Quote: If these #s are correct these puppies are in W8-9 territory. I better wait before I bolt the Indys on the new R3 shortblock I have on the stand right now!!
Even though they are in W9 territory they are a 59° Head ,well they pull the same RPMs as a 48° block?
Just make it bigger, like 440-470 ci and you don't have to worry about the RPMs. It will make a ton of torque, more horsepower and operate in the same RPM range.
What block are you a boy that big. Lolol we're [Edited by Moparts - Family Friendly Site - Keep it clean] lolol
When I had my R3 sonic checked the Machinist told me it would go 4.125 easy. 4.125 X 4.250 BPE crank = 454.38 ci. A Siamese R3 will go 4.200 to 4.250. 4.250 x 4.250 = 482.33 ci. Don't tell me this would be too expensive,you are wasting your time if you use heads that flow like this with out spending some money to make them shine.
