Re: What oil are you using in your Mfactory 4.78 final drive
Originally Posted by guelofh
Yeah man you are right
I'm going to do that I think I read something about that a few days ago in his 6 speed trans post
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Originally Posted by lynchfourtwenty
do a little searching, ashtons all over the place recomending the shit lol
do a little searching, ashtons all over the place recomending the shit lol
Yeah man you are right
I'm going to do that I think I read something about that a few days ago in his 6 speed trans post
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Here is the info from Ashton
Just like the B13/B14/B15/P10/P11 transmissions, the manufacturer calls for a 75w90 gear oil. I believe they call for GL-4 oil as well. For those putting heavy use or above 500whp on their cars I highly recommend using Valvoline 85w140 Conventional or Durablend in the trans except for winters in cold areas. Stick to a 75w90 Synthetic. The thicker gear oil is great in this trans. When warmed up it shifts buttery smooth and it will help prolong the life of the gears and bearings and allow it to take more abuse just like it worked in the B13 trans I ran before. I will leave your choice of oil up to you. That is just my recommendation. Coheed first used it as well and liked it but when it started to cool down some it made startups and the first few blocks annoying as its very very thick. Also didn't like the feel of the shifts when the oil was cold so he went with a 75w90 oil for the cold months and no issues.
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