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Old 10-08-2012, 04:28 PM   #1
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threw codes p0735 5th gear incorrect ratio & p0734 4th gear incorrect ratio

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Old 10-08-2012, 04:28 PM   #2
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threw codes p0735 5th gear incorrect ratio & p0734 4th gear incorrect ratio
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Old 10-08-2012, 05:03 PM   #3
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What do you think is causing your problem? Any idea what your line pressure is reading?
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Old 10-08-2012, 05:51 PM   #4
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I wish i knew Greg .. i have no idea but it seams every time i go up to the mountains which is a 3 hr ride it starts to shift weird . and i don't tow anything and i am not beating on it. but since i got it back from the trans shop last time it didn't feel that good so i knew it was going to happen eventually . i think i am going to call a guy name rick in Indiana that my brother told me to use in the 1st place it was either him or Martin Saine in California but i didn't listen to him only because i felt if i had a problem with the trans means i have to take the trans out and ship it so no truck for a couple of weeks.
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Old 10-08-2012, 06:16 PM   #5
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There's a pretty nice tranny in the forsale section.
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Old 10-08-2012, 06:32 PM   #6
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Wish I had a clue.
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Old 10-08-2012, 06:55 PM   #7
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Just thinking out loud, but it seems to me our trans never breaks anything. Just slips and burns clutches. Comes down to either the trans need more clutch surface and/or higher line pressure. I monitor my LP closely and see it is very dynamic in relation to TPS and MAP.
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1# 2017 HTC FASTEST HEMI List....
Current 1/4 mile [email protected] (2018)
Current 60' PB 1.351 (2019) mechanical issue for 1/4m

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Old 10-08-2012, 07:31 PM   #8
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i seen that trans in the for sale section .


Greg you are right since my trans was rebuilt only once did something break and it was a welded piston on the 2nd gear i think something the trans guy said he never seen happen before.
you are right it is usually burnt up clutches
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Old 10-08-2012, 07:41 PM   #9
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i am still waiting to hear how the trans swap went that Nathan was going to do with the 4L80E
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Old 10-09-2012, 05:40 AM   #10
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When was the last trans fluid and filter change? And do you have a Sonnex line pressure booster? It helped my OEM 03 trans to stop slipping as much under boost. Do you also have the Torque Management turned off in your tune?
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