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hi
Anyone using B&M tranny fluid in their C4? It claims it exceeds type F requirements and will improve transmission performance. Is this snake oil or are the claims true. This stuff is twice as much as regular fluid.
Thanks steve
 

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Yes it does work...now is it worth the price, I don't know unless your in a racing application. IMHO, I change auto trans fluid annually and use mercon III (semi-synthetic), never had a problem even with shift kits and a wife with a very heavy fooooooot! IMHO, fluid temp & cleanlines is the key.
 

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Pure speculation but it's likely just regular Type F with a friction modifier...

FWIW, I've always run regular ATF in the race car... It's got Autozone generic Type F in it right now..*G*

Keeping the fluid at the proper temp and building the trans right are the keys to long life IMO...

The trans in the D-coder has 199.6K on it (about 22K on a shift kit install) and uses the same generic ATF with no problems to date...
 

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I'm using it now. I hoped it would help with the slippage I have between 2nd and 3rd gear, but didn't do the trick, but then again nothing really does as the tranny is old and needs a rebuild /forums/images/icons/smile.gif.
 
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