post #1 of Old 10-30-2013, 08:41 AM Thread Starter
krazybob
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1988 YJ Wrangler 
 
Join Date: May 2013
Location: mountain home
Posts: 51
using syn oil in tranny

I've read several posts regarding changing standard tranny oil to synthetic. What I'd like to hear, is what was the result if any to how the tranny shifted after the syn was installed. My tranny in my '88 YJ is sometimes hard to shift into 1st after I stop at a stop sign. Sometimes after I come to a complete stop, it doesn't want to go into any gear. Sometimes I have to goose the engines rpm's to get it to go into any gear. So I'm wondering if I installed Mobile one synthetic 10w-40 if I could expect any improvement? If you switched, I'd sure like to know if the results were worth the work changing it.


Krazybob,, Mtn. Home, Idaho
My goal, is to die young,,
at a very old age
1988 YJ 4.2 5sp
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post #2 of Old 10-30-2013, 08:56 AM
Eron
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1993 YJ Wrangler 
 
Join Date: Sep 2012
Location: Port Townsend
Posts: 189
Tranny's can be had for pretty cheap. Seems like you need something more than just some synthetic oil.
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post #3 of Old 10-30-2013, 09:33 AM
bpounds
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1988 YJ Wrangler 
 
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Location: Whittier
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I know guys have used synthetics in the AX-15. Not sure I have read of anyone doing it to the BA/10 which is what you have.

Interested in hearing any reports. My BA/10 does the same thing.

Bill
Dodge did not build my Jeep.
1988 Wrangler,4.2L I-6, Howell EFI JP-1,GM HEI Ign, 5 Speed Peugeot, Zone 2.5" lift + 1/2" booms, BFG 31 x 10.5, Bestop.
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post #4 of Old 10-30-2013, 09:46 AM
Siva283
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1995 YJ Wrangler 
 
Join Date: May 2011
Location: Falling Waters
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Best solutions is to swap the BA trans for an AX15. That will solve your shifting issue's

1995 YJ. 2 inch BDS Spring lift. 1 inch shackle lift. 1.25 inch JKS Body Lift 33x12.5x15's. Engo 10,000 pound winch.

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I gave the Jeep the required offering of $$, sweat, and blood, and everything works fine now. -- Jim
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. It started with a $200 axle, and a few thousand dollars later I was done :)
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diagnose the real issue before you start going all Obama on it - spending mad cash you'll need for other important things.

Ask me how I know...
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this is also my second set of RC springs this year. I'd rather spend the money again and get something that will last.
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