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Old Jan 18, 2006 | 08:24 PM
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i wanna change my engine oil.... tranny fluid, and rear end lube to R/P. can someone tell which are best for my 104,000 mile 71BB, m21 4 spd and 3.70 rear
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Old Jan 18, 2006 | 08:26 PM
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Go for it! Very good oil, I use the lube in the differential and going with their oil on my next change.
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Old Jan 18, 2006 | 09:13 PM
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I have Royal Purple in my tranny. When I reseal the rear diff, you can bet it will have some RP in it.
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Old Jan 18, 2006 | 09:31 PM
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RP Synchromax in my 5 speed
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Old Jan 18, 2006 | 09:37 PM
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If your engine is fine after 104000 miles on regular oil... why change ???
Get some name brand oil and you'll be fine
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Old Jan 19, 2006 | 11:04 AM
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i saw a horsepower program where they used R/p in their engine and drivetrain and did a before and after dyno run and actually gained H/P with the royal purple.... anything i can do for more ponies...
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