C6 auto trans gear speeds
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1st Gear
Joined: Jan 2006
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C6 auto trans gear speeds
C6 automatic transmissions red-line speeds for each gear (both 4 and 6 speed tranies) . Does anyone have this sort of data? If so, please forward it to me. Thank you very much. Al Payne
Drifting
Joined: Jun 2005
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http://www.eorsr.us/c6 - click on the gear in the A6 row / 2.56 column. These charts are calculated based on published data for new tires and may vary a little from measured speeds. 6500 RPM in 3rd would be about 130 MPH, so you should finish the quarter in 3rd.
Le Mans Master
Joined: Sep 2004
Posts: 7,027
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From: Shiloh Ohio
Originally Posted by Buffy
http://www.eorsr.us/c6 - click on the gear in the A6 row / 2.56 column. These charts are calculated based on published data for new tires and may vary a little from measured speeds. 6500 RPM in 3rd would be about 130 MPH, so you should finish the quarter in 3rd.
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Race Director
Joined: Apr 2005
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From: Everett Wa
Originally Posted by Gearhead Jim
Calculated speeds A6/2.73, 6500 RPM
4th: 176
5th: 238
6th: 304
4th: 176
5th: 238
6th: 304
Jim that may be the way it calculates but look at my above post. That is reality with 2.56's and there is no way you are going to run 11mph faster going to a taller gear.
Drifting
Joined: Jun 2005
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A6 speed in gears at 6500 RPM for different rear axle ratios:
1st 2nd 3rd 4th 5th 6th
2.56 49.34 84.05 129.65 172.49 233.37 296.07
2.73 46.27 78.82 121.58 161.75 218.84 277.63
3.15 40.10 68.31 105.37 140.18 189.66 240.61
3.23 39.11 66.62 102.76 136.71 184.96 234.65
3.42 36.94 62.92 97.05 129.12 174.69 221.62
3.73 33.87 57.69 88.98 118.39 160.17 203.20
3.90 32.39 55.17 85.10 113.22 153.19 194.34
4.10 30.81 52.48 80.95 107.70 145.71 184.86
1st 2nd 3rd 4th 5th 6th
2.56 49.34 84.05 129.65 172.49 233.37 296.07
2.73 46.27 78.82 121.58 161.75 218.84 277.63
3.15 40.10 68.31 105.37 140.18 189.66 240.61
3.23 39.11 66.62 102.76 136.71 184.96 234.65
3.42 36.94 62.92 97.05 129.12 174.69 221.62
3.73 33.87 57.69 88.98 118.39 160.17 203.20
3.90 32.39 55.17 85.10 113.22 153.19 194.34
4.10 30.81 52.48 80.95 107.70 145.71 184.86
Team Owner
Joined: Sep 2000
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From: Far NW 'burbs of Chicago
St. Jude Donor '13
Terry-
My typo, I meant to say calculated speeds with 2.56 axle.
Buffy must have used a slightly different calculator but those speeds are within a couple of mph of the program i used.
Thanks for posting a "real world" number. Let us know if you get to try that on the road.
My typo, I meant to say calculated speeds with 2.56 axle.
Buffy must have used a slightly different calculator but those speeds are within a couple of mph of the program i used.
Thanks for posting a "real world" number. Let us know if you get to try that on the road.
Melting Slicks
Joined: Nov 2003
Posts: 3,375
Likes: 1
From: Northern CA
Originally Posted by TMyers
Jim that may be the way it calculates but look at my above post. That is reality with 2.56's and there is no way you are going to run 11mph faster going to a taller gear.
Dyno instrumentation isn't perfect and tires deflect more on rollers than on the the road so the rolling radius decreases a bit.
The differences seem reasonable and are in the direction that they would be expected to be.
Le Mans Master
Joined: Sep 2004
Posts: 7,027
Likes: 6
From: Shiloh Ohio
Originally Posted by Buffy
A6 speed in gears at 6500 RPM for different rear axle ratios:
1st 2nd 3rd 4th 5th 6th
2.56 49.34 84.05 129.65 172.49 233.37 296.07
2.73 46.27 78.82 121.58 161.75 218.84 277.63
3.15 40.10 68.31 105.37 140.18 189.66 240.61
3.23 39.11 66.62 102.76 136.71 184.96 234.65
3.42 36.94 62.92 97.05 129.12 174.69 221.62
3.73 33.87 57.69 88.98 118.39 160.17 203.20
3.90 32.39 55.17 85.10 113.22 153.19 194.34
4.10 30.81 52.48 80.95 107.70 145.71 184.86
1st 2nd 3rd 4th 5th 6th
2.56 49.34 84.05 129.65 172.49 233.37 296.07
2.73 46.27 78.82 121.58 161.75 218.84 277.63
3.15 40.10 68.31 105.37 140.18 189.66 240.61
3.23 39.11 66.62 102.76 136.71 184.96 234.65
3.42 36.94 62.92 97.05 129.12 174.69 221.62
3.73 33.87 57.69 88.98 118.39 160.17 203.20
3.90 32.39 55.17 85.10 113.22 153.19 194.34
4.10 30.81 52.48 80.95 107.70 145.71 184.86
Drifting
Joined: Dec 2002
Posts: 1,613
Likes: 0
Originally Posted by shurite44
I wish you knew what speed 6500 rpm's in third would be. 
I still have not gotten a straight answer on whether you finish the qtr mile in third of fourth.
I still have not gotten a straight answer on whether you finish the qtr mile in third of fourth.Last edited by SoldSyclone; Jan 18, 2006 at 12:20 AM.