Wow 300 thousand miles. Man that's great.
Uses no oil eh? Then I think your engine is still very good.
Have you cleaned out the throttle body? It might help that slow problem.
Do you repeat the same maintenance as quickly and as often as the same post?
LOL
__________________
May your transmission live forever.
SuperbVehicleXtraordinary
Proud sponsor of a 1992 SVX.