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Sorry its a long log. The actual occurence where I test for the problem is at 11.20.23 20367. I go WOT from low revs.

Ok. Got the car back and that worked. Now has a blended tune. I went to the blended tune to get rid of a momentary lean that doesn't show up on a log, the car will faulter for a moment if you go...

Thanks Tre-Cool. I must have been lucky up to now.

Is that an E38 issue as I've not had to do that with E67 ecu with similar mods, Cam more boost etc.

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So just to confirm everything I drove for an hour in pure SD, MAF unplugged, checked fuel trims and driveability, all was good. I then switched to enable the MAF from 900 rpm up and...

I have a PD blown LS3 with a mild cam that I am retunind from the other software utilizing the MAF and EFI live's virtual VE. I have dialled in the MAF on its own and have disabled the MAF and built...

Not running Iridium.

Fuel Pressure is good, you'd. I did go from 7-6 in the NGK, catch 22 too cold when part throttle too hot under full load

I'm not running Iridium plugs now and still have the issue, shame you didn't see the mixture. I think it may be somehow related to the largish cam and lower compression, I have customers with VL's...

Thats more like what I'm thinking and seeing. The engine is 8.5:1 I've been told by the builder and the cam is 235/245 on 116. I did have Iridiums in it but am now using NGK TR plugs. Were you...

I though possibly ignition too but it dosen't miss under full load at 6400 rpm, only part load, it misses when you drive casually and under full noise initially but clears after a number of runs and...

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Yep I can, I don't have a log with wide band as I've been using the wideband on the dyno, the vehicle is on BP98 Its a short log with a power run and the long term fuel trims are disabled,...

I can only post a log in HP

Yes I agree, problem is the vehicles o2 sensors and my wide bands are all in agreement and with the bidirectional control if I push the mixture leaner their is a significant power loss. The tune...

I've a vehicle that's been doing my head in. It is a 6.6L cast iron Bottom end LS1 with a ProCharger 15 psi and a 235/245 cam on 116. It starts, idles and cruises well at light throttle in closed...

Yep, I was surprised at how quickly the deterioration back to the low octane table was even though the most KR logged was 0.6 degrees after removing the battery, after just a couple of drives the car...

Same issue, 2006 R8 307 6 speed auto, battery reset and it was good to go.

No I haven't, the problem seemd to start when the cam and heads went on though, I have repeatedly checked the cam sensor offset and it appears to be correct at 0 where I set it.

I have set the idle timing low at 800 RPM as it makes the engine more stable at idle due to the camshaft, it gives the pcm lots of room to move to add timing to prevent stall. I actually don't have...

I have a customer who's been chasing a fault where intermittantly the timing goes massivly retarded, into the negatives, we have replaced cam/crank sensors, I have done a relearn with a Snap On scan...

As I'm in Australia I have found it more difficult to source the First DVD and I would also like the second as it becomes available. Can I buy direct?

I have a 4wd dyno and that is not an issue, I have had to remove the ABS fuse in some vehicles to totally disable trac control. Just tuned a H2 6.0L with Magna Charger without major issue.

Yes , that's the problem I have now that I'd like to overcome, I'm looking into momentary pulse relays

I have converted a 4wd with a 4l80e and L94 and want to have a tell tale light to tell me when I'm in power mode, does the LS1 ecu have an output to indicate when the shift mode is engaged or not?

The log says it is in gear 6. Still dosen't help much as I lowered all gears with no success