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I will be swapping my heads for the RPM heads at the end of the week. I ordered the edelbrock bushings and the teflon seals. I was going to order hardened pushrods, but I have heard that 302 and 289 heads use the same length , and I have heard that the 289 pushrods are a tenth shorter. Could anyone help me with this? Also, would it be worth it to polish the exaust and the chamber, and how much do I mill off to get it from 60 to 58 cc's?
Thanks
Thanks