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Ok got mine right where I want it. Pulled 100 usec from the pulse width as my latency, pulled my desired percentage and then put 100 usec back in. 37.5% worked great for my 60 overs. Once I got that...

Thanks Ferm. That's some good info.:)

Thanks Ferm. I'm still figuring this out myself. The MAF adjustment idea I got from Zach at Starlight Diesel. It allowed me to get mine to quit rattling at low boost and cruising.
I did the math &...

I'm in the same boat you are. I Just rebuilt my motor, 60% over nozzles, bigger turbo, etc. What I did right off was just adjust B0201 MAF Flow Rate. This allows you to pull back fuel all over the...

Wait a minute......googled it and found the answer in about 180000000 microseconds:cheers:

StinkyDog,
I'd be interested in that spreadsheet you wrote. Haven't found how to convert us to cad yet. Not much smart:doh2:

I had the same thing happen to me on an LB7. Something went wrong while full flashing a customer's truck & I wasn't able to recover the ecm. To help the guy out I let him use the ecm out of my LB7...

Same

How about boost staging limit like we get in the DSP. Maybe along with CSP have a CSP staging limit.

I bet you guys already thought of that. Great work on what you've got rolling already! Almost...

Sounds like the ford thing might already be happening. Isn't Someguy dropping a Cummins in an f-350? IMO that's the only good way to own and drive a ford anyway.
Sorry to stay off subject. I was...

08 G8 GT. Tuned T43 once a few months ago and all was fine. Returned back to stock and last week flashed in a tune I'd been working on. The first time I flashed it I waited for the TCM to return to...

No more posts since the update. I'm assuming the RPM bouncing adventure is over for all of us.

Good update! You guys always have our back.

Wait a minute. Working on another LBZ and that return line isn't rubber. It's that's really good, multi layered cotton covered hose I see all the time on heavy equipment hydraulic systems. That...

As far as the pressure building too high for the injector o-rings, this has the same effect as installing the race fuel valve to eliminate the pressure relief. But as for the rubber line, now that is...

It sounds kinda dumb but a good buddy of mine worked at GM for 10 years and now has his own shop and that's the way he's always checked it. It has worked for me you just have to be careful not not...

You can rule out the VATS speculation. In theft mode the truck will fire and die. The fuel delivery system is mechanical aside from the actual injectors. Even the pressure relief is mechanical....

Losing fuel prime isn't uncommon on a Duramax. Since the fuel system isn't pressurized before the CP3 pump any leak at all, most commonly by the fuel filter or housing, will allow air to get in and...

I've noticed on some box tuners, IE the predator, it doesn't save the stock tune file when you I program the truck. The way I figure the tuner has a "stock like" tune that it flashes back when I...

OK I get it now. Thanks a lot for that info Al. Disabling the VATS actually turned off the security light too.

OK it's alive once again. Disabling the theft deterrant fixed my problem. I've brought Duramax's back to life this way before but I wasn't sure this time. When the others had VATS problems there was...

This truck did have the security light on from the previous owner's attempt at installing a remote start. It always started and ran fine even with the security light on. I wonder if this is the VATS...

Need help. 98 5.7L Vortec will not stay running. Connected and logged data several times but after I retrieved the stock tune file it will not run. It starts and shuts back down. Allowed 15 seconds...

Best way is just to select all 8 injector balance flow rates in your pid selection file and once you're connected go to Data and watch your balance rate at idle. You can only check balance rates at...

Quick way to find out if it's caused by the prv is to stick some needle nose vise grips on the return line after the prv. Pinching it off there eliminates the need to disassemble anything but still...

Are 2010 and 2011 6.7s included? I have several 2011s in the fleet I manage that we haven't deleted yet that I could throw at ya.