Bob, both my a/c cars are automatics with the 485397 YN pulley. I dont know why the 80A alt setup using the idler pulley would use a different w/p pulley. I would assume alll the a/c cars would use the 485397 YN pulley, regardless of transmission.
I can't remember if Steve had the build sheet for the car. If you have it, it will show the pulley codes in box 33 for the crank and fan.
My T/A is a M22 car with no a/c. That's why it has the bigger 481039 XF pulley. Mike's Sundance M22 no air car should have this big pulley also.
Last edited by 4birds; 10-29-2015 at 11:16 AM.
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