[Notch1320]

Lately, my trans has been shifting very strangly. The only tranny mod I have is a FTVB. I love the firmness, but sometimes I get a shift flare, (rise in RPM) when going from the 3 to 4 shift, and lately it seems to be very erratic. Could this be something in the FTVB acting up, or maybe a solenoid in the trans? Also, I feel dumb for asking, but the dipstick on the trans has cold and hot ranges. Is this for checking the fluid level with the motor off, and them while running? I have always check auto trannys with the engine running, and with everything warmed up.

 

[TheHammer69]

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Lately, my trans has been shifting very strangly. The only tranny mod I have is a FTVB. I love the firmness, but sometimes I get a shift flare, (rise in RPM) when going from the 3 to 4 shift, and lately it seems to be very erratic. Could this be something in the FTVB acting up, or maybe a solenoid in the trans? Also, I feel dumb for asking, but the dipstick on the trans has cold and hot ranges. Is this for checking the fluid level with the motor off, and them while running? I have always check auto trannys with the engine running, and with everything warmed up.

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you always check ATF level with truck running after moving the Gear shift lever in reverse and drive for a few seconds each. The cold is for a cold transmission such as the start of the day and hot is for after you have driven around for a while (not up the street and back).

The shift flare issue may be fixable with custom programming. If not, then a BTS valve body may be in order instead.

Hammer