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Old 08-30-2015, 01:32 AM
n54power n54power is offline
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Default hydra tuning -modified valve body vs non

Yes I've searched but no real answers.

Im.seeing a modified valve body option for each tune. Is there a benefit or downside to this.
I have a built trans but I'm not sure on the valve body used
Since the standard tune would increase line pressure, would this be a a safe option?
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  #2  
Old 08-30-2015, 05:04 AM
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Imo, if a trans is "built," theoretically it should have a "modified" valve body.
You don't know who built the trans, nor what they did to it?

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Old 08-30-2015, 09:15 AM
Northwoods2002 Northwoods2002 is offline
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While I rebuilt my own 4r100 and use the modified valve body (transgo tugger) tunes, I've often wondered how much line pressure php has in the stock tunes and if it would be detrimental to a modified transmission. Maybe Mark K or PHP will chime in?
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2002 F250 7.3 Extended Cab Lariat Long Bed - AIS Air Intake; MBRP 4" Stainless turbo-back exhaust; Glowshift triple pillar w/EGT,ATtemp,boost; Racer X Eagle Modified Converter; 4R100 Completely rebuilt with upgraded H.D. internals and Tugger VB kit; Hydra Chip with PHP tunes
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Old 08-30-2015, 09:26 AM
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This is where its good for trans guys to talk to tuners. Will Bill do this?
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  #5  
Old 08-30-2015, 12:04 PM
n54power n54power is offline
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The trans was built shortly before I bought the truck.goerend parts were used. The trans has about on it.
I'm religious on maintenance so it's healthy. I have been thinking about updating the valve body.
Going from a php FU with no valvebody tune options to the hydra with them I added a each to it.
Using the standard and modified I'll see how it deives
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00 f250 ccsb
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6" w/37" tires
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Old 08-30-2015, 12:35 PM
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When I installed the trango tugger kit Matt just said to see how it drove before getting a reburn. It drove and shifted great so I just left it
When I sent my chip in for the injectors- standard TS chip, I told them about the Trans mods but it shifts just like it did so I don't know if they changed much..

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Old 08-30-2015, 02:01 PM
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I would start with the standard, non valve body tunes, and see where that gets you. Shift firmness is really the difference between the tunes and we have found quite often with John Woods transmissions and PHP tuning that the standard tunes work AWESOME. We rarely install the valve body tunes, I like the crisp tight shifts that you can feel.
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Old 08-30-2015, 03:03 PM
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I know the JW valve bodies that you buy from the vendors are setup for the tuner to add the line pressure desired. I tried the php "modified vb." tune and it shifted very soft and slow.
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Old 08-30-2015, 10:44 PM
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Good to know,thanks.
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Old 08-31-2015, 07:51 AM
Northwoods2002 Northwoods2002 is offline
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Ummm, this makes me wonder if I should recalibrate my hydra with a normal tune for comparison...
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  #11  
Old 08-31-2015, 08:46 AM
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the main thing on the trans build/valvebody is how big the holes in the separator plate are and the linemod valve used. For the love of GOD... do not ever use the .5xx" line mod valve. it is not needed.
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Old 08-31-2015, 08:49 PM
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Quote:
Originally Posted by ******** View Post
the main thing on the trans build/valvebody is how big the holes in the separator plate are and the linemod valve used. For the love of GOD... do not ever use the .5xx" line mod valve. it is not needed.
Yup the .500 line mod valve is good for one thing. breaking ****.
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Old 09-01-2015, 06:52 AM
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What line mod valve is recommended? Something like .372 or .427 ?
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Old 09-01-2015, 09:28 PM
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.372 with good tuning works perfect.
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old antiquated pos with some crap bw s467 fmw,irate rr/full fuel system,full force 350/200 injectors,irate SS gated t4 mount,arp studs,smith bro push rods,comp 910's, gen3, twin ipr's, ams1000 with co2, champion built 4r100,tuned by bill, etc
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Old 09-01-2015, 11:18 PM
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If you have really grippy clutches and a lot of them you don't even need the 427. On mild builds the 427 is okay.
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Old 09-02-2015, 12:49 PM
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Thanks for sharing. I have an appointment with a transmission builder next week and am trying to gather as much information as possible.
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  #17  
Old 05-14-2018, 05:54 PM
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I just installed the PHP Hydra on my '00 F350 7.3. I see this has been a question that has been around for some time bu I don't really see a clear answer. I am not the original owner of the truck. Yes it has had a shift kit if some sort put in it but the original owner (whom I happen to know) does not remember what all was done inside the tranny. When using the tunes that are not listed as "modified valve body tunes", my truck shifts super hard..... So much to the point that it is concerning. I haven't used a modified valve body tune yet simply because I do not know what the differences are. I have since went back to the default 00 tune until I get this figured out because I don't want to potentially damage my truck.

Does anyone have any further information on this?

Thanks...

Last edited by bassthumper; 05-14-2018 at 06:03 PM.
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Old 05-14-2018, 08:12 PM
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So try one for a modified VB......

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2003 F250 KR SCSB FX4
Depleted, studded, airdog (which isn't currently hooked up), fass regulated return, airaide, 4 inch straight pipe with mbrp muffler(so on to go), glowchit pyro, fuel, boost, and trans temp. (Of course don't work lol) Hercules terra track A/T2 315/70/17.
2013 Honda pilot Touring
http://badges.fuelly.com/images/sig-us/778639.png
http://badges.fuelly.com/images/sig-us/776628.png
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Old 05-15-2018, 06:25 AM
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My concern is since I do not know exactly what is there if it will damage anything. That is causing inadvertent damage.
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Old 05-15-2018, 07:14 AM
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Quote:
Originally Posted by bassthumper View Post
My concern is since I do not know exactly what is there if it will damage anything. That is causing inadvertent damage.


If so, buy a vb you would know the
History of from BTS.DIESELSITE.JW.SamWyse. feed thay directly to the tuner and be done with ti.


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Old 05-15-2018, 07:23 AM
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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.
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Old 05-15-2018, 07:29 AM
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Quote:
Originally Posted by bassthumper View Post
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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Old 05-15-2018, 07:43 AM
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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.
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1994 F250 SCLB
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Old 05-15-2018, 09:12 AM
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Quote:
Originally Posted by mandkole View Post
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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2003 F250 KR SCSB FX4
Depleted, studded, airdog (which isn't currently hooked up), fass regulated return, airaide, 4 inch straight pipe with mbrp muffler(so on to go), glowchit pyro, fuel, boost, and trans temp. (Of course don't work lol) Hercules terra track A/T2 315/70/17.
2013 Honda pilot Touring
http://badges.fuelly.com/images/sig-us/778639.png
http://badges.fuelly.com/images/sig-us/776628.png
  #25  
Old 05-17-2018, 10:06 AM
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Quote:
Originally Posted by 79jasper View Post
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.
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Old 05-17-2018, 07:49 PM
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Thanks guys for the clarification.. 👍
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