Another new best.

JoshH

Daggum farm truck
Staff member
Vendor/Sponsor
Feb 14, 2007
13,598
632
113
Texas!!!
sweet .....At what rpm's does your truck shift at????
3200-3300 usually. If I spin real bad on the launch, sometimes the 2-3 shift will hang, and it won't shift until upwards of 3500.
 

McRat

Diesel Hotrodder
Aug 2, 2006
11,249
26
38
64
Norco CA
www.mcratracing.com
Can you datalog your "boost curve" for me?

If you cannot shift higher than 3500, something else is happening. The higher you rev, the easier shifting should be.
 

JoshH

Daggum farm truck
Staff member
Vendor/Sponsor
Feb 14, 2007
13,598
632
113
Texas!!!
I'll log boost, but EFI can't read higher than about 41 psi of actual boost, so it will be a flat line after about 1.5-2 seconds of logging. I can shift higher than 3500, I just don't want to. For some reason my truck starts dropping rail pressure once RPMs get over 3000. I may try to lower my pulses and raise shift points. Do you think it would help to run the RPMs up higher?