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casting number 3970010 is a 350 block from 1969 - 1979 but in 1969 302 and 327 have the same casting # and im not to sure about the other #
a 350 or 327 that is the question. A 350 or a 327
i called the Chevy dealership and they told me the year
Most of those engines were drilled for either starter bolt pattern. What matters is that you get the right starter for the size flywheel you're using. The 153 tooth and the 168 tooth require their own starter nose cone. Except for the aftermarket gear reduction starters which are usually drilled for either flywheel.
you need the date code on the side of the block it will be a series of numbers and letters first its the month, then day, then year
No. That number was used for 302's, 327's, and 350's. (4" bore)
A81 should be January 8, '71,'81,'91.
It's a 4" bore block. Has been used for 302, 327, and 350 engines.
What Chevy engine has the casting number 3970011?
This does not appear to be a question.
4bolt 350ci
yes. that is one of several blocks used for the 302.