View Poll Results: WHAT BRAND TRANNY FLUID ARE YOU USING?
Voters: 208. You may not vote on this poll
Brand Of Tranny Fluid Are U Using!!
I was wondering if the synthetic fluid would be different for a built 4L60E? I have redline ATF in mine (the one geared more towards firmer shifts) dont remember? but I have a shift kit in mine, new bands, clutches, etc. 5 pinion front and rear... anyways its only got 5K miles and although I have never taken it to a track or really raced I have loved the way it shifts? It really FIRM, with only 365 rwhp it has spun pretty good going into second with 315s and a 3.42 
what do you guys think?
what do you guys think? We have people running both happily so we really dont have a preference,
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I always heard that B&M Fluid was just expensive Type F fluid, nothing special. The Type F fluids have a less slippery additive package that firms up shifts.
Jim
Jim
Last edited by DeltaT; Jan 9, 2008 at 09:22 PM. Reason: stupid shit
Tech Resident
Joined: Jan 2006
Posts: 5,117
Likes: 3
From: Philly
Doesn't matter as long as it's Dexron III and NON-SYNTHETIC! I wouldn't put synthetic in my 4L60E if you paid me. I'm trying to NOT burn up the clutches, and minimizing friction in the tranny fluid is a great way to maximize your chances of smoking clutches.
TECH Regular
Joined: Aug 2007
Posts: 418
Likes: 0
From: Cypress, TX
And actually, I hadnt noticed the sticker until I painted the tranny.
Previous to knowing that, I emailed Chuck (at FLT) and asked if I should
run synthetic for improved friction reduction and to prolong the life of
the tranny - I said I didnt care if it costs more, if it's better, I'll run it.
He said to use either. I think it might be a good idea to email Dave at
Yank to see what his thoughts are.
TECH Regular
Joined: Aug 2007
Posts: 418
Likes: 0
From: Cypress, TX
My FLT (not yet installed) has the "Use Dexron III" sticker on the pan.
And actually, I hadnt noticed the sticker until I painted the tranny.
Previous to knowing that, I emailed Chuck (at FLT) and asked if I should
run synthetic for improved friction reduction and to prolong the life of
the tranny - I said I didnt care if it costs more, if it's better, I'll run it.
He said to use either. I think it might be a good idea to email Dave at
Yank to see what his thoughts are.
And actually, I hadnt noticed the sticker until I painted the tranny.
Previous to knowing that, I emailed Chuck (at FLT) and asked if I should
run synthetic for improved friction reduction and to prolong the life of
the tranny - I said I didnt care if it costs more, if it's better, I'll run it.
He said to use either. I think it might be a good idea to email Dave at
Yank to see what his thoughts are.
(hope he doesn't mind me quoting him)
"We do not recommend any types of full synthetic oils - they can be too
slippery. In a motor where you have metal to metal wear that is great
but when you are dealing with friction materials such as clutch plates
and the converter lock-up clutch you can make them too slippery and
have issues.
I would go with the III.
Best Regards
Dave Myers
Yank Performance Mfg."
Chuck (FLT) prefers the use of III, but said I can run either. I think
the consensus is to run Dexron III, which is what I'll be running.
what about a mix, say 80% John Deere fluid and 20% Dex III?? I hear to run dex for the anti-slip and anti-foaming additives, and I need to tighten my converter up 150-200 rpms. I'm running a SS4000
