The info I have is:
3970014....350...70-76...2 or 4 bolt main
the T0104CMA would refer to:
T for Tonawanda Engine Plant
01 for January
04 for the 4th
C for Chevrolet passenger car
MA for either 1972 307/130hp 2bbl turbo hydromatic trans from California
1974 350/145hp 2 bbl turbo hydromatic trans.
Still checking on the 13L1
1985 Blue Camaro 2.8L auto w/T-tops
1985 Brown Firebird 5.7L (360) 5-speed no T-tops
1988 Blue Firebird Formula 5.0L auto w/T-tops (www.formulaproject.com)
2002 Black Trans Am 5.7L LS1 auto w/T-tops
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