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Excellent info. So just the bowl vent on the later AVS is the difference? If that's it, I'll probably just plug it and run it after rebuild. Oh, the cam is the "hemi grind" purple shaft cam, I believe it was the .484/108 LSA one, but that's just from memory. It's been a good 10 years since it...
It's a 1970 model, not 1971, but yes, I see that it was supposed to have a Holley R4736 now, but also read that some Holleys were getting replaced with the Carter AVS due to the Holleys leaking/causing fires, and just wanted to be sure. Thank you for the info. Now the question is, is there a...
So if my Carter AVS is stamped "6125 S" on it (not "SA") I understand it was one installed on the assembly line and not a factory replacement (otherwise it would have "SA"). Okay, cool. But just before "6125 S" is the code "H5" stamped next to it, indicating August 1975, I think. Also, the...
I'm guessing for the three-prong breather, it's all N95 emissions stuff which is probably long gone, and I'll just bypass it with a simple breather. lol
I have a '73 Road Runner with a 400 and dual-snorkel air cleaner. I have vintage Holley cast aluminum valve covers and I'm trying to make them as "stock" as possible (in function, anyway). So far I have plumbed the PCV directly into the driver's side valve cover (no PCV housing or anything, it's...