02-29-2024, 07:50 AM
(02-29-2024, 04:51 AM)m in sc_imp Wrote: deposits wont build up on the actual sealing surface of the seat/valve. i've never ever ever seen that unless the motor sat, unrun for many, many, many years and rust built up. even then... they will clear off after its run a bit. I spent a LOT of time in junkyards in my teens and 20s tearing into cars
I concur.

