To be exact we need to know what compression, what head design and what rpm your planning on turning it..... It depends how much air u are able to flow.
it's a 13 to 1 compression motor the heads are pro action 235 cc 208-160 valves i'm turning the motor around 7200. 4.71 pro gears 28x10.5x15 slicks. 1.76 powerglide.