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Old 05-22-2005, 08:02 AM
kjewer1 kjewer1 is offline
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Re: DSMlink experance is needed

Unless I missed something this should be for a 2g? The car in the sig is a 95, and the term "V2" should only apply to 2g DSMlink, since the 1g version is on its first revision, unless the client being the same for both types gives people the impression its v2. At any rate, I'm going to assume 2g.

Idle airflow is very close to the "correct" .27 grams per rev, which is good.

Timing is on the stock curve, but it is high because the airflow per rev drops to 1.3 by the end of the gear. Remeber that 2.1 is the threshold for the highest load maps, which results in the typical 16-17 degree max timing level. 23 is awefully high, but at such low airflow, the mitsu engineers deemed it safe and appropriate. More boost will take care of this ;o) 1g maps are actually a little less aggressive, since timing gets pulled back out over 6500 rpm or so! I think they may just be more agressive when you lower the airflow signal with an AFC or similar, which results in the huge timing numbers 1gs see, but this is just speculation. I havent seen the actual changes with airflow/rev anywhere.

There was a little wheelsping and then a bog on the launch. Doesnt matter, just thought I'd mention it.

There is a pretty good misfire in first gear, you can easily see it in AFR and front O2, and IOT and IDC (injector on time, and ijector duty cycle). Usually ignition related, plugs and/or wires. What gap are you running? The rich mixture could have just bollixed the plugs on the stutter box, since it was only a problem in first gear and the others look fine. Pretty common. But I would still shoot for about a 028 gap if you're not there already.

I like the fact that these logs go right to 7k. So may poeple post logs that are just half of the information. Thats about it for the current log.

About the future, like geek said, time for more boost! I would lean out now at low boost to 11:1. On stock fuel, and stock MAS (which has all indications of reading correctly) you can place reasonable trust in the DSMlink AFR calculation there. Old AFR divded by New AFR, minus 1, will give you the percentage change for your WOT sliders in the fuel table. 10/11-1, 9% will do it. Leave timing stock (zeroed). Start to raise boost a couple psi at a time watching for knock. At this low airflow level you could probably run over 12:1 and not hurt the motor, but its good practice.

A 14b should just fit inside the stock injectors limitations if you keep AFR at 11:1. At stock AFR it may run out of IDC sooner than the 30 lb limit. The stock pump on a 2g is pretty good, just be sure it is rewired. That changes everything. It will cover a 14Bs output, but again, watch the logs. Under "Dash" set your knock CEL for 3 degrees perhaps to be safe. 5 can be a little high. Fuel system upgrades are always a good idea though, so if you had any in mind, feel free.

If you want to figure out the Idle speed thing, log ISC Position and Learned Idle Adjust. In fact you are only captureing a few values, you could probably add mid and lo trims as well if you wanted to get into that stuff, but with stock fueling and MAS, you shouldnt have any changes to make. SOmetimes it can point out vac leaks and other small problems though...

Badass. We need more DSMlink logs on here.
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Kevin Jewer
RWD Talon - 7.92 at 180
Mightymax - 10.7 at 125
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