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That is the number of the block. It was used to build 302, 327, and 350 engines in 2 or 4 bolt main from 1969-1980.
There is a machined pad on the passenger side of the block just in front of the cylinder head that should have a combination of letters and numbers that can provide information about the horsepower and application.
Write down the numbers and look it up at this website: http://www.nastyz28.com/chevy-engine-code-stampings.php
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∙ 12y ago
Tommie Lee Marsh
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What year is a 350 Chevy engine with casting no 3970010 and c5j129384?
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 #
What size Chevy engine has casting number 3970010?
a 350 or 327 that is the question. A 350 or a 327
What year is a 350 Chevy engine with casting number 3970010 and V0725ckl on front of the block?
i called the Chevy dealership and they told me the year
What year is a 350 Chevy engine with casting no 3970010 and 12w297191?
1969
What year and model is a 350 Chevy engine with casting no 3970010 and V0609CNN?
1996
Chevy motor with casting numbers 3970010 a 327 or 350?
That should be a 4 bolt main 350
What year is the Chevy motor with the casting numbers of gm 3970010?
it is a 1969-1979 motor it was used in cars, trucks, and vettes
What year is a 350 Chevy engine with casting 3970010 and 15y146329?
The back of the block will have a series of letters and numbers cast into it. That is what determines the date.
What year is a 350 Chevy engine with casting number 3970010 and v0815tja on front of the block?
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
What Chevy engine has the casting number 3970011?
What Chevy engine has the casting number 3970011?
What is the year range for a 350 Chevy engine with casting no 3970010?
1969 to 1979 I've seen those blocks up to the mid-80's.
What motor do you have casting gm 3970010 index c6a124450 vo7128tkb?
1968------327 & 1969-79 ----350
