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  #1  
Old May 27th, 2004, 04:07 PM
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transmission drain and fill

DOes anyone know what size the fill plug is on a manual D-90? looks like some kinda torx thing? Also the drain plug size looks to be about the same as the drain plug on the oil pan. ALso what kinda tranny fluid are yall using in the R-380? any reccomendations?
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  #2  
Old May 27th, 2004, 04:10 PM
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T-55 torx, IIRC 1 1/4 for the drain (1 1/8" is the engine oil)

I took out the T-55 and replaced it with a male 1/2 filler plug so it would be field serviceable without the torx.

Ron
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  #3  
Old May 27th, 2004, 04:14 PM
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that was quick.. thanks a bunch
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  #4  
Old May 27th, 2004, 04:26 PM
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Nicholas Orros
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Amsoil

I use AMSOIL ATF in mine and it shifts like a champ, changed it out once since I had the truck just to see if there were any deposits and they were pretty slim.
A gentleman by the name of Michael Green suggested using some 5/10/20w-50 along with it, just a little if I remember correctly... maybe about a 1 to 5 ratio...
I took his suggestion and it seems to shift even better.

Just my .02 cents


Nicholas
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  #5  
Old May 27th, 2004, 04:45 PM
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so a mix of 5/10/20w-50? I dont really understand.
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  #6  
Old May 27th, 2004, 04:54 PM
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redline MTL--all you need to know--well, you will need 3 quarts as it take ~2.6 quarts
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  #7  
Old May 27th, 2004, 04:57 PM
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I have a friend that likes that stuff. I have considered but I have always heard that you must use ATF fluid in the r-380??
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  #8  
Old May 27th, 2004, 04:59 PM
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Untrue, ATF just lets the synchros die sooner. as of 1998 rover recommends something that is similar to MTL
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  #9  
Old May 27th, 2004, 05:00 PM
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thanks for the information...
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  #10  
Old May 27th, 2004, 05:54 PM
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I heard that these tranes have a pump to lub the extension. & if you mix gear lube the fluid becomes too thick to pump. I did that the last tran fluid change I did & the coating on the inside of the trans came off & clogged my filter. My syncro's hav been shot for a long time & my next project is rebuild the trans. OH BOY!
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  #11  
Old May 27th, 2004, 06:24 PM
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Well, if you use REDLINE MTF or AMSOIL ATF you can't go wrong. They are by far the best synthetics out there... (do a thorough check through Google and you'll find out).

Anyway, I actually would run REDLINE MTF but I can't find it here, and there's a small dealer in town, (gotta support small business! ... hate going to PepBoys!!!) called Baker-Alford and they are an AMSOIL dealer as well, so I go with the ATF (and every other possible synthetic they put out, right down to the grease in my bearings) and I haven't had a problem. If they carried REDLINE MTF I would go with that because it's closest to what LR recommends and it's good SH$T.

The AMSOIL ATF is slightly thinner, so I took Michael Green's suggestion and mixed a little 'regular oil' in with it... I wrote 5/10/20 w (weight) because I couldn't remember and they're all a little thicker than ATF/MTF. I think I put in 20w/50 last time... Shifts as perfect as it can get.

Mind you, REDLINE & AMSOIL products aren't cheap... you're looking at 2 to 3 times what 'blends' and the cheap stuff are, but I think it's worth it. I'm never selling this thing, so the longer I can 'keep it perfect' the better. Your budget may dictate that as well.

Hope this helps... somewhat.

Nicholas Orros

P.S. (maybe Michael Green will chime in... I love watching him get going on this topic!!!)
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  #12  
Old June 2nd, 2004, 08:29 AM
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Thank You Ron! I drained and refilled my Trans with Redline MTL and WOW what a difference! It’s quieter and smoother when you shift. What a pain to get it all in that PITA spot of a fill hole on the Trans, but well worth it.
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  #13  
Old August 18th, 2004, 01:45 PM
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I finally got around to putting the Redline MTF in my truck. It truely made a noticable difference well worth the hassle of draining and refilling which isnt that bad. I think any R380 could benefit from this stuff....

FWIW
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  #14  
Old August 19th, 2004, 06:08 PM
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Your welcome
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  #15  
Old August 19th, 2004, 08:11 PM
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thanks. and extend my gratitude to the Modennator
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  #16  
Old August 19th, 2004, 10:38 PM
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Where do you find the Redline stuff?
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  #17  
Old August 20th, 2004, 01:09 AM
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  #18  
Old August 20th, 2004, 08:10 AM
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i got mine from www.ogracing.com
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  #19  
Old August 20th, 2004, 08:19 AM
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The local speed shop had it on hand.
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  #20  
Old November 15th, 2011, 03:54 PM
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Is anyone using the AMSOIL MTF?
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