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06-18-2007, 11:20 AM
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Registered User
Join Date: Sep 2005
Location: Smith Mountain Lake Virginia
Posts: 1,537
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HEI types question (rigid v. flex ends)
I've pulled two HEIs - one was in 68 GMC, the other from a mid 70's nova - both I6's They both look identical, both with the external coils - ONE difference I can see - the one that was in the truck has a "jointed" tail shaft - about 2" above the part that engages the oil pump, there is a pin through the shaft and it can "wobble" a little bit. The other one, off the nova, is solid all the way to the end. The gears look identical, the shaft housings, everything.
Just wondering what's the purpose (if any, new technology for the time, etc). At this point, I am considering installing the rigid one as it seems less likely to "break" or have issues - correct? Can anyone shed any light on this? Thanks all!
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"A cat will almost always blink when hit between the eyes with a ball peen hammer" (you don't always have to state the obvious) Wear your PPE! You can eat with false teeth but you can't see with a false eye. 1959 Studebaker Silverhawk 350/400 1972 C10 L6 3OTT 2005 F350 - Built - whew! |
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