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Thread: Sweatin holes in my underwear!!
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08-22-2011 #1
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Sweatin holes in my underwear!!
Yes, thats what I did on Power Tour this year, even though I have A/C.
I have a vintage air setup, I think it is the super cooler, bought it about 5 years ago.
Problem is, when engine rpms go above about 1700, the efficincy of the a/c drops. The higher the rpms, the worse things are. I have a sanden compressor, mounted low on a bbc, with a single v belt driving the compressor. I have looked at the belt, and it shows no signs of slippage.I have a condensor from a late model car, as big as I could fit in the car. It was properly flushed just prior to plumbing into the system. I know I need to take the car in and have the system checked to see if it is low on freon, but it blows so cold at idle.
Any ideas?
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08-22-2011 #2
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man.. prolly the nastiest thread title in the history of PT.com
hahaah
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08-22-2011 #3
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Re-check that belt....Put a white mark on the outside of that A/C belt, and get your timing light out and shine it at the belt while tipping in the carb a few raps....if you see that white mark moving on around out of sight....the belt IS slipping.
Originally Posted by Evldoer
1970 RS/SS350 139K on the clock:
89 TPI motor w/ 1pc rear seal coupled to a Viper T56 via Mcleod's modular bellhousing w/ hydraulic T/O bearing from the Viper, 12 bolt rear w/ 3.73 gearing, SC&C upper control arms, factory lowers with Delalums, C5 brakes at all four corners, Front Wheels 17x8's with Sumi 255/40/17 and Rear Wheels 17x9's with Sumi 275/40/17.
Brief description of the work done so far can be found here: http://www.nastyz28.com/forum/showthread.php?t=112454
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08-22-2011 #4
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Your system is probably low, watch to see if your clutch stays engaged while bringing the rpms up. Also try running the blower on a lower setting while cruising, typically your ac will blow colder at 3 than 4. Well that's been my experience anyway....
85 monte, drift project- small block t5 and 8.8
88 Blazer sbc
05 300c
08-22-2011 #5
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Thanks for the tips fellas, I will try and find some time later this week and play with the A/C, and report back with what I find.
08-22-2011 #6
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lmao Originally Posted by mr.vengeance
Gaetano Cosentino
Dont Drive Faster Than Your Angels Can Fly
09-13-2011 #7
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Originally Posted by John Wright
That is about the coolest tip I have heard in a while. I would have never thought of that. Although, I am not sure I understand it still. Why would the mark stay in the same spot?Alex Godsey
Somerset, KY
Pro Touring 67 GTO
461 Pontiac Power
09-20-2011 #8
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Update: Last week we added some freon to the system after checking for belt slippage. The belt is not slipping from what we could see. Now I think I have to much freon in the system. Well I wont be needing the a/c anymore this year, but still have to figure it out before power tour next year. I am going to evac the system and start over and see where that goes.
09-21-2011 #9
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What are the pressures like? If your going to do a regas, use gas with die added. It will aid in leak detection.
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