OP,
This might be a stretch but I would personally attack it with strong, commonly available solvents.
Take apart as much of the engine as you can reasonably handle and soak it overnight in a couple gallons of solvent.
I personally recommend soaking a few gallons of chlorinated solvent (i.e...
I have an old Kawasaki bike designed in the late 80s with the valves set ~15% looser than spec, and it clacks like a MOFO with Mobil 1. However, it is almost dead silent with Redline 20w-50! I literally sit on the engine so I can hear every little sound perfectly.
I've had a similar experience...
A guy I know used to drive 90,00 miles a year and put would buy cars for $200 and drive them until the wheels fell off. I think that specific car (Geo Metro) got one oil change ever. Do you think it was synthetic? I don't think so.
15,000 miles or one year. The oil manufacturer Redline officially states 12,000 to 18,000 miles can be safely driven on their synthetic oil. I assume you can extrapolate this to other quality streetable synthetics.
It is very obvious that you have never used any Redline oil. You should see some of their colors, not to mention the old green German Castrol which was literally green.
Redline 50 weight racing oil is very dark blue when new and regular Redline motor oil is dark reddish/brown out of the bottle...
If you are keeping the RPMS above idle RPM you should have enough oil pressure to be OK. Besides, 800 ppm ZDDP and other AW/EP should prevent lugging wear. Don't worry about it.
3000 mile oil change intervals are your ticket. With cheap non-synthetic oil, you will minimize cost and get the results you desire.
Remember that often times your oil will turn dark quickly because it does a very good job at capturing soot and preventing it from binding with the metal or...
Always remember that whatever additive you add to the crankcase will be competing with the oil for protection of the metal surface. It could be that adding a solvent such as cyclic hydrocarbons and other substituted hydrocarbons which constitute a major component of MMO according to the MSDS...
Thanks for the information. I'm very shocked to learn that it will work for 4000 miles. I was expecting to hear < 600 miles but what do I know. Redline has that magical aspect to it I guess.
Something makes me feel like we are all missing the point by arguing over which oil to use when there are many more fragile, expensive components on that car which break more often than an engine with whatever parts you choose and also require more care and attention (and fat wallet)
I'm sure...