Sign in to follow this  
Tightmopedman9

Tuners Rejoice! Free Tuning For M4.4!

Recommended Posts

No, like which values would it use when in WOT.

Highest load on the load axis?

What ever the load and RPM dictate. It is possible to be WOT and below 8ms of load.

Share this post


Link to post
Share on other sites

Ok, idiot question of the night. Is there a overboost/load table? If so is it the "Overcharge-Load" table?

I set the pressure ratio map super high and it didn't really do anything. Pretty much stayed stock which is when i first give it WOT it spikes to about 13-14psi and the levels out at around 10psi. I am being real cautious with this and asking before i dig too deep.

Share this post


Link to post
Share on other sites

Ok, idiot question of the night. Is there a overboost/load table? If so is it the "Overcharge-Load" table?

I set the pressure ratio map super high and it didn't really do anything. Pretty much stayed stock which is when i first give it WOT it spikes to about 13-14psi and the levels out at around 10psi. I am being real cautious with this and asking before i dig too deep.

Set RPM diagnosis of overboost to 7500.

Set all values of overcharge-load to 12.

Report back with how those differences affected things.

Share this post


Link to post
Share on other sites

Ok, idiot question of the night. Is there a overboost/load table? If so is it the "Overcharge-Load" table?

I set the pressure ratio map super high and it didn't really do anything. Pretty much stayed stock which is when i first give it WOT it spikes to about 13-14psi and the levels out at around 10psi. I am being real cautious with this and asking before i dig too deep.

Wouldnt increasing the requested pressure ratio map, increase requested load which would in terms increase boost? Confused at why you arnt seeing an increase in power, unless you didnt increase the values in the parts of the map you were driving in.

Share this post


Link to post
Share on other sites

Wouldnt increasing the requested pressure ratio map, increase requested load which would in terms increase boost? Confused at why you arnt seeing an increase in power, unless you didnt increase the values in the parts of the map you were driving in.

I didn't change the Overcharge load table which would limit the load/boost

Share this post


Link to post
Share on other sites

I didn't change the Overcharge load table which would limit the load/boost

Makes sense now.

Also raising or maxing Overchage load, and then maxing RPM diagnostics and load difference for overboost will effectively "remove" fuel limiters aka fuel cut.

Share this post


Link to post
Share on other sites

It turns out I made a mistake with regards to the load limiters. I removed two extraneous limiters and changed the Overcharge-Load to the correct offset. .xdf has been updated.

Share this post


Link to post
Share on other sites

So now the only limiter is overcharge load?

and RPM for diagnosis of overboost.

Share this post


Link to post
Share on other sites

I just compiled a list of every map referenced by the main RPM axis. I am now working on seeing which ones will need to be modified if the RPM axis is modified and which ones don't matter.

Also, as for scaling for a larger MAF, I think I just figured it out yesterday and it is quite simple. Just scale all three load axis's by the ratio of (old area)/(new area). It will decrease all of the load values, but no map modification would be necessary However, you would still be going over the maximal value of load unless you adjust the axis to go higher, which would require the modification of maps.

Does anyone have a larger MAF they could test out? I could send a modified .bin for testing purposes.

Edited by Tightmopedman9

Share this post


Link to post
Share on other sites

I already have a larger 960 style maf, I could get the bin file for you if you want, I just need to get it off my computer at work.



EDIT - it's already been adjusted for the size.

Share this post


Link to post
Share on other sites

A 610 ecu from a 98 s70 glt will work correct? All s70 glts are turbo I believe so that means m4.4

Yes. 98 glts are all turbo and m4.4.

  • Upvote 1

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Sign in to follow this