PHP and Valve Bodies
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Elder User
Joined: Oct 2007
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From: NJ
PHP and Valve Bodies
Hi all,
So I'm really interested in a PHP tuner. I've heard that since PHP is a little milder than DP or the like that it is not necessary to have an aftermarket VB. I asked that question on the PHP forum. http://dygytalworld.ehost-services13...4428#post14428
Just wondering what you guys thought. I don't want to spend $250, but I REALLY don't want to blow up my trans. Just weighing cost vs. benefit.
Thanks,
So I'm really interested in a PHP tuner. I've heard that since PHP is a little milder than DP or the like that it is not necessary to have an aftermarket VB. I asked that question on the PHP forum. http://dygytalworld.ehost-services13...4428#post14428
Just wondering what you guys thought. I don't want to spend $250, but I REALLY don't want to blow up my trans. Just weighing cost vs. benefit.
Thanks,
Super Moderator
Joined: May 2004
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From: Central Coast of CA
None of the tuners mentioned require you to use an aftermarket valve body. Also, the use of a valve body will not guarantee your tranny won't take a dump.
A modified VB will help the 4R100 shift gears quicker, preventing clutch slip which creates heat, without asking the pump to increase the fluid line pressure, that's all. It's not a magic bullet that keeps a trans from grenading.
Stewart
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Post Fiend
Joined: Feb 2008
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From: Lancaster, Pa.
Or a John Wood VB, these guys are the two premier builders of transmissions. In a nutshell, if your going to get tunes from any of the guys mentioned above, do the VB or shift kit first, this way they can tune the chip for the VB-shift kit. The only VB you can get AFTER you get your tunes is the J.Wood VB and DP Tuner chip, this VB doesn't need to be retune'd. Reason, J. Wood and DP Tuner work together at times to keep their products matched, work together as you will.
Former Vendor
Joined: Apr 2008
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From: Beautiful Winder, GA
Hi all,
So I'm really interested in a PHP tuner. I've heard that since PHP is a little milder than DP or the like that it is not necessary to have an aftermarket VB. I asked that question on the PHP forum. http://dygytalworld.ehost-services13...4428#post14428
Just wondering what you guys thought. I don't want to spend $250, but I REALLY don't want to blow up my trans. Just weighing cost vs. benefit.
Thanks,
So I'm really interested in a PHP tuner. I've heard that since PHP is a little milder than DP or the like that it is not necessary to have an aftermarket VB. I asked that question on the PHP forum. http://dygytalworld.ehost-services13...4428#post14428
Just wondering what you guys thought. I don't want to spend $250, but I REALLY don't want to blow up my trans. Just weighing cost vs. benefit.
Thanks,
I'll answer over on our forum, too, for those who don't see this post.
Post Fiend
Joined: Feb 2007
Posts: 14,541
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From: Dallas-Ft. Worth
The TransGo is nothing to be afraid of. You only have to drill your own VB under certain circumstances. It's NOT a hard install by any means, but you have to know how to follow directions. They're not GREAT directions, but if you follow them to the letter, you won't screw anything up. You DO have to drill the calibration plate, and we have found that if you drill it close to the largest size recommended for the diesel engine, you'll get the shifts you want. Mine are all at the top of the range and the shifts are firm, crisp, but not neck-breaking or hard slams. I highly suggest you do the VB first, then get your tunes to match. It saves some shipping time and $$$ later (unless you have TW tunes and get free reburns 
, then you're just out shipping time).
, then you're just out shipping time).
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From: NJ
Thanks guys. I guess I'll have to decide between a Transgo or a VB. I've just heard there are a lot of little check ***** and such that are easily lost on the Transgo install. I know someone went over the install guide and made notes, anyone have a link? Also, if I do Transgo, should I do it before the chip, then tell Bill how big I drilled the holes?