Protrans Fluid
 

What type of trans fluid does ProTrans recommend for their MoPar 904 trannys? Also has anybody seen a performance gain using synthetic fluid over non-synthetic? Jim

Re: Protrans Fluid
 

Pro Trans recommends half Type F

Re: Protrans Fluid
 

Dave told me straight Type F. 904 all aluminun straight cut..... I'll check @ Vegas and edit my post if I'm wrong again.

Re: Protrans Fluid
 

Thanks guys.Appreciate it. Jim

Re: Protrans Fluid
 

I got my ProTrans from Joel's on Joy, in Detroit and was told to use Type F, No synthetic's at all ! The Smiths have also said the same ! Mine have been perfect, in the SS and the Stk 'r........John

Re: Protrans Fluid
 

I have only used type F in mine, FYI, I believe type F is being phased out and being replaced by type FA. I have bought all the type F I can find ...

Re: Protrans Fluid
 

What is the difference in type F and type FA ? Jim

Re: Protrans Fluid
 

My trans man told me I should run Mopar + 3 (likely now +4) in my 904 when I ran it a few years back. Surely not a ProTrans, but a slightly worked 904 with a Dynamic converter. He said the +3 had a better friction coefficient. I think that is also why Type F is recommended.

Re: Protrans Fluid
 

Sounds like the FA should work...no?

Re: Protrans Fluid
 

I totally missed the SS/F - SS/FA joke part of your answer. I though it was actual tech speak...

Re: Protrans Fluid
 

my understanding is Type A is for older automatics ( like in the 60's) --Type F is for stuff up to the late 70's---Dexron/Mercon for up to the late 80's early 90's---FA replaces both A & F--- dexron II & III is the replacement for all of the previous fluids---F has the best friction modifiers for the harshest/firmer shifts in a racing trans------Best advice "follow the trans builders reccomendations"---Comp387

Re: Protrans Fluid
 

Dave told me ""as long it is red"...awesome stuff those tranny´s....cheapest trans you will ever buy...in the long run!

Re: Protrans Fluid
 

Not sure about stockers or S/Stockers. But I know a few bracket guys who use straight hydraulic oil from tractor supply.Buy it in 5 gal pails much cheaper than ATF and they swear by it.----I dont know never tried it.

Re: Protrans Fluid
 

I have a couple of pro-flites. I was told by both Dave and marv to run type F.