What is the correct fluid to use? I used Dex/Merc ATF last time and want to make sure this wasn't a factor in my tranny dying. It died from the diff pin coming out so i'm thinking it's not fluid related.
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G5mr transmission fluid
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I run 80W90 gear oil. The ATF is too thin IMO especially for summer driving.
I've heard really good things about synchromesh but I haven't run it myself.
IMHO - if you abuse the diff the pin will come out no matter what fluid1991 Mercury Capri XR2 "GTXR2" BPT Swapped AWD Conversion

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I use dex/merc atf Ive had 3 trannys stuck in gear that were all running gear oil when I got them so this is why I use atf never had a problem.93 L B6T DD http://www.fordfestiva.com/forums/sh...ad.php?t=37751
RIP_90 LuX http://www.fordfestiva.com/forums/sh...ad.php?t=32249
RIP 88 LX / B8-MEhttp://www.fordfestiva.com/forums/sh...ad.php?t=26398
RJ

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I switched to Redline ATF+4 in my 90 Taurus SHO because of grinding in 2nd and 3rd with petro based ATF and it totally eliminated the grinding. Redline is some good stuff!Originally posted by festyfreak39 View Posttry some syncromesh.
I swear by this stuff... it completely eliminated my 323 gtx awd's grinds over night.Semper Fi til I die!
1993 Fescort GT 1.8 BP automatic Kia Rio front struts and cut springs Cut Front Festiva springs with Monroe Aspire struts in rear


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I'm also pretty curious about this, I decided to go with some thicker stuff with my F series, hope I didn't make the wrong decision.1992 white L, Bp, American racing 13's, stock trans.
1991 White L, BP/F5MR, protege header, full aspire swap with gr2's, seats, and sway bar, 15" konig's, short throw, escort console.
1991 blue L, 5 speed.
1988 red L-plus-all stock.
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