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Yep, I planned to modify that, it's practically non existent on this. Is there much to be gained with VVT and timing? Its a friends truck which started as just a trans tune and figured while I'm at...

First time tuning an E78 in a stock Silverado 2500. I've read all the basics on the ECM. Does anyone have a tune file they're willing to share before I dive into it? Would be appreciated, thanks!

First time tuning an E78 in a stock Silverado 2500. I've read all the basics on the ECM. Does anyone have a tune file they're willing to share before I dive into it? Would be appreciated, thanks!

As stated already low fluid will cause the issue, among other things like a leaky 1-2 accumulator, leaky servo seals, etc. The band won't take much of that before it leaves the chat itself. Band...

Without doing extensive testing, where I used to see a little above 150 steady state, is now 90ish or so. I didn't want to keep testing because of the slip but gathered enough to know what was going...

Thanks a lot man!

Anyone have an 06 SSR T56 tune file either stock or modified they are willing to share? Nothing in the repository. Thanks!

Thanks Alvin. I'm going to head back that direction. I'd rather sacrifice a little timing control up there than have to worry about what my transmission pressures are doing.

I think I'm going to end up going back to the old tune at this point. I was ok with giving up some resolution to get a little more timing control in boost but it's doesn't work out great. We still...

Also posted in V8 trans tuning... Anyone know how to possibly overcome this, short of an aftermarket TCM or deal with timing running off the table at 1.36g/cyl?

I have an E40 running the 2.5bar OS...

I can see your point. It was all an attempt gain a little better spark control under boost. I'm off the timing table by 10psi or so. Running 18 psi, I was hoping to gain a little by not having to...

Hey guys, I have an E40 running the 2.5bar OS that's scaled 50%. This was required to be able to use the spark table for controlling timing in higher boost levels. Originally was set up by halving...