Lineman
Well-Known Member
I appreciate the help figuring out what this motor is.. thanks
Please help identify small block
- Thread starter Lineman
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sr71mopar
Well-Known Member
I'm going with a early 360
j-c-c-62
Well-Known Member
That is a very useful thorough link.
Three things caught my eye:
a. there were only two shifts for casting
b. Shifts were only 8 hours
c. no mention/explanation was given in this link for the reoccurring large #6, seen after the casting number, and also found on front valley wall and elsewhere on the block
I read here recently and unconfirmed that the #6 designates the casting station
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That is the desirable early 360 block.
Folklore says this part # was the only one
done on a 340 casting.
What I do know is that this is the only number we use on our
360 Stock/SS engines other than R blocks.
In our testing the bores thickness and core shift thrust direction were "generally"
much better than the later 360 blocks by and large.
I have read articles that dismiss this, but this has been my experience the last 50
years.
Folklore says this part # was the only one
done on a 340 casting.
What I do know is that this is the only number we use on our
360 Stock/SS engines other than R blocks.
In our testing the bores thickness and core shift thrust direction were "generally"
much better than the later 360 blocks by and large.
I have read articles that dismiss this, but this has been my experience the last 50
years.
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