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I have a starter that came off a 73 454 .where the #'s where rubbed out .but has 11------6 then has 3e 15 .and on cast iron 3 bolt hole nose has cast 301 .just wonder what it might be ? Mike
The 3795470 1963-only bolt was 1.94" long and that confirms the reason for the washer being used. Since a 1.84" bolt length is actually required, the 3/32" (0.09") thick washer just about compensates for the extra length of the 3795470. So, why didn't they just use the correct length bolt to begin with? That would be a good question.
One other thing, though: while the 3795470 bolt was a one-year-only bolt as far as 63-82 Corvettes are concerned, it was also used for 1962 Corvettes with Powerglide. There may have been some 1962-only reason for the bolt length and it was carried over into 1963. Then, corrected for 1964 with a change in the bolt.
I have a starter that came off a 73 454 .where the #'s where rubbed out .but has 11------6 then has 3e 15 .and on cast iron 3 bolt hole nose has cast 301 .just wonder what it might be ? Mike
Mike-----
I assume the car is a 4 speed if it has the cast iron nose. If so, the cast iron nose is the correct one. There has been some discussion here recently regarding these "3 hole" starter noses. Personally, I've never run into one but maybe I've led a "sheltered life". I feel quite sure that these are for 14" flywheels, just like the far more common 2 hole cast iron noses. I just don't understand the reason for the "third hole". I do not understand how the "third hole" could align with any of the block's 3 starter bolt attachment holes, so why have it there, at all?. However, perhaps there are some blocks out there with an additional starter attachment hole that does align with the "third hole" on the starter nose.
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