Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

Just recalibrated speedometer...

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Old Apr 28, 2004 | 09:00 AM
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LiT1_up's Avatar
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Just recalibrated speedometer...

for new gear set and now tranny won't shift at 100% tps. anybody got any ideas about what other tables might need tweaked? i'm using tunercat to make adjustments.
Old Apr 28, 2004 | 01:51 PM
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Re: Just recalibrated speedometer...

Originally posted by LiT1_up
for new gear set and now tranny won't shift at 100% tps. anybody got any ideas about what other tables might need tweaked? i'm using tunercat to make adjustments.
So it WAS shifting at WOT before you fixed the speedometer? I'd try calibrating it again. To the best of my knowledge you shouldn't need to change anything else. If all else fails you could try loading a stock profile. What size gears did you go to anyway?
Old Apr 28, 2004 | 04:31 PM
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you have to go in a SCALE the normal shift table. alll you ahve to do is open the table, highlight the whole table and right click on the table and choose scale, then enter the number to scale by.

here how you get the number--- old gear divided by the new gear.

EX. stock 3.42 / new 4.10 = .8341 scale number.
Old Apr 28, 2004 | 04:38 PM
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yep. it shifted fine after swapping the gears and before changing the pcm. after the recalibrate she won't shift at wot. but if you let up on it a bit it will shift. originaly had 2.73s, updated to 3.42s.
Old Apr 28, 2004 | 04:50 PM
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scale by .7982
Old Apr 28, 2004 | 07:35 PM
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i did exactly as you instructed 97z-m6, but it didn't help a bit. anymore ideas?
Old Apr 28, 2004 | 08:30 PM
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email me your bin file.

your bin file.

vincentbergeron@yahoo.com

Last edited by 97Z-M6; Apr 28, 2004 at 08:36 PM.
Old Apr 28, 2004 | 09:25 PM
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do you have a stall if so how high
Old Apr 28, 2004 | 09:43 PM
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no stall
Old Apr 28, 2004 | 09:56 PM
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i figured it out. should work now.

i sent it back fixed
Old Apr 28, 2004 | 10:41 PM
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thanks a bunch. i'll let you know how it works out.
Old May 1, 2004 | 02:47 PM
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it is fixed.
Old May 2, 2004 | 10:05 PM
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Well.... What was it?
Old May 3, 2004 | 08:04 PM
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scale the tables in the kickdown and hot kickdown modes up/down shifts points.
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