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OK but if I dont mess with the timing im not going to get any gains?

so where do I need to add this timing and how much is safe?

And the compression ratio is 9.50

Is it danderous to the motor?

No I don't have a wideband but I do intend to get one. How Do I verify that it does not knock.

Someone please help wtih the tune

Anyone?

out of which table does most torque come from

If i make my injectors work 100 percent will that help my performance or is it better if they run about 50

No i am not expecting to much. When you floor it off the line it seeems as though it doesn't go to wide open throttle. I beleive most of my problem is my torque converter

IS there anyway to change from an ETC to a cable throttle

Can we just change the table and guesstimate how much...ya know trial and error?

Ok we tried all of joe's ideas and I still really need help in the low end range

Okay guys thanks for the help, I'll give those adjustments a shot, in the meantime here's a 0-60 log from the current tune that was loaded in the ECM in case you're curious.

As for the feel of the...

Okay, here's my test tune...keep in mind it's all still new to me so don't make fun please haha

O and it has 373 gears

The truck has true dual flows, a cold air intake, 265/70/17 tires, throttle body spacer...thats about it

Okay I'll have it on here by tomorrow for sure for you guys to check it out...thanks

Okay, here is my stock tune, is this what you're looking for or would you like the current tune that is loaded in the truck? Please forgive me I'm new to all of this, but I certainly appreciate the...

ok man

I have a 4.8 and it needs help off the line and it has an electronic throttle. How do i get it to go faster off the line.

It is Electronic throttle how do I fix that?

It is an electronic throttle...how do i help that?

Honestly I doubt it has anything to do with the tune. All i know is my truck did the same thing with the stock exhuast and now does it with after market exhaust so i had a friend get under there and...

OK can anyone just send me a good 2003 4.8 tune that I can get some good gains out of if i send you my stock tune?