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gen 2 diablosport nice unit!!

 
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  #11 (permalink)  
Old 10 Feb 2019, 03:39 am
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Default Re: gen 2 diablosport nice unit!!

Quote:
Originally Posted by sublimehemi View Post
ok...so yes i do plan to get a can tune for sure,i dont mind buying the the stage
1 computer for shifting and use in conjunction with ds, i had thought i read somewhere where you cant do this on 06? can i also send my original pcm out as well to one of the popular vendors or do i have to get mopar stage 1 to use in conjunction?

thanks for your help!!
One way of shifting harder / with less slippage is to increase the transmissions' main line pressure. This can be done with software re-calibration of the pressure transducer. I'm not sure if the PT Cruiser's automatic transmission has this capability but most other Chrysler automatic transmission products from this time period did.
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  #12 (permalink)  
Old 10 Feb 2019, 11:50 am
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Default Re: gen 2 diablosport nice unit!!

The stock A604/41TE. Making the stock 41TE shift harder may have adverse effects, and may BREAK internal parts.
The DiabloSport can effectively change the engines characteristic better then a pre-program "cloned" PCM from most tuners offering that. To see greater performance with a stock 41TE you should work on the complete intake and exhaust system to improve how quickly the maximum safe boost approximate 17.5 psi can be achieved and how long the boost levels can be held. Anything beyond this without all the consideration of support parts in the engine as well the transmission will end in a broken down ,busted PT Cruiser.
BTW there is a shift kit available which was designed to be used on a A604/41TE transmission that will improve the shifting slightly and most importantly safely without cause harm to the transmission.
I would also highly recomend should you still want to improve the transmission to get a quality hand build stall torque converter and new clutch pack.
I might want to add as I do not think I will respond again because reading this thread and a couple others resent like thread I know where they are all headed....should you get any PCM calibrated, ASK the exact changes that were done! Don't be surprised if you do not get anything except a generic answer. What a few of us found is that a few pre-programmed PCMs were simply being copied from the STAGE 1 and only but a couple simple changes that really did nothing to improve the engines power output or really anything else, maybe the exhaust "gurgle" where changed to call them different or custom.
I might close with adding that the DiabloSport is an investment that can be used in more ways then a simple one time PRE-Calibrated PCM and your chances of selling it later are far better then a PCM that has a limited market may fail?
I own and tested a aftermarket none Chrysler Lic. STAGE 1, have had a PCM programmed, and own a Diablosport. Have tested all 3 on a DYNO and have looked at the PCM cells comparing what was changed.
Without changes to the shift pattern or firmness on my basically stock 2005 GT and to specification health checked and verified engine and completely stock 41TE I can WOT launch hazing the peg leg tire, second gear will grab hard and break the tires traction momentarily during shifting.
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Last edited by NitroPT; 10 Feb 2019 at 12:52 pm. Reason: added picture
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Old 11 Feb 2019, 12:04 pm
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Default Re: gen 2 diablosport nice unit!!

Nitro, I didnít know you dyno tested different tunes?! What was gains from base line? Iím very curious!
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Old 11 Feb 2019, 03:52 pm
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Default Re: gen 2 diablosport nice unit!!

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Originally Posted by 808PTcruiser View Post
Nitro, I didnít know you dyno tested different tunes?! What was gains from base line? Iím very curious!
This is not a straight forward answer. During the testing I only had use of a tail pipe for AFR's. I did carefully set the DETLA and always do to the first runs. I do DYNO testing for testing added parts and supper tuning. I do not do them to post results for comparing other peoples results with their cars because there is NO comparison that can reasonably compared with.
I understand and I think I know what you want but I can only say that many engine parts that are suppose to add increases in engine output may or may not and the best way to confirm is with a DYNO test. Carefully looking at a DATA LOGGING session of a given engine speed and load can help an experienced EFI/ECU Performance Calibrator determine what may be needed to be adjust to help the parts increase the output levels. The STAGE 1 or having your PCM calibrated is like adding a "part" that may increase the engine power may only work slightly and may need further parts or a different PCM calibration to make your personal engine work better for more power.
This is a better argument for a tool that can make changes in the PCM directly by the user, much easier then sending your PCM out for a calibrator changes.

here is an example.....

If I run my Nitorus I go into the fueling and increase the levels as well the timing and kick back the timing. You can not do this with a pre-calibrated PCM.

When I want the highest engine efficiency for a trip for MPG I go and adjust area's in the PCM that will safely help increase my MPG. You can not do that with a pre-programmed PCM without a tool like the DS.
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Old 12 Feb 2019, 01:54 am
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Default Re: gen 2 diablosport nice unit!!

Quote:
Originally Posted by NitroPT View Post
This is not a straight forward answer. During the testing I only had use of a tail pipe for AFR's. I did carefully set the DETLA and always do to the first runs. I do DYNO testing for testing added parts and supper tuning. I do not do them to post results for comparing other peoples results with their cars because there is NO comparison that can reasonably compared with.
I understand and I think I know what you want but I can only say that many engine parts that are suppose to add increases in engine output may or may not and the best way to confirm is with a DYNO test. Carefully looking at a DATA LOGGING session of a given engine speed and load can help an experienced EFI/ECU Performance Calibrator determine what may be needed to be adjust to help the parts increase the output levels. The STAGE 1 or having your PCM calibrated is like adding a "part" that may increase the engine power may only work slightly and may need further parts or a different PCM calibration to make your personal engine work better for more power.
This is a better argument for a tool that can make changes in the PCM directly by the user, much easier then sending your PCM out for a calibrator changes.

here is an example.....

If I run my Nitorus I go into the fueling and increase the levels as well the timing and kick back the timing. You can not do this with a pre-calibrated PCM.

When I want the highest engine efficiency for a trip for MPG I go and adjust area's in the PCM that will safely help increase my MPG. You can not do that with a pre-programmed PCM without a tool like the DS.
Thatís not what I was trying to find out, Iím in a 1st grade and you in a college 😂 I just want to know what is 2+2 , not why x-2y makes 2 in a first place. I have simple mind, for example, I have factory rated hp (which of course varied from car to car) but still around 230hp and if I slap tune A, it has potential of 10-15% hp increase and that again will vary from car to car, even straight from the factory. Oh well, Iíll go back to kindergarten 😂
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  #16 (permalink)  
Old 12 Feb 2019, 09:28 am
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Default Re: gen 2 diablosport nice unit!!

The basic tunes available in the DS will give you about 20 HP gain....htis is the same as a pre-programmed PCM and also the Chrysler updated STAGE 1.

Depending on the *health of your engine and based on the PT Cruisers I have DYNO over the years comparing my results when comparing many other reports it is likely you have *close to 200hp @ 5700rpm (Turbo model GT not light) more likely around 190ish.

Factory reported specification, often tilted to advertise better. You need yo research to find out the exact method used to determine the method used for engine power output.

This is why if you are serious to invest in making more power to get a baseline and have the DYNO operator print the complete details including the base line DELTA set for your DYNO run so you can return later and see what increases you actually gained with your engine upgrades.

Or invest in an Autometer D-pic
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