Rebuilding the 390 FE engine – Choosing the right parts
It turns out the cylinder walls were in a pretty good shape and required only honig. That’s good news, since I can keep my pistons and just put a set of new rings on them. The current pistons are “high compression” giving 10:1 compression ratio, which is max I should go with the regular pump gas.
Read more about pistons here:
Ultimate Ford FE Engine Piston Guide
Heads are done and have new valves and hardened valve seats already installed.
Before putting them together I needed to decide if I should keep stock valve springs or not. Stock springs are good f [...]