and need the on board air, and just strap it to the fender when it's not needed.
That seems to be a much cheaper solution than getting all the stock parts, but the stock parts will make for a much cleaner and stock looking engine compartment. Not sure I understand what Sam's told you. Doing the York thing would require a custom mount and v-belt pulley from the alt. Going the stock route with a GM compressor, you should be able to go to a u-pick junk yard and pick up the parts fairly cheap. You'll obviously need a longer serp belt though, and I believe those are in the $90 range...

Jeepurz...
post #5 of (permalink) Old 03-28-2001, 02:45 PM
ArkyCrawler
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Re: Onboard air installed on a 350 chevy w/serp belt?

Hey Jeepurz, Thanks for the info, I'm REAL new at this this lifestyle, but I'm learning. I understand what your saying, there is room on the passenger side but just looking at pics of the york, that thing looks HUGE. I'm going junk hunting this weekend and your Ideal seems the best for me, Thanks again.

Steven

83 CJ-7/chevy 350/44-20 with lockers/4"lift/33x12.5 swampers on hellcats/9500 ramsey. I'm in LOVE!
post #6 of (permalink) Old 03-28-2001, 02:55 PM
**DONOTDELETE**
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Re: Onboard air installed on a 350 chevy w/serp belt?

Glad I could be of some help, and good luck with your project. Keep everyone posted of your progress, I'm sure some others might be interested too.

Jeepurz...
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