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| Maintenance, Mods, & Tips Mods | Tips | Repairs & Troubleshooting |
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02-26-2017, 01:29 AM
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#31
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The Alignment Guy
Join Date: Aug 2007
Location: orlando, fl
Posts: 1,337
Name : Robert J Hinton
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the offset mount. had to cut an angle off the front side to clear the cradle.
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the alignment guy
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02-26-2017, 04:21 AM
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#32
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Internet Sanitation Engineer
Join Date: Mar 2006
Location: Crawfordville, FL
Posts: 15,127
Name : Rich Zuchowski
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Are you far enough along on this project that you have been able to take it out for a test drive?
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02-26-2017, 08:46 AM
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#33
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The Alignment Guy
Join Date: Aug 2007
Location: orlando, fl
Posts: 1,337
Name : Robert J Hinton
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Quote:
Originally Posted by Rich Z
Are you far enough along on this project that you have been able to take it out for a test drive?
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Drove it home yesterday. Started at 10:00. Had everything out by 11:15. Would have had it done by 1:30 if it hadn't been for the unforseen exhaust issue. So, it was done by 4:30
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the alignment guy
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02-26-2017, 11:29 AM
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#34
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Internet Sanitation Engineer
Join Date: Mar 2006
Location: Crawfordville, FL
Posts: 15,127
Name : Rich Zuchowski
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Did you have your PCM recalibrated for the new differential ratio?
How does the gear change feel for you?
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02-26-2017, 12:12 PM
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#35
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The Alignment Guy
Join Date: Aug 2007
Location: orlando, fl
Posts: 1,337
Name : Robert J Hinton
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Quote:
Originally Posted by Rich Z
Did you have your PCM recalibrated for the new differential ratio?
How does the gear change feel for you?
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Not yet. It is little quicker than the 3.15. Haven't given it a full flogging yet.
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the alignment guy
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02-26-2017, 01:20 PM
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#36
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Internet Sanitation Engineer
Join Date: Mar 2006
Location: Crawfordville, FL
Posts: 15,127
Name : Rich Zuchowski
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Quote:
Originally Posted by mrr23
Not yet. It is little quicker than the 3.15. Haven't given it a full flogging yet.
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You have an automatic, don't you? Will the shift points have to be recalibrated as well?
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02-26-2017, 02:13 PM
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#37
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The Alignment Guy
Join Date: Aug 2007
Location: orlando, fl
Posts: 1,337
Name : Robert J Hinton
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Quote:
Originally Posted by Rich Z
You have an automatic, don't you? Will the shift points have to be recalibrated as well?
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Yes it is an auto. That is the only reason to program the pcm. Speedo will always be correct when you change the gear in a c5. Back when I went from 2.73 to 3.15, I recalibrated the shift tables. Going to 3.42 is close enough to not trip the p1870 code until I can get my friends hptuner.
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the alignment guy
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02-26-2017, 04:46 PM
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#38
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Internet Sanitation Engineer
Join Date: Mar 2006
Location: Crawfordville, FL
Posts: 15,127
Name : Rich Zuchowski
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Quote:
Originally Posted by mrr23
Yes it is an auto. That is the only reason to program the pcm. Speedo will always be correct when you change the gear in a c5. Back when I went from 2.73 to 3.15, I recalibrated the shift tables. Going to 3.42 is close enough to not trip the p1870 code until I can get my friends hptuner.
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I didn't realize that.  So how does the PCM in the C5 determine the distance traveled per tire revolution?
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02-26-2017, 06:32 PM
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#39
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The Alignment Guy
Join Date: Aug 2007
Location: orlando, fl
Posts: 1,337
Name : Robert J Hinton
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Quote:
Originally Posted by Rich Z
I didn't realize that. So how does the PCM in the C5 determine the distance traveled per tire revolution? |
The vss reads off the reluctor wheel located in the differential. Previous models and other vehicles read off the output shaft of the transmission, which is why the speedo would be off when changing gears.
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the alignment guy
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03-17-2017, 05:39 PM
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#40
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The Alignment Guy
Join Date: Aug 2007
Location: orlando, fl
Posts: 1,337
Name : Robert J Hinton
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here's how the rear tires sit in the fenderwell now they are pushed back 1.2"
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the alignment guy
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