Anyone know gear ratios for an A4?
I'me debating on a rear end gear change and need the A4 gear ratios for comparison purposes at various rpms for different rear end choices. If anyone can tell me where to find the transmission info, I would greatly appreciate it. I used to have it and cannot find it. No success with "search" either. :cheers:
Ed |
A4's came with either a 2.73 or a 3.15(sometimes called the sport gear) rear diffs--You can find the ratio stamped on the diff case--This chart will show you the MPH with differnent RPM's and tire diameters--Just punch in the numbers and hit calculate-- Enter the trans ratio as
.696 & the tranfer case as 1.0 & the tire diameter if stock as 26.6 http://4lo.com/calc/gearratio.htm |
Originally Posted by C5XTASY
(Post 1563189137)
I'me debating on a rear end gear change and need the A4 gear ratios for comparison purposes at various rpms for different rear end choices. If anyone can tell me where to find the transmission info, I would greatly appreciate it. I used to have it and cannot find it. No success with "search" either. :cheers:
Ed |
Name
Hydra-matic 4L60-E RPO Codes M30 Production Location Toledo, Ohio Vehicle Platform (Engine/Transmission) Usage Y Transmission Drive Longitudinally-Mounted Rear Wheel Drive 1st Gear Ratio 3.059:1 2nd Gear Ratio 1.625:1 3rd Gear Ratio 1.000:1 4th Gear Ratio 0.696:1 Reverse 2.294:1 Torque Converter Size (Diameter of Torque Converter Turbine) 298 mm Pressure Taps Line Pressure Transmission Fluid Type DEXRONŽ III Transmission Fluid Capacity (Approximate) 298 mm Converter Dry: 11.25 l (11.9 qt) Transmission Type: 4 Four Forward Gears Transmission Type: L Longitudinal Mount Transmission Type: 60 Product Series Transmission Type: E Electronic Controls Position Quadrant P, R, N, Overdrive, D, 2, 1 P, R, N, Overdrive, 3, 2, 1 Case Material Die Cast Aluminum Transmission Weight Dry (Approximate) 298 mm Converter 70.5 kg (155.70 lb) Transmission Weight Wet (Approximate) 298 mm Converter 80.5 kg (176.16 lb) |
Originally Posted by C5XTASY
(Post 1563189137)
I'me debating on a rear end gear change and need the A4 gear ratios for comparison purposes at various rpms for different rear end choices. If anyone can tell me where to find the transmission info, I would greatly appreciate it. I used to have it and cannot find it. No success with "search" either. :cheers:
Ed |
Thanks, guys, and Patches in particular. What I was after was the transmission gear ratios for each gear. I want to do a side-by-side on rpms, with a speed calc, on various rear end combinations in different gears. Thanks! :thumbs: :cheers:
Ed |
I have an A4 and the build sheet to my car and the 3.15 gear in a A4...Is Code G90 not G92
|
Originally Posted by Chemdawg99
(Post 1563190498)
An easier way is to look in your glove box and check the options sheet. If you see the code G92 then you have 3.15 gears. If not, then you have 2.73s.
|
Ed, I have a simple EXCEL program that calculates what you're wanting. You easily change the variables to your numbers. Takes into account different wheel/tire sizes.
If you would like it, pm me with your email and I'll send it to you. :cheers: Don |
Originally Posted by JOEY P
(Post 1563192583)
Its G90 NOT G92
:confused: it's both. G92 says "optional ratio" G90 says "that optional ratio is 3.15" makes you wonder what other ratio GM may have initially planned for the A4; but that putz (AlGore) wouldn't allow :rolleyes: on the A4, you can't have the 3.15 and not have both G90 & G92 listed. So it doesn't matter on the C5 A4. If you find G92 listed, then you have the 3.15 ratio.... that is a correct statement. If you find G90 listed, then you have the 3.15 ratio.... that is correct statement. |
putzalgore is all one word with no capitols :lol:
Originally Posted by Mike Mercury
(Post 1563194217)
:confus
it's both. G92 says "optional ratio" G90 says "that optional ratio is 3.15" makes you wonder what other ratio GM may have initially planned for the A4; but that putz (AlGore) wouldn't allow :rolleyes: on the A4, you can't have the 3.15 and not have both G90 & G92 listed. So it doesn't matter on the C5 A4. If you find G92 listed, then you have the 3.15 ratio.... [b]that is a correct statement[/ If you find G90 listed, then you have the 3.15 ratio.... that is correct statement. |
Originally Posted by 1KLRTOY
(Post 1563194949)
putzalgore is all one word with no capitols :lol:
:thumbs: |
This is by far the best calculator I've found. The f-body.org calculator is for f-bodies and not c5s, and weight/aero play a role.
http://www.xse.com/leres/bin/gearrat...mference=79.20 Just type your desired gear ratio into the axle ratio box. |
Originally Posted by will82
(Post 1563197367)
This is by far the best calculator I've found. The f-body.org calculator is for f-bodies and not c5s, and weight/aero play a role.
http://www.xse.com/leres/bin/gearrat...mference=79.20 Just type your desired gear ratio into the axle ratio box. This is great! Thanks!:thumbs: Ed |
Code for 2.83
Does anybody know the code for 2.83 gears in a C5 A4?
|
Originally Posted by 00C Just for Fun
(Post 1563401645)
Does anybody know the code for 2.83 gears in a C5 A4?
Ed |
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