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#21
10-28-2004, 11:52 AM
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What's POA?
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78 White T/A, Carmine interior, Fisher T-tops, WS-6 package, 3.08 gears, a/c, rear discs. Original 403 with 300,000 miles replaced by new Pontiac 455 (roller everything, 6x-4 heads, Performer manifold, Hooker Headers, Hughes converter, Cliff's Q-jet) - I only get 12 mpg! |
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#22
10-28-2004, 12:21 PM
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The NADA Guide recently changed its rating criteria - NADA now automatically adds 10% to the value for factory AC (at least for a 1970 GTO conv).
BTW, they also tell you to add 5% if it has Rally IIs.
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REDGOAT 70 1970 GTO 400/350 TH400 |
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#23
11-02-2004, 09:11 AM
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I know you pretty much decided to keep the A/C, but I have got a quick story about removing the system. My buddy has a 1970 Chevelle, with a nice little small block. He was running very low 11's in the 1/4. He wanted to break a 10 very badly, so he decides to remove all the A/C stuff for weight purposes. So he guts all the system and the car only goes 1/10 faster. Boy was he pissed. Needless to say he never put it back on. BTW, the A/C was working before...
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#24
11-05-2004, 04:05 PM
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POA is a Pilot Operated Absolute valve. It is in the suction line and, if I understand correctly, its function is to prevent liquid coolant from getting to the compressor inlet. Not exactly sure of the mechanics of how it operates, but it is there to protect the compressor.
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