lately my tranny seems to be acting funny.say if i am in second gear it seems like it is taking to long to shift into third.my rpm's are alot higher between shifts so today when i was in second i thought i would try something.i put it to the floor, it hesitated for a second and then went in first and then it went in second like one second later.it seems like what ever controls the shifting is acting funny.i have a 700r4 with 200,000.i am going to rebuild soon and would like some input on transgo kits ,shift kits,servo's,torque converter.i am putting in a 355 with 400 horse and a 268 cam.help on some or all questions would help me on some decisions

 

Common problem. No easy solution. More than one cause.

Possible maladjusted TV cable is the cause you hope for, since it doesn't require you to rebuild the transmission.

Old or contaminated fluid, possibly in combination with a clogged filter could cause low line pressure and a very slow 2->3 upshift.

Valve body problems, a weak/failing front pump, worn forward and/or 3-4 clutches (rebuild time).

Normal operation when you floor it. Basically the TV cable is connected to the throttle. If you gun it, the TV cable contracts fully, telling the transmission that you have it floored. It downshifts to the next lower gear until the line pressure overcomes the TV pressure, which causes an upshift. If you happened to have floored it at such a time that the 2->1 downshift caused the motor to be up at like 5000RPM then the line pressure will be such that within a second or two it will cause an upshift.

However if your TV cable is too tight or too loose than the transmission has the wrong idea about where the throttle is at. Again, search is your friend to find the TV adjust procedure.

In short, check and properly adjust the TV cable (search is your friend), then change the fluid/filter. If no change, then rebuild the transmission.

 

as from trans parts for a rebuild go on 700Raptor.com and reqad through their website site has alot of good info and their prices are really good their are also called PATC if your building a 400HP 355 then i would recommend the 5 pinion planetary cause im making 350HP at the fly and i took out my planetary im going to have to take some pics and put them on here if you have any questions at all call them up they will answer any of them i spent like 45 mins and the guy wasnt even rushing me just to buy something and get off the phone ill update you as soon as i get my trans done tell him your with thirdgen.org he might give you a discount but i dont know good luck Thanks Daniel

 

can they go out of adjustment even though i haven't touch anything?i'll change the fluid and filter and hope i have a clogged filter.well i didnt change the fluid or filter yet but i did try to adjust my cable.i pushed in the tang and while doing this i opened it up wide open throttle let go of the tang.took it for a ride and it was worse.what am i doing wrong and will someone tell me the right way to do this

 

Yes, the TV cable can stretch over time, be broken and you having never touched it.

Did you press the gas pedal or just tweak the throttle at the throttle body under the hood?

You should be pressing the gas in the car since the TB allows more movement than pedal push allows.

Your actually doing it almost exactly right, your problem is one of the other causes I listed above.... rebuild time if the fluid/filter doesn't do it. I suppose it could be a broken (1 or both of them) accumulator spring, and thats in the valve body, but the 2nd one isn't easily accessible.