Bore 4.000
Comp Height 1.850
Pin Dia. .940
Dish -.245
The compression Ratio was going to be around 8:5 to 9:1
I have a 4.1 block also but I oiled it up bagged it and put it in storage. I don't feel like degreasing it just for pics lol.. its the '291' block. It's the one beefier in the...