Lb7 with a lbz fuel pressure regulator

Ozzy57

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Oct 7, 2020
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So I have a 03 motor total rebuild balanced blueprinted bottom end .has a built trans with triple lock convertor.60 plus injectors 10 over cp3 ,keyways cut into crank and cam .It has a lbz fuel regulator .Also a Danville 63.5 turbo I bought my own v3 tune and and scan tool .looking for a safe tune to start out with .Not looking for anything free just a tune someone doesn't mind selling me that I can tinker with as I go ?Hope I have this in the correct area {old fart with limited computer know how }.I used to tune Harley ecm s and thundermax tuners on a dyno .but this is all new to me .Thanks in advance ,oz
 

Bdsankey

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Feb 1, 2018
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The hard part is just about any tune file you're able to purchase is going to be locked for edit to protect their IP/income (can't blame them). Your best bet would be to ask mark if he'd tune the truck or you can look at the various timing calculators/fueling calculators etc on this site and build your own file using the LBZ FPR tables.
 

Ozzy57

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Oct 7, 2020
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The hard part is just about any tune file you're able to purchase is going to be locked for edit to protect their IP/income (can't blame them). Your best bet would be to ask mark if he'd tune the truck or you can look at the various timing calculators/fueling calculators etc on this site and build your own file using the LBZ FPR tables.
thank you ! i have a communications issue now ill go to the tunes section nd research it .
 

monster50iii

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Dec 5, 2014
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Best thing you can do is research research research! This site has alot of good info in years 2007-2010ish. After that info started to get hard to find from the pros. I learned ALOT by doing just that. No one will sell you a tune to build from. Good luck and have fun!
 

Ozzy57

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Oct 7, 2020
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I posted the values needed to run an LBZ regulator in an LB7 or LLY before. It’s an old post, but the numbers shouldn’t have changed unless efilive did something different with the scaling in that table. https://www.duramaxdiesels.com/forum/threads/help-cp3-issues.39652/page-2#post-575669
Thank you ! Got them . I’ll start with a stock tune. I have to buy one of those the guy who I paid 550 dollars to for 5 tunes in 2018 won’t put my ECM back to stock. We had a falling out . Tried to go from a 2700 quote to a 4800 overnight. This is after having my truck fir a month and a half and not touching it ! He gives tuners a bad name . Not only are the four tunes worthless now but I can’t even use my stick tune . Unless there is some way of doing that ?
 

TheBac

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Apr 19, 2008
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Moved those two posts from the CP3 thread (josh's FPR values) into this thread to maintain continuity.
 

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