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oh wow!! thanks a million Flame! That is exactly the info i was looking for.

oh yeah, as per my title, i was thinking it has to be tied in with the flex fuel sensor. it must be triggering something when it senses fuel being added to the tank. its really really mind boggling.

Hello, i have a super weird problem maybe somebody could help me out with. I did a tune on a 2008 silverado with a roush supercharger. Everything runs perfect, the truck hits its 11 something...

I would actually get a lot more agressive on the low end timing once you verify air to fuel and loading is good.. with a turbo car you can pretty well run NA timing below 2,000 rpm to help it get on...

to me it looks safe anyways.. just make sure the car is loading properly before any heavy pulls, or even go into your engine displacement and lower the displacement value a bit to make sure it is...

you need to set the mbt table to what timing values you want... if you set your borderline table to say 18 degrees all the way across, and your mbt table is 16 all the way across, it will not run...

Can anybody tell me what the Factory ECU in a 2001 Sivlerado with a 5.3 uses to produce the Tach output white wire signal?

I am splicing a BIG Stuff 3 system into the factory wiring to control the...

It is going back to stock for the dealership to figure out. I am done with this thing and the truck only has like 14 thousand miles on it so it is covered.

I will let everyone know what the...

Poor light throttle performance with hesitation. Once the MAF is put into the draw through location on the supercharger, the truck becomes extremely irratic and hunts all over the place on idle and...

Hello,

I am trying to tune an 05 colorado that came in with a supercharger and running like crap. At first it looked like a dirty air signal through the MAF, but I have since returned the air...

Thanks a ton again for the time Bill, the customer is smiling with the results.

Cheers,

Martin

LOL, you did indeed say to zero everything out and I forgot the torque switches. I just tuned one of these Vortec Maxs last week and it had no problem at all going into PE. :confused:

Thanks a...

Oh, and here is the Magnacharger supplied tune first, and my quicky from scratch tune second.

The second tune is one I threw together quickly with the Blower spark tables and from what I can see...

I will do that for sure. What would you like to see logged? I really appreciate any help Bill.

Thanks

Oh I am well beyond any such easy issues. I have tuned probably 40 6 liter trucks to this point.

The Delay is zero, the ramp rate is set to 2, the TPS based PE engagement is set at 75 percent...

Oh yeah.... and the Commanded A/F is not changing in the log.:confused:

Hello,

We have a 2006 Vortec Max on the dyno with the Lq9 and a magnacharger. For some odd reason the PE mode seems to be hit and miss on kicking in. The original Magnacharger tune was having the...