Subject	Yes that is true, but as I note in post below tried many >>
Posted by	ZUL8TR on July 04, 2023 at 5:25 AM
	This message has been viewed 223 times.
In Reply To	RP is GL 4 / GL5 , its a diff fluid. posted by Bernie (NoVA) on July 03, 2023 at 11:15 AM
Message	75w-90 synthetics like Amsoil, Valvoline, Redline that failed to give nice shifts, RP 75w-90 has worked for me over 10 years. Even did corrosion tests with gear oils noted using copper strips and RP came out best. I also have been using it for years in my outboard race engines gear case that spec GL4 and no issues. Works for me. ZUL8TR
Follow Ups	Now I have TWO whining transmissions. :-( - Good2Zya2.0 18:22:39 07/02/23 What fluid are you using? How much? - Bernie (NoVA) 21:29:48 07/02/23 Re: What fluid are you using? How much? - Good2Zya2.0 21:56:44 07/02/23 I use the RP75w-90 in my stock 1992 NA 5 speed>>>> > - ZUL8TR 05:57:46 07/03/23 Is RP 75w90 GL4? I think that's diff fluid - Bernie (NoVA) 10:29:43 07/03/23 RP is GL 4 / GL5 , its a diff fluid. - Bernie (NoVA) 11:15:05 07/03/23 Yes that is true, but as I note in post below tried many >> - ZUL8TR 05:25:08 07/04/23 RP data sheet>>>>>>>>>>>> - ZUL8TR 08:49:26 07/04/23 Re: What fluid are you using? How much? - Good2Zya2.0 22:00:02 07/02/23 The Tremec T56 - JMartz 08:16:16 07/03/23 Re: The Tremec T56 - ouikikazz 18:37:21 07/04/23 Re: Now I have TWO whining transmissions. :-( - Kvert 13:45:35 07/05/23
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