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What can affect the coast clutch apply pressure? After I got the trans back in , I have a tow haul tune that I use to could feel the coast clutch come on pretty solid while coming to a stop . Now I can feel it but just very lightly. It’s coming on when I cut the overdrive off and when I manually...

Update on on this , transmission is fixed , problem was the outer seal in the forward clutch drum , it it air checked as good as any I’ve done . All pressures looked good

Trans pressure Idle and neutral 60psi Reverse 85 psi OD 60 psi 2 60 psi 95 psi At stall speed Reverse 275 psi OD 165 psi 2 165 psi 1 170 psi On the interstate driving 60 mph if I go to the floor with the pedal it shifts down and when it shifts back up it hits 170 on the OD shift

, I’ve rebuilt this transmission once before and didn’t have any problems , so 2 weeks ago I decided to freshen it up , after tear down, the intermediate and overdrive clutches had a some hot spots but nothing major wrong . I replaced those and checked all others . I got ready to put the pump...

I rebuilt my 7.3 diesel 4r100 , I’ve rebuilt several 4r100s This one has been a bear , after I got it installed and took a test drive when if tried to shift it binds like putting on the brakes , if I put it in 2 it just drives there no binding feeling , can the solenoid pack or range sensor...

I checked the pressures and 1st was a little low at stall speed . All others was in spec . Do you have any suggestions on why 1st is low on psi

4r100 pump Do you think by me swapping pump half’s could cause a slight pressure lose , the transmission does not shift as hard and it very noticeable on the 3-4 as it slides then bangs on the shift at 3/4 throttle . I guessing there’s a issue with the pump half or a Teflon sealing ring

Mark , can you tell me the difference in the. E99 pump body . I changed the front half that has the bushing and seal and now the transmission has soft shifts , needing to to figure this out

Mark , can you tell me the difference in the. E99 pump body . I changed the front half that has the bushing and seal and now the transmission has soft shifts , needing to to figure this out

Nvk4 I would like ask you a few questions about this ,,,my early 99 has a nvk4 pcm and feels like it shifts hard , also i took a different nvk4 pcm out is a friends truck and it runs different, actually runs stronger ,for what ever reason . I’m thinking my nvk4 had been updated to nvk5 , but...

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You like Jody’s tunes ? I’ve been thinking about giving him a call

Tune update Trans tuning ain't as good as ********S , engine tuning is as good

I have ********s , php , sdk , Tryrant , TDP , H&H tunes , I like ********s transmission tuning an SDK engine tuning , trying to find something with good power and good trans tuning , PHP tunes need a revision with the trans tuning , but there customer service is kinda poor these days , can't...

What tune did you like best

Any one resently got powerstruck tunes, how you like them compared to others

:poke:

Was this the mb 17 or 20 that help more than the t500?

Hand calculation same fuel staition same pump 394 miles 23.15 gallons and didn't just let it click off , force fed it , 17.01 miles to a gallon e99 4 door long bed dually automatic transmission 373 gear mixed driving not over 69 miles an hour . No chip , banks 3.5 exhaust s&b intake nvk4 pcm

Didn't work for me , I installed NVK4 dpc 422 in my early 99 , pulled the instrument cluster and checked the bulb ,Wish it would work ,really like how it runs and shifts now , in the process of manually checking fuel mileage , today went little over 200 miles on a quarter tank , not filling up...