For this question to be answered you must provide the number that is above the timing chain cover. it is a 1978-1990 2 or 4 bolt main
1992 Mark V
402 Chevrolet
3963512 is not a part number. That is the block casting number for Big-Block 427 or 454 engines
454 = 454. No other number is equal to 454.
Chevrolet 454 C.I Big Block 1973-79 2 Bolt Main
The casting number shows this to be a Ford 302 V8 made in 1978.
The 1978 Chevy 454 has a 240 horsepower and 360 foot-lbs. of torque. Many enthusiasts have built 454's that produce power outputs approaching 600 horsepower or more.
0.045
you can and you can't. i say both because the block is to small but you could take the time to make the block's cylinders bigger by drilling them and making them wider, you would also have to look at the crank shaft room since this is 454 casting
It can be either a 2 or 4 bolt
no