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Old 19th March 2018, 08:11 PM   #1 (permalink)
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Clutch gear settings at stage 4.25

Hey everyone. Just completed my stage 4.25. Remap done by Litchfield remotely including TCM. The car pulls strong but the gear shifting is quite...different. In R mode the shifts are firm and fast as it should be. In auto and normal though the gear shifts are not smooth. In fact shifting is much firmer that original. 2nd gear is pain in the [email protected] with light load. Prior clutch gear learn my CC and TP were all 0/0/0/0 done by dealer during POS. After TCM flash and relearn they were still 0/0/0/0. So my question is-how do you guys with 4.25 keep your CC for town driving? Do not want to sound like a sissy but I would prefer smoother shiftings in the city traffic. Thanks for your replies.
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Old 31st March 2018, 07:38 PM   #2 (permalink)
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Bump. Anyone?
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Old 1st April 2018, 09:25 PM   #3 (permalink)
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I am also stage 4.25 and recently had an issue which was a bit different in that I was getting some slip mid gear my settings were 0,0,0,0 after doing a clutch relearn, however I then had Litchfield investigate the issue for me, and they updated to the latest gearbox software, following this they set it to -1.-1.-1,-1 which felt really smooth in everyday driving.

However the slip came back so I am now experimenting but +1,+1,+1,+1 has worked well so far (although a bit harsher)

The thread at the link below is quite informative and the illustration shows the effect different settings have.

Clutch Capacities and Touch Points - Transmission & Drivetrain - GT-R Life
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Old 2nd April 2018, 08:46 AM   #4 (permalink)
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Quote:
Originally Posted by jds123 View Post
I am also stage 4.25 and recently had an issue which was a bit different in that I was getting some slip mid gear my settings were 0,0,0,0 after doing a clutch relearn, however I then had Litchfield investigate the issue for me, and they updated to the latest gearbox software, following this they set it to -1.-1.-1,-1 which felt really smooth in everyday driving.

However the slip came back so I am now experimenting but +1,+1,+1,+1 has worked well so far (although a bit harsher)

The thread at the link below is quite informative and the illustration shows the effect different settings have.

Clutch Capacities and Touch Points - Transmission & Drivetrain - GT-R Life
Thanks a lot! Very informative the illustration. Will try different settings, now that I know what to adjust.
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Old 21st April 2018, 12:29 PM   #5 (permalink)
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Ive had the change into 2nd harshly a few times so set that to -1 , however on strip I up capacities to +4
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