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MARINE

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MARINE New Member

MARINE

Posted
Posted

I have a 2004 Chevy 2500HD 4x4 Crew Cab Long Bed with a 6.0L Gas engine. I got this programmer and have no idea what to do its asking for shift points and shift firmness. I have no idea what to put. Anyone help me with what to put the settings to to get better performance and better milage. Any help would be very help ful.

 

Thank you.

svensk Senior Enthusiast

svensk

Posted
Posted

shift points, higher = better. if you can set 1st, 2nd gear to upshift at wide open throttle at 5,900rpms do it.

shift firmness. that is something you need to experiment with to your liking. Increasing is generally better, because it creates snappy shifts. But, it can get a little rough if the pressure is bumped too high.

C & A s Dad Senior Enthusiast

C & A s Dad

Posted
Posted

I increased my shift firmness to the first setting of 4 offered, which they call 25%. I can feel the difference and like it right there.

 

I increased my 1-2 shift by either 200 or 300 rpms, my 2-3 by the same and my 3-4 by either 100 or 200. Just know the increased shift points only come into play at WOT (Wide Open Throttle). This will not change your part throttle shifts.

 

I then increased the rev limiter far enough so the increased shift points would not hit the limiter. I think this was 5,900 rpms.

 

Bad Z71, I would be interested in knowing where you set yours.

 

Thanks

masterfoxscout Enthusiast

masterfoxscout

Posted
Posted

Premium Fuel tuning

100% on the shift firmness

+300 on all shift points

+500 on the rev limiter

 

I can't remember if there is anything else. I'm in Iraq, so I can't go out and look at it. I believe that is it though.

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