chevy big block 454

jose urbina

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Jan 6, 2020
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1967 camaro
I just bought a chevy 454 engine. I need help decoding it. The casting numbers are 361959 also has other casting number L10 75. on the flywheel side it has HI- PER PASS.
The pad on above the timing chain cover T1223TSD and the pad by the passenger cylinder head GB130341 please help me decode it.
thank you
 

63Half-ton461

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Nov 18, 2019
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1978 Monte Carlo 383 slammed
361959.....454.......73-90...2 or 4 bolt

Pretty common mark IV block,
 

63Half-ton461

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1978 Monte Carlo 383 slammed
What casting # is on the head under the valve cover ? that will tell us a lot more about this engine ?
 

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