Quote Originally Posted by Thunderhorse View Post
Planning a build of a 514ci using SRP pistons with 28cc dish and Edelbrock 60679 75 cc heads is that a good combination for 91/93 oct. pump gas ?
Assuming your 514 will have a 4.14" stroke then you compression ratio should come in at about 10.2:1. Depending on the rest of of the engine combo, 10.2:1 may be pump gas friendly but in most cases I tell customers over 10:1 is pushing it.