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Old 09-29-2016, 09:37 AM   #390
LT1 Burb
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Location: Winchester Oregon, formerly Vancouver BC
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Re: The 1960 - 1966 Chevrolet & GMC Pickups Factory Correct Restoration Thread

Quote:
Originally Posted by billetproofcustoms View Post
I did some research on the code at the passenger side front of the engine.

It was manufactured on March 8th, 1966 in the Flint plant, and the last two letters (WH) state that it is an A.I.R. with Powerglide.

what does A.I.R. stand for?
I think it is smog, air injection reactor
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