Any long term pd trans results

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Oct 28, 2017
818
Monroe CT
#1
I purchased a pd unit from Jason months ago and now have to make some choices. I originally purchased the kit but ended up being told that euro trans has my kit and was notified it is mine , after multiple attempts "phone call a wk for month or two" I contacted Jason and he said i could have the clutches sent to me loose from them and he was contacting them, after that they responded so now im trying to decide if I spend the money to do it the supposedly right way or have a shop local install and just use xhp. I am looking for any first hand experience of either type of install and recommendations. I know alot had good experiences and Jason has been good but matreya had a bad experience with his install I believe the clutches are fine it was the converter and solenoids.
 

matreyia

Lieutenant
Apr 19, 2017
723
#2
I purchased a pd unit from Jason months ago and now have to make some choices. I originally purchased the kit but ended up being told that euro trans has my kit and was notified it is mine , after multiple attempts "phone call a wk for month or two" I contacted Jason and he said i could have the clutches sent to me loose from them and he was contacting them, after that they responded so now im trying to decide if I spend the money to do it the supposedly right way or have a shop local install and just use xhp. I am looking for any first hand experience of either type of install and recommendations. I know alot had good experiences and Jason has been good but matreya had a bad experience with his install I believe the clutches are fine it was the converter and solenoids.
I had to redo my solenoids, so sonnax kit for valve body and buy a refurbished torque converter from ZF dealer. XHP is pretty much useless at WOT so I reverted back to PD TCU flash. The stock TCU is smooth so far and the transmission itself has zero issues beyond the Eurotransmission bullshit place. I am lucky to have the know how to do all my own work.

I recommend finding a 6HP21 specialist shop to install all bushings and clutch packs. They have no instructions so the shop had better KNOW their shit AND have the exact 6hp21 bushing installation tools with built in depth limits for each and every bushing. Otherwise you risk transmission error and shift anomalies.

Also...you will need to know this:

 
Sep 13, 2018
14
Mass-RI
#3
I had to redo my solenoids, so sonnax kit for valve body and buy a refurbished torque converter from ZF dealer. XHP is pretty much useless at WOT so I reverted back to PD TCU flash. The stock TCU is smooth so far and the transmission itself has zero issues beyond the Eurotransmission bullshit place. I am lucky to have the know how to do all my own work.

I recommend finding a 6HP21 specialist shop to install all bushings and clutch packs. They have no instructions so the shop had better KNOW their shit AND have the exact 6hp21 bushing installation tools with built in depth limits for each and every bushing. Otherwise you risk transmission error and shift anomalies.

Also...you will need to know this:

I literally just tagged you in a post and this explains my question perfectly. Only this is I always drive in manual mode. Is xhp still useless at wot in steptronic. Is the 1-2 shift a lot more immediate?
 

matreyia

Lieutenant
Apr 19, 2017
723
#4
I literally just tagged you in a post and this explains my question perfectly. Only this is I always drive in manual mode. Is xhp still useless at wot in steptronic. Is the 1-2 shift a lot more immediate?
The problem for my specific situation is that xHP is useless in any mode IF I go WOT. it is fine in normal driving and is faster shifts. When going high power or WOT, I get lurching, hesitation, clunky shifting so much so that the car feels like it goes backwards before going forward. And feel like the transmission is gettig damaged. So I just use the PD settings. My priority is SMOOTH shifting over faster shifts.

It happens in manual mode too if too much power is applied.

 
Jul 3, 2018
297
#5
The problem for my specific situation is that xHP is useless in any mode IF I go WOT. it is fine in normal driving and is faster shifts. When going high power or WOT, I get lurching, hesitation, clunky shifting so much so that the car feels like it goes backwards before going forward. And feel like the transmission is gettig damaged. So I just use the PD settings. My priority is SMOOTH shifting over faster shifts.

It happens in manual mode too if too much power is applied.

Matreyia, I remember when you posted that video and your thread about XHP not working for you with the PD trans - is that still the case after getting your valve body and TC fixed? I dont quite remember the timeline there.

@Rob09msport while I haven't seen many long term results either (especially so of them being put to good use), I do know one of the FB regulars has had great success with his for the past ~9-10 months and beating on it too. He's posted severap videos both of running it at the 1/4 and runs in 'Mexico', he even uses XHP, 15" tires on drag radials and the WOTBox too I believe.
 

matreyia

Lieutenant
Apr 19, 2017
723
#6
Matreyia, I remember when you posted that video and your thread about XHP not working for you with the PD trans - is that still the case after getting your valve body and TC fixed? I dont quite remember the timeline there.

@Rob09msport while I haven't seen many long term results either (especially so of them being put to good use), I do know one of the FB regulars has had great success with his for the past ~9-10 months and beating on it too. He's posted severap videos both of running it at the 1/4 and runs in 'Mexico', he even uses XHP, 15" tires on drag radials and the WOTBox too I believe.
Nope. XHP is still useless for me at high power. the Valvebody sonnax kit was done because I was suspicious that the Eurotrans guy wasn't honest. So I did it for peace of mind...and I did find worn out innards when I did the sonnax kit.

For my specific situation, so long as I use the PD transmission software, there are no issues...it's only when xHP is used that the shit falls apart upon high power application. I hear things about custom TCU tunes but have yet to see one or know anyone who can actually do it. If xHP could not give me a custom tune...it is either not possible, or they don't want to do it.

To compensate and improve shift engagement and shift times, I use Sprint Booster on #7 Sport Mode or #3 Race Mode. At this point, I really don't even want to deal with xHP...their service is flakey so far. First they get you excited about getting a custom tune...then they suddenly turn left and send a terse email saying simply, "Sorry, you have to use stock flash." <---- wtf? OK, whatever guys.
 
Jul 3, 2018
297
#7
Nope. XHP is still useless for me at high power. the Valvebody sonnax kit was done because I was suspicious that the Eurotrans guy wasn't honest. So I did it for peace of mind...and I did find worn out innards when I did the sonnax kit.

For my specific situation, so long as I use the PD transmission software, there are no issues...it's only when xHP is used that the shit falls apart upon high power application. I hear things about custom TCU tunes but have yet to see one or know anyone who can actually do it. If xHP could not give me a custom tune...it is either not possible, or they don't want to do it.

To compensate and improve shift engagement and shift times, I use Sprint Booster on #7 Sport Mode or #3 Race Mode. At this point, I really don't even want to deal with xHP...their service is flakey so far. First they get you excited about getting a custom tune...then they suddenly turn left and send a terse email saying simply, "Sorry, you have to use stock flash." <---- wtf? OK, whatever guys.
I believe they stopped offering custom tunes for any "standard" engine/trans combos since the customization module came out and offers a lot of versatility. Obviously the PD trans isn't standard in the sense of factory, but I dont believe they do custom N54/6HP21 tunes - only custom tunes for trans swaps etc.

While I would personally try out the customization module if I was in your shoes, I also dont blame you for not particularly wanting to. I think the product they offer is amazing but I agree with you about them lacking in the customer service department. I dont know if the same people doing the tuning and programming are the ones who do the customer communication or not (hopefully not), and maybe I'm extra picky having run my own company and now working in management for a highly rated fortune 500, but I've had a few spotty at best interactions with whoever runs their public accounts. Between super late replys with no pertinent info, no reply, or arguing about what I and other people "really want" after suggesting things (once back on E90P about shift speed increases or customization, and now with trans brake research) I think customer service is definitely an area of improvement for them.
 

matreyia

Lieutenant
Apr 19, 2017
723
#8
I believe they stopped offering custom tunes for any "standard" engine/trans combos since the customization module came out and offers a lot of versatility. Obviously the PD trans isn't standard in the sense of factory, but I dont believe they do custom N54/6HP21 tunes - only custom tunes for trans swaps etc.

While I would personally try out the customization module if I was in your shoes, I also dont blame you for not particularly wanting to. I think the product they offer is amazing but I agree with you about them lacking in the customer service department. I dont know if the same people doing the tuning and programming are the ones who do the customer communication or not (hopefully not), and maybe I'm extra picky having run my own company and now working in management for a highly rated fortune 500, but I've had a few spotty at best interactions with whoever runs their public accounts. Between super late replys with no pertinent info, no reply, or arguing about what I and other people "really want" after suggesting things (once back on E90P about shift speed increases or customization, and now with trans brake research) I think customer service is definitely an area of improvement for them.
I believe I have that module already...no idea what settings to mess with though. Tried a couple of increased and a couple of decreases rpm, shift speeds etc... didn't seem to do much at all. I keep it for the gear display...that's about it.
 

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