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I need help with my 04 Silverado that has a Magnasun 2300 on it.

Is there a listing of folks that would be pros with HP tuners? I have been searching for a GM tuner
and its not so easy to find them in a given area. If there is a list or some thing please point me...

I am hunting for a local tuner. If you have an import or a mustang there are tons of shops. But if you have
a GM let alone a truck good freakin luck. I will end up putting it on a trailer and...

I would be willing to pay a "Pro" to have a look at the file in a general sense to see where
the weak points in the tune are.

Would you know what you added back in on the management? And thank you for having a look I am
far from an expert myself.

If there is any one around that knows the GM trucks I would be grateful if you would have a look at the
tune file and provide some feed back. It is an 04 with 5.3 4L60E and 2300 Magna charger. She...

I have been messing with it but its still crap. Its the tendency for it to start off in 2nd
gear under 10mph. The situation is typical and repeatable, line of cars turning right
lets say. You inch...

I think I may have not been clear, The shifting is not a problem or fault with the trans.
The truck has done this since new as has 2 others of similar vintage I own. This is a case
where I am...

I did get a mail order tune in HP Tuners format that I have not been impressed with.
Another tuner locked my PCM and would not unlock so I gave up and got a new PCM
with a basic tune in it that is...

Sorry, Here is my current file.

http://www.bronkx1.com/CurrentFile.hpt

2004 Silverado 5.3 4L60E

The truck tends to start off in 2nd gear and it takes far too much peddle to get
it to down shift. The case would be turning on to a side street. You slow to 2-3mph
a...

I am also wondering if there is any one in the Philly PA area that might be willing with compensation to take on a tuning trainee?
Willing to drive a ways and work around schedules.

My 04 silverado was tuned by a hack with EFI live. I want to get HP Tuners and have a go at learning and redoing the tune myself. Will I be able to work with my current software in the truck or will...