A/C delete

TBirdSC89

TBirdSC89

Registered User
I'm finally replacing my OG radiator today, water pump, gaskets, hoses etc. My SC has been leaking for quite some time. I'm thinking of deleting my AC system and condenser, being in Oregon it doesn't get too hot often, but still sometimes it's nice to have. Just curious if anyone has experiences from deleting it and if so, which belt will fit after deleting the A/C compressor? After installing the overdrive kit from SCP would it still fit? I might just replace the condenser and compressor since both went out.
Thanks,
Ryan H.
 

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I deleted it on my 90XR7. I don’t remember the length of the belt, but I know I just tried a few until I found one that worked. One thing to keep in mind if deleting the compressor is you will have to modify the tensioner to tension the opposite way. All this really entails is grinding off a nub that it would normally bottom out on, so now when it goes past that point, the spring starts winding the other way. Some people also replace the pulley on the tensioner with one that is grooved since it will now ride on the grooved part of the belt, but I left the stock smooth pulley there, and it has been fine for years. Also one side benefit of this is the lower rad hose no longer has to go through the belt, so no more need to drain coolant to change the belt!
 
MadMikeyL said:
I deleted it on my 90XR7. I don’t remember the length of the belt, but I know I just tried a few until I found one that worked. One thing to keep in mind if deleting the compressor is you will have to modify the tensioner to tension the opposite way. All this really entails is grinding off a nub that it would normally bottom out on, so now when it goes past that point, the spring starts winding the other way. Some people also replace the pulley on the tensioner with one that is grooved since it will now ride on the grooved part of the belt, but I left the stock smooth pulley there, and it has been fine for years. Also one side benefit of this is the lower rad hose no longer has to go through the belt, so no more need to drain coolant to change the belt!
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I deleted the AC from my car and the lower hose still does go through the belt. No way to change that scenario.
Alan
 
I'm also thinking about doing my head gaskets, being proactive with them. I'm sitting just over 170,000 miles on my SC, they've never been done according to the original paperwork, and since I've had a few issues with the coolant leaks, bubbling and such. I've ran her a few times (idling) to temp, gauge sits right in the middle, runs great, but the radiator is leaking good. More leaks in a few spots. The oil cooler looks suspect too. I'm changing the water pump, radiator, all the intake manifold gaskets including the thermostat housing one. Also an overdrive pulley set :)
I don't have any oil in the coolant or vice versa, no more bubbling in the over flow tank. But I don't want to do all this work only to have the head gaskets give out before 200k.
 
Bubbling in the coolant overflow is not a good sign. I'd be checking for antifreeze in the oil and vice versa.
 
See this post for how I did AC delete on my 91 SC.

A/C Delete

Okay guys, I'm swapping a modified S/C engine imto my 2000 Mustang and wondered what consisted of the a/c delete you guys do? I guess I cant just trash the a/c bracket because of it having the jackshaft pulley on it.. Could someone show me pics? I also feel like if I just drop the compressor...
www.sccoa.com
 
David Neibert said:
See this post for how I did AC delete on my 91 SC.

A/C Delete

Okay guys, I'm swapping a modified S/C engine imto my 2000 Mustang and wondered what consisted of the a/c delete you guys do? I guess I cant just trash the a/c bracket because of it having the jackshaft pulley on it.. Could someone show me pics? I also feel like if I just drop the compressor...
www.sccoa.com
Click to expand...
Thanks David Neibert
 
I wonder if it'll all work on the overdrive pulley set I'm ordering from SCP. I'm thinking of just leaving the AC compressor bolted on with the rest of the AC deleted and using the new belts that come with the set up. I've decided to do the head gaskets while I have everything apart with the MLS set and arp bolts. I would hate to replace all the gaskets (including intake manifold ones) only to have the heads give out soon
 
TBirdSC89 said:
I wonder if it'll all work on the overdrive pulley set I'm ordering from SCP. I'm thinking of just leaving the AC compressor bolted on with the rest of the AC deleted and using the new belts that come with the set up. I've decided to do the head gaskets while I have everything apart with the MLS set and arp bolts. I would hate to replace all the gaskets (including intake manifold ones) only to have the heads give out soon
Click to expand...

If you are only replacing the supercharger pulleys and belts then yes, the items I posted will work. It will also work with an underdrive pulley set or stock diameter accessory pulleys, belt length is the same.
 
David Neibert said:
If you are only replacing the supercharger pulleys and belts then yes, the items I posted will work. It will also work with an underdrive pulley set or stock diameter accessory pulleys, belt length is the same.
Click to expand...
Thanks Neibert. I may save up money and buy the S/C set up from SCP as well.
 
Finally pulled off the intake manifold
Heads next
 

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