BigDaddy0381

iTrader: (7)

a guy in North Ga tuned it last, It was good but after 200 miles it seem to have changed. its like it changed thing and it was noticeable;e when it did it.I do not have efi live yet, I plan to buy it I just don't know if I trust myself to tune it.LOl

Thread on scan tool
https://www.performancetrucks.net/fo...ndroid-495528/

grey matter 04

iTrader: (9)

Bump them shift points up ...you have more cam than me and I am making power/shifting at 6400
Some timing will make it come alive also!

BigDaddy0381

iTrader: (7)

Yeah, I knew shift points were low and timing I have no clue on. I just need to find a good tuner who will spend time truly tuning it.

Suburbazine

The timing advance (which you are using % instead of degrees for some reason) does hop around at low load. If you were WOT it would lock it to the best number. But 5* to 30* is a big jump at idle, perhaps your previous tuner gave the engine a more thumpy feeling by jacking the timing tables to attack and release timing (making the engine rock more).

BigDaddy0381

iTrader: (7)

He might have. I guess i need to buy efi live and figure out how to log and post tune and see if some one can help me get it right. where is the best place to buy it from?

03sierraslt

iTrader: (22)

That cam is big enough if the idle under speed and over speed tables were left stock then it's going to cause timing to be all over the place trying to correct it and actually make it worse.

BigDaddy0381

iTrader: (7)

okay, I'll look into it also what wide band or do I need one for tuning it?

03sierraslt

iTrader: (22)

Numerous site sponsors are EFI live dealers also.