Tune Issues

[buildabear3804]

I haven’t done it at all on this tune. Just start rolling and floored it. Do I need to ease into it?


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[Sleeper.Solutions86]

I said you CANNOT do it. It will cut the throttle after 3 seconds.

It will ONLY work from a STOP.


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[buildabear3804]

I understand now. I’ll go back out and what changes.


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[Sleeper.Solutions86]

As far as the trans fluid goes you need to monitor the fluid level and get it very hot and check it at 204*F. Youll need an advanced scan tool or datalog with your tuning device on a laptop to monitor transmission fluid temps.


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[buildabear3804]

Understood. I’ll do that after I change my trans fluid soon. Just finished a drive, didn’t miss second at all. Still seems to shift pretty firm. Hopefully it resolves after a drain and fill.


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[Sleeper.Solutions86]

Just make sure to not overfill that’s the worst thing you can do.


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[buildabear3804]

Well, I did a fluid drain and fill. Five in five out. Fluid was pretty brown, lighter than any of the times I’d changed before. Considerable metal pieces.



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[buildabear3804]

Now it’s bogging in 1st and 2nd. I am just going to take it to a shop tomorrow I’m so out of my depth.


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[Bronco2fan]

If you take to a shop, make sure you flash it back to stock tune.

 

[buildabear3804]

Well, seem to have figured it out. Ended up going for a longer drive and doing a few pulls and it shifted perfectly. Thinking it was trans fluid temp, as all of the miss shifts were after I had reached operating temp but not long enough to warm up the transmission. I still need to send data logs to Matt so he can confirm but it’s looking good. On a similar note, wheel hop is now an issue. Is there any way I can get AD transmission mounts or am I out of luck? Any other brands/people who make upgraded ones?


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[76FoMoCo]

AD Trans Mount Installation

Wanted to just make a quick (aka, LONG) video of the install process. Going on an Explorer but the process is the same for the SHO. It's really very easy and straight forward. Even with all the unedited parts where I'm away from the cam, the video was still only 30 minutes, so install time on...

shoforum.com

 

[76FoMoCo]

Info at the bottom of the first post. You just need to install one.

 

[SM105K]

Continuing these issues. Shifting smoothed out over the next 100 miles. I’ve tried maybe 3-4 hard pulls from a standstill, none brake boosted. Twice I’ve missed 2nd, then shifted to 3rd and let off the throttle. One other time it grabbed, not on full throttle. Pretty bad shudder. I emailed Matt and he said to make sure I was half a qt above full of trans fluid at hot idle. I obliged and have yet to take off from a stand still, but from a roll it has gotten better, it will catch and shift hard but not shudder, or it will miss. Everything else shifts perfect. Should I try a fluid drain and fill? Trans parts wearing down? I’m at 120k, I’ve drained and filled the fluid 3 times since I got it at 96k. Changed at 100k, 105k, and 110k. No issues on the stock tune. Any input would be amazing.


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Are you positive it shudder and not wheel hop. They feel similar.

 

[buildabear3804]

It is usually shudder, I’ll sometimes wheel hop depending on where I am and the condition of the road. It seems to have gone away, if I’m going up an incline or the road is not great (Michigan roads) it will shudder slightly. Way more mild than before.


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