hydra tuning -modified valve body vs non

bassthumper · May 15, 2018

If thats my option only then i will just go in it and find out the vb thats installed...... my question is more related to the tunes which no one has answered.

i appreciate the info. i will probably just go in the tranny at some point and research it.

DieselDC · May 15, 2018

bassthumper said:
If thats my option only then i will just go in it and find out the vb thats installed...... my question is more related to the tunes which no one has answered.

i appreciate the info. i will probably just go in the tranny at some point and research it.

Php will give you a custom tune per Transmission specs. I used a transgo kit and they wanted to know specifically what components were used. Gave it to them and the result is a transmission that shifts as smooth as my BTS 4r100.

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mandkole · May 15, 2018

If you even remotely think the VB or trans is modded (has line risers, etc.. ) automatically select no trans tuning for your engine tuning package. To me, risers in the tunes are just another way to kill a perfectly good stock trans.

79jasper · May 15, 2018

mandkole said:
If you even remotely think the VB or trans is modded (has line risers, etc.. ) automatically select no trans tuning for your engine tuning package. To me, risers in the tunes are just another way to kill a perfectly good stock trans.

Wouldn't it be the other way around?
Since typically tunes for a auto have already been customized. So maybe "w/modified valvebody" is lesser trans tuning/lower line pressure?

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Derek@Vision Diesel · May 17, 2018

79jasper said:
Wouldn't it be the other way around?
Since typically tunes for a auto have already been customized. So maybe "w/modified valvebody" is lesser trans tuning/lower line pressure?

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Correct.

If you have line pressure being raised mechanically in the transmission you would select "w/modified valvebody". This will lessen the added pressure from the tune.