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#1
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Adding AC brakets and pulleys - help!
Restoring a 73 TA and adding Vintage Air to a non-AC car with power steering. All the accessories and pulleys are off the engine currently. Two questions:
1. If I go with stock pulleys, what AC brackets and pulleys will I need to locate, and will I have any problems with alignment, belts, etc.? 2. Would it be smarter and easier to use a March serpentine conversion? These are available in black powder coat so it would not be glaringly non-standard. Opinions? Suggestions?
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BrockB 1973 Trans Am |
#2
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The typical Vintage Air set-up uses a Sandeen compressor, it's not compatible with stock Pontiac V8 brackets. On anything close to a restoration, most of us are big on using stock a/c brackets & A6 or R4 stock style compressors. Something many of us have witnessed over & over, spending big bucks on a Pontiac v8 March serpentine set-up & Vintage A/C will never be recouped when (and it does happen) one sells the car. The same money would often be better spent towards quality bodywork, interior, or drivetrain work. A good friend recently picked up a few pieces left over from an early Firebird build. Owner had yanked all the stock brackets & pulleys to go serpentine with all the shiny alum pulleys & polished brackets. Car also had Vintage a/c added as well. Total outlay on car build was little over 50K. Owner was ready to move on, & couldn't get 20K out of the completed car. It was his money, but I bet he never blows nearly 2K again on those two purchases. Many uninformed purchasers also fall for the "modern" 134A refrigerant selling argument, R12 & R12 substitutes are out there, blow colder and only way to go. Just my .02.
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Buzzards gotta eat... same as worms. |
#3
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BrockB 1973 Trans Am |
#4
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Vintage Air offers a bracket to mount the Sanden compressor. It is lighter weight, smaller size. on a Pontiac engine, Part number is 141001-PPA This bracket uses the stock Pontiac pulleys. Follow link scroll down to # 65 Compressors / Compressor Accessories. http://www.vintageair.com/catalog.asp As ol pinion head recommends use R12. The stock system was designed for it. Even though the Sanden is rated for R134 they will operate on R12 just fine. At the same time, replace all hoses with new Teflon barrier hose. If you have the original hoses with the metal fittings Any local automotive AC shop can do this. As long as the metal fittings are not damaged they can be reused.
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Its ok to giggle and snicker, Dont laugh and point Last edited by Ollie; 12-04-2011 at 11:40 AM. |
#5
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One last question about AC pulleys
This is an install on a non-AC trans am so I will get all the hoses, sanden compressor, Pontiac bracket, condenser, and Gen IV Magnum unit from Vintage Air.
I have located the additional stock AC pulley that goes on the crank behind the stock WP/PS crank pulley. Am I correct the the water pump, alternator, and power-steering pulleys stay the same?
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BrockB 1973 Trans Am |
#6
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Its ok to giggle and snicker, Dont laugh and point |
#7
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I am currently working on a Chevy BBC A/C project on a non Pontiac and heard about this thru some research. Not sure of the details and not sure this is a direction you want to take but if it helps it helps. |
#8
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BrockB 1973 Trans Am |
#9
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"The Sanden compressor is very much up to the task (Editors Note: the task = running the stock A-Body A/C system) . If you haven't purchased it yet, look at the Pro6ten. It's a direct bolt in replacement for the old A6. No need to change the mounts, pulleys or hose manifold configuration. It uses Sanden internals and is available in black, natural aluminum and polished. Might be a good option for you." http://www.autoacforum.com/textthrea...AR_MSGDBTABLE= Last edited by 67ramairowner; 12-15-2011 at 03:45 PM. |
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