DSM Link and automatic tranny question

[wakesk8te]

Will the DSM Link work with a auto tranny? I'll want to change my shift points... and what would be a good RPM to go with..

I know high RPMs on a auto is a must... but how is it possible..

and will the regular socketed ECU work?

 

[blackbyrd]

Yes, dsmlink will work on an automatic. I'm not sure if dsmlink will allow you to change your shiftpoint, you'd have to ask them. But, you could always get a manual shifter and shift when you please.
And you need a socketed, EPROM ecu, to put a dsmlink chip into.

 

[92tsibacker]

Just shift that bad boy out Yourself thats what i do to mine and it works just fine.

 

[wakesk8te]

so no changing of shift points? man.... that sticks...

it makes it so much more consistant to be able to set a RPM to shift.. and easier to control from over reving

and to think, I could program my pontiac grand prix (not known as a popular tuner) to shift when and how I wanted..


I'd rather just have a manual..

 

[chicagoavenger]

Will the DSM Link work with a auto tranny? I'll want to change my shift points... and what would be a good RPM to go with..

I know high RPMs on a auto is a must... but how is it possible..

and will the regular socketed ECU work?

go to dsmlink.com for more info but on a 1g auto dsmlink is not supported according to their website not sure if your 1st gen or second

http://dsmlink.com/announce1g.html

 

[blackbyrd]

The 1G is supported however. I've been talking to them, they're supposed to be removing that. They put that on there years ago before they understood the difference in how the automatic ECU works to a manual. They do compensate for a timing retard durring shifting, as is the main difference in the automatic. Several 1G automatic's are using DSMlink.

They're email to me:
I should remove that comment from the website. It was put there before
we fully understood the differences between the AT and manual codebases.
But now that we know the two are actually *very* similar, I don't see
any problem running the manual codebase (what DSMLink is based on) in an
automatic vehicle. You will just need to keep in mind that the manual
codebase assumes 37psi base fuel pressure while your automatic is
running 43.5 from the factory.


FWIW, there are several DSMLink users running DSMLink in their 1G
automatics.

No real difference in cam timing as far as the ECU is concerned. As for
timing retard while shifting, we do reset knock retard during a no lift
to shift operation, yes.

 

[jabinya]

You will just need to keep in mind that the manual
codebase assumes 37psi base fuel pressure while your automatic is
running 43.5 from the factory.

Is this true for the 2Gs?

 

[blackbyrd]

I believe all 2g's base fuel pressure is 43.5psi.

 

[1G-3G Eclipses]

What sort of problems could the auto retardation of timing during shifting cause for us autos?

 

[Rice Over Wheat]

DSMlink just removes how the ecu resets timing to 0 when shifting to a new gear. For one thing it makes tuning a heck of a lot easier and the power delivery is smoother.

so no changing of shift points? man.... that sticks...

it makes it so much more consistant to be able to set a RPM to shift.. and easier to control from over reving


I'd rather just have a manual..

Like someone already mentioned, you can get the RMT manumatic mod. Either search these forums and do it yourself or there's a guy on ebay you builds them in a nice convenient package where you just install it with a bit of wiring...I bought mine for $70 but he's been raising the price since.

And btw, a fully built auto is a pleasure to drive. If you haven't invested in that (generally $1500 to $2500+ for the works) then you shouldn't be looking into a manumatic anyway. Supporting mods first. A lot of guys on dsmlink forums are converting to built autos for consistent track runs.