Help: LB7 with LBZ FPR Tuning??

LarryJewell

Back with his honey :)
Jan 21, 2007
10,152
0
36
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San Angelo
Ya'll are making this harder than it really is, Take your table B1010 and change the top cell from 1500 to 1625 and Blend the next 2 cells, and zero out your bottom 2 cells. This is what fixed mine years ago, mine would idle with 20000 plus rail pressure until I did this, it now idles with about 4800 rail pressure.
 

jmaz268

Lead from the Front
May 20, 2010
2,895
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Springfield IL
Well a bit of an update. Got it all back together, figured id fire it up on the stock LB7 tune.

Surprising it ran pretty good. Had a slight lope.

Changed it to what to josh sent me. Ran for a bit and threw codes....reset and hasnt done it since.

Got out all the interstate and put it on my hot street tune and mashed it. Got to about 120 and threw high fuel pressure codes.

Think its that tune. I took some logs and need to review it and see where it happened and adjust from there.

But it does feel like it has more power....could be the butt o meter but my fpr had been on its way out for awhile.

:thumb: