07-02-2019, 09:45 PM | #1 |
Drives: Sold-G8 GT H/C/I Join Date: Sep 2018
Location: High Point NC
Posts: 15
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3.73 rear swap
Has anyone tried swapping in a 3.73 rear end in an I4 car?
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07-03-2019, 08:36 AM | #2 |
Coopers Camaro
Drives: 18 Flex Fuel LTG Join Date: Nov 2016
Location: St. Louis/Sullivan/Washington MO
Posts: 933
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I considered the 3.73 swap before I did the LSD swap. I'm glad I didn't though with the A8. Its very difficult to get the 1-2 shift timing and speed where you want it because it happens to fast. I couldn't imagine having 3.73's and trying to dial that shift in. The M6 would be much more feasible for this swap.
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07-03-2019, 06:45 PM | #3 |
Drives: Sold-G8 GT H/C/I Join Date: Sep 2018
Location: High Point NC
Posts: 15
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Yes that's exactly my thinking, M6 comes with a 3.27 (ltg) so a 3.73 rear gear should pick up some speed. Didn't know if anyone has tried it.
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07-03-2019, 08:33 PM | #4 |
Coopers Camaro
Drives: 18 Flex Fuel LTG Join Date: Nov 2016
Location: St. Louis/Sullivan/Washington MO
Posts: 933
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I believe you will be the first if you do it, at least with the I4. I know some A8 ss guys did it, and it's almost comical listening to it shift just driving around town lol.
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10-03-2019, 04:26 PM | #5 |
Drives: ATS 2.0t Rwd Performance Join Date: Jun 2017
Location: Socal
Posts: 24
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Is the 3.73 the SS rear end?
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10-03-2019, 06:49 PM | #6 |
Drives: 2019 1SS M6 NPP Join Date: Jun 2019
Location: Central Arkansas
Posts: 23
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10-03-2019, 07:33 PM | #7 |
Drives: 2019 Camaro RBM M6 LTG 1LS Join Date: May 2018
Location: Wake Forest, NC
Posts: 66
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The SS M6 has much longer transmission gearing than the T4. T4 2nd gear is 61ish, SS 2nd is 68-70. With our transmission ratios I don't think you would want anything shorter.
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10-03-2019, 07:51 PM | #8 | |
Drives: 2019 Camaro RBM M6 LTG 1LS Join Date: May 2018
Location: Wake Forest, NC
Posts: 66
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Quote:
vs a 295ft/lbs turbo that needs to be shifted sooner to maintain boost on the stock turbo. |
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