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View Full Version : s13 differential gear ratio?

driftkid316
09-22-2005, 12:55 PM
just wondering what would be the best diff. gear ratio to run with a KA24de with intake and exhaust would be. im sure the stock ratio is fine unless im putting out a lot more power. im just wondering stock ratio is so i can find one close to it in my corolla since im putting the ka in it.
PROJECTRB240SX
09-22-2005, 01:27 PM
4.08 Is The Stock Ratio... Turbo Sr Guys Step Up To 4.11 Or 4.36 Ratios.

I Run A 3.9 With 205/55r15 On My Stock Sr.
killjoy
09-22-2005, 02:47 PM
Not aware of a 4.11, whats that out of? The stock 4.08 will be fine.
PROJECTRB240SX
09-22-2005, 04:42 PM
200sx.....
driftkid316
10-02-2005, 08:34 PM
is 3.5 too low for stock KA?
PROJECTRB240SX
10-02-2005, 08:58 PM
With the stock trans ratios.... proabably. The motor will feel unresponsive and sluggish... if its turbocharged you'll be able to build boost faster but the simple fact is that the lower the gears the faster the car will be off line as long as traction isn't a issue.
RightWheelDrive
10-03-2005, 10:48 AM
With the stock trans ratios.... proabably. The motor will feel unresponsive and sluggish... if its turbocharged you'll be able to build boost faster but the simple fact is that the lower the gears the faster the car will be off line as long as traction isn't a issue.

I think you mean the higher the gear, the faster the car will be off the line...
PROJECTRB240SX
10-03-2005, 10:57 AM
Lower Gears = Higher Numerically.
RightWheelDrive
10-03-2005, 06:28 PM
Lower Gears = Higher Numerically.
ok, just sounded like you were referring to the gear ratios in your previous post.
PROJECTRB240SX
10-03-2005, 08:59 PM
Nah, to save confusion I just changed my reference to what every one else refers to it as.