05-07-2019, 06:46 PM
(05-07-2019, 05:18 PM)JonE Wrote: .... on an older/unrestored engine you might find any HC head makes a slightly oilier exhaust than with the standard LC head, if you have one of those currently... just from increased engine pressures.
It's difficult to see how a higher compression ratio can possibly give an oilier exhaust. I'm baffled.