I have a 2006 Mustang 4.0 V6 and have installed the 93 Octane Program. I have raised the Rev limiter to 6200 and the RPMS are still at factory specs and it still shifts at like 5700. What am I doing wrong here? Also in Park or Neutral it still kicks out the motor at 3700 and I can't rev it up past that. Thanks Sandy
09/14/2014 - After reading a good bit in the forums I put the original program back in the car and then re-installed the 93 Octane tune. It does shift at 6200 now. But if I try to rev it in Park or Neutral it still cuts out at 3700. Any ideas?
U7140 Problems on Rev Limiter
Moderator: mikel
Re: U7140 Problems on Rev Limiter
Neutral rev limiter is separate from everything else. Post your last tune written.
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Re: U7140 Problems on Rev Limiter
Couple things. Seems you weren't adjusting the actual shift point of the trans and just the rev limiters. The neutral not moving was because of a torque limiter in neutral which has now been raised and the shifts points set to 6500.
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- 93 Octane with Firm Shift 6500.frg
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Re: U7140 Problems on Rev Limiter
Thank You! Worked Perfect!
Re: U7140 Problems on Rev Limiter
I have an 05 Mustang V6 Automatic, and I can't get the shift points to take. Like the other posts here, I'm not concerned about WOT Shifts, like when I floor it. I want the car to shift later in the RPM range while driving normally. However, no matter how many times i update with my U7140, it doesn't work. Any help would he greatly appreciated.