Quote:
Originally Posted by tom s
You will need to have the heads gone thru.One pc stainless valves,screwin studs,cut for oil seals,proper springs and retainers for what ever cam you use.Tom
|
oh yeah definitely. I would be replacing these old hunkers either way for new ones when i refresh the motor. a lot of conflicting online info on the motor being 10:1 stating 91 octane isnt high enough and would need additive.
i always thought anything higher than 10:1 would need additive.