3.89 for 5spd and 4.11 for 6spd maybe?
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Originally posted by hunker7 View Post3.89 for 5spd and 4.11 for 6spd maybe?
Not a clue on Autos, never held any interestCurrent-2004 Impreza PPP wagon
Sold-92 3B coupe-RS2+, 996s, konis, rear torsen, forged rods........
Sold ABY-stock
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Originally posted by andy10v View Post3.89 would lower the cruise rpm. And make something explode if it does not match the front diff.96 URS6 plus speck saloon
96 URS6 plus speck estate
94 2.6 80 Avant
99 2.8 final edition Cabriolet
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Thats interesting though. If your going for 350bhp with the K24 7400 having a lower ratio will help fuel economy, you certainly wouldn't need a higher ratio to help propel the car with the power Volvo turbo provides.96 URS6 plus speck saloon
96 URS6 plus speck estate
94 2.6 80 Avant
99 2.8 final edition Cabriolet
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Originally posted by Vorsprung durch Technik View PostThanks Dave for the info,the cars a manual and i'm afraid to say after doing what you said it's a fraction under 4 turns. I wonder whats needed to make it a 1 : 4.11
Originally posted by hunker7 View Post3.89 for 5spd and 4.11 for 6spd maybe?
RS2'd 93 UrS4 5 spd sedan
94 UrS4 V8 6 spd manual avant
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Originally posted by UrS4boy View PostTry counting again. According to the chart I provided, a 193 hp ACK V6 (which I presume is the 30V engine) should have the CKF 37/9 = 4.11 rear diff.
Dave ,i was turning what would be the propshaft flange on the diff and counting that to one revolution of the driveshaft flange,but it didn't make it by a few mm .Would that be correct? So i guess if i continue turning the propshaft part of the diff flange to complete a whole turn of the driveshaft flange then i would get 4:11 wouldn't i?96 URS6 plus speck saloon
96 URS6 plus speck estate
94 2.6 80 Avant
99 2.8 final edition Cabriolet
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Originally posted by Vorsprung durch Technik View PostDave ,i was turning what would be the propshaft flange on the diff and counting that to one revolution of the driveshaft flange,but it didn't make it by a few mm .Would that be correct? So i guess if i continue turning the propshaft part of the diff flange to complete a whole turn of the driveshaft flange then i would get 4:11 wouldn't i?RS2'd 93 UrS4 5 spd sedan
94 UrS4 V8 6 spd manual avant
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Originally posted by UrS4boy View PostMy suggestion was to turn an output shaft flange enough times to rotate the input flange 360 degrees. Marking reference marks on the flange and the diff with chalk or the like helps with the counting.96 URS6 plus speck saloon
96 URS6 plus speck estate
94 2.6 80 Avant
99 2.8 final edition Cabriolet
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Originally posted by Vorsprung durch Technik View PostI read that but not sure which is which the reason why i have just done what i mentioned in my previous post. I have marked both flanges and have turned the prop flange just over 4 turns for 1 complete revolution of the driveshaft flange. Good?
Whatever.
As long as you can count to 4 and estimate that it the result is slightly more or slightly less than 4. I think it should be slightly more than 4. Of course if you had a PN on the diff or a colour code that would be another useful piece of data to work from.
RS2'd 93 UrS4 5 spd sedan
94 UrS4 V8 6 spd manual avant
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As Dave told, only automatics have different ratio, all others have 4:11. I run a V6 2.6 manual rear diff in my UrS, it's just the same as the orginal. That is good to know as if you break the rear diff you can find a new one quite cheap.
Audi UrS4 Avant 2.5 20vt - twincharged - Project
Audi 80q B4 Sedan 2.2 20vt - Daily user
BMW 320d Touring e91 M-Sport - Daily user
BMW 740iA e38 - Project
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