Re: synthetic oil in an old motor?
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Originally Posted by USMC302
The non-synthetic oil is fine for you high mileage car if you have had no problems why switch now?
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thats whats i'm thinking!
what is "good multi grade detergent mineral oil"? i'm guessing this is good old 10w-30? well, since the factory recommended 10w-30 which is still being used i will stick with it, i might bump it up to 10w-40, at least for the summer months...........the only leak i have is a valve cover leak, been there for years now......
on a side note, when i put in my tri-ax shifter on my t-5, i switch to Redline Synthetic ATF. i remember now that a month after i noticed fluid leaking from where the driveshaft enters the tranny, making a nice smokey drip on my x-pipe. i ended up replacing that seal (driveshaft seal?) anyway, was that a result of the synthetic switch?
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1990 GT,stock T-5,K&N w/o air silencer,March underdrives,FMS wires,timing@14*,PA Perf 130amp alt,Steeda Tri-Ax Shifter,Steeda adj quadrant/clutch cable/firewall adj,Centerforce II clutch,o/r x-pipe,Magnaflow SS catback,g-load brace, subframes,Bilstein struts/shocks,Autometer gauges, 136k and running strong!
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