Water distribution tubes in early V8 heads
Tried "search" and couldn't find what I was looking for. A guy over on the Old GMC forum has a '56 GMC with a stock Pontiac V8. He needs a set of water distribution tubes for his heads. 55/56 tubes are part number # 518063 both sides. 57/58 is 523327. I don't know if the later tube will go into the earlier head. I think the early ones were some kind of copper/brass alloy, while the later ones were stainless.
I have ONE spare '58 tube that I'm willing to donate to his cause.
Anyone know for sure if the later tubes will or will not go into the early heads?
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My Pontiac is a '57 GMC with its original 347" Pontiac V8 and dual-range Hydra-Matic.
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