View Full Version : Turbo 5.3 Help
BigCE
August 26th, 2015, 08:03 AM
I have a L33 5.3 out of a 2007 truck. I am going to be putting it in my 91 Chevy truck as a Turbo setup.
Anyway I have a few questions about the tuning process.
I understand that I need to run a Custom Operating System for boost, am I correct that I need to flash it as a 2005 or prior?
Will I need to buy a 2005 gas pedal and TAC to match to my programming or can I make my 07 pedal and TAC module work?
Thanks
ScarabEpic22
August 27th, 2015, 05:41 AM
This is a Gen III engine (24x crank/1x cam) correct? If so, yes to use an EFILive COS you will need to use an 04/05 LS1 PCM OS. I cant answer the pedal/TAC question, hopefully someone else can for you.
BigCE
August 27th, 2015, 11:02 AM
Yes it is a 24x crank sensor.
derkscustomcars
August 29th, 2015, 12:02 PM
You would need a tac module and metal pedal for it to work. So pre 05 if my memory serves me right
BigCE
September 1st, 2015, 03:28 AM
Ok the more I read the more confused I am.
Do I need to change my Throttle Body as well to match the TAC and Pedal? Or will the one I have now work with a 05 Pedal and TAC?
Is there any advantage of one year vs another as far as programming goes? 2003-2004-2005 Does it matter?
derkscustomcars
September 1st, 2015, 03:30 AM
Check the options in the os per year. And the throttle body can stay. The pedal and tac have to be matched. You can run a 07.5 and up tb on a 02 pedal and tac module
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