Both engines used the same fan...these fans were notorious for the noise they made as the rpm's went up...most of them were replaced back in the day with a flex fan. Interesting thing is, they actually worked pretty well at cooling the BB motors.
Again, there is a lot of stuff out there about what fan is correct...based on all the info I have seen, including survivor cars, there was never a 4 blade on these engines.
-wilma
Quote:
Originally Posted by hiperf69
I need to go back and look at the assy. manual again but,
I was thinking low HP (L-34) came with the 4 blade and L-78's
We're the 5 blade
Joe
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