Originally Posted by
oledoc2u
well, I wouldn't be interested for this slight of change, but if we could get in the 3.55 range....or up...it would be worth the investment....still watching and learning though...
Doc, it has been done already, in a few mercedes cars, they have gone from 2.65 to 3.46 and it is working ,, the work that i got done by euro charge, just did not work. I have now gone to the person that made the TCM change to begin with,, being that my car is a Crossfire, SL 55, E 55, mixture.it's a little harder to do unless you have a history of the car,. The reason the crossfire, meaning myself only has one other gear set that fits, the one from the limited which is a 3.27. Then 327 is what has to be. For now
Originally Posted by
waldig
Jim;
The difference between the 307 and 327 is the rotational speed of the wheels due to the gearing differences. I did a lot of study on this issue and planned to build a digital counter that could increase the wheel speed count or reduce it so as to make the computer think that the gear was not changed.
This would have solved the issue, but there would be a need to have two such converters to correct each rear wheel and started to look like a bunch of work, I decided to shelve the issue. Since then, when I had a moment to reflect on this problem, I decided to approach this differently.
Jim, you are the man to put my plan into effect; it might get you the rear ratio that you want to run. Have you compared the number of teeth on the NA and SRT to see if they are the same or are the count different. If the " TONE RINGS " have the same number of teeth, then this idea is not workable. IF they are different, then swapping the tone rings would correct the wheel speed pick-ups and make the 3.27 work as the computer would get the correct count that it was looking for.
Changing the computer will be an issue requiring new code to be written, not just a simple swap of parameters that tuners do.
SO let us know if the wheel speed tone rings are the same or different.....inquiring minds want to know.
ENJOY< W
DY
Woody answered your question above on why I am only going with a 3.27 that's why I'm doing this work to see what Chrysler 300 or Magnum or what other rear and I can get to fit in the car that will give me a different ratio, once this is accomplished, we can run any year we want, because we can buy the years, we can have the TCU reset, and it's ready to go.
ps I ran the car for well over a week with 327 in the car, on the street it seemed to work pretty good, I only had one problem and that was between second and third, I had little transmission slip, when I called Jerry at euro charge,for the second time,, he told me that he was tired of holding people's hand and told me that he had told me how to fix it and being that I didn't do that, for me to send it back to him,, ( I had taken the car over to Nemo's and we followed jerry's instructions, and it still didn't work) so guess what I sent it back.
now I'm getting the TCM done correctly. the first thing I was ask by this person, WHAT GEAR DO YOU WANT THE TCM SET FOR,, my answer was I only have a 3.27 gear set.. Woody I think you got a good idea but is no longer necessary to do all that work, all you need is a TCU from an SRT 6 it can be reset whatever gear you want, if you have a limited, all you need is a TCU from a limited, and it can be reset whatever gear you want,you are