Gear Ratio's - Ranger-Forums - The Ultimate Ford Ranger Resource
Ford Ranger Forum - Forums for Ford Ranger enthusiast!

Go Back   Ranger-Forums - The Ultimate Ford Ranger Resource Arrow Ranger-Forums Technical Forum Arrow Drivetrain Tech

Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

LinkBack Thread Tools Search this Thread
Old 04-17-2008
2wdranger's Avatar
Thread Starter

I am: Anthony Krejci
Join Date: Mar 2008
Location: Omaha, NE
Vehicle: 1999 Ford Ranger
Posts: 123
Total Props: 0
Gear Ratio's

I don't fully understand what the difference is between these different ratios.

Could someone tell me what its all about and what the best one is?
Reply With Quote
+ 0 -
Old 04-17-2008
MemphisSenior's Avatar
I am: Domenick (My friends call me Nick) Cambria
Join Date: Mar 2007
Location: Spring City, TN
Vehicle: 2002 Ford Ranger
Posts: 331
Total Props: 0
There is no ideal ratio for all occasions. You want to match the ratio to how you drive most often and what type of equipment you have. Lower ratios (higher numerically) are good for pulling. Higher ratios allow your engine to work less and usually give better fuel economy. You want to keep the engine in the "sweet spot" where the engine is putting out good power and torque. That's usually somewhere between 2500 and 3500 RPM. With a stock set up, 3.73 rear ratio and 27.5" tires your engine will be turning something like 2600 - 2800 RPM at 70 mph. If you change tires to let's say 30" the engine rpm at 70 will drop to about 2100 to 2200 rpm. That 500 rpm drop will cause your engine to work harder because it's not putting out as much power but still has to overcome things like wind and rolling resistance. So to get the engine speed back to 2600 rpm you might have to change to 4.11 or even 4.56 gears.
Reply With Quote
+ 0 -

Similar Threads
Thread Thread Starter Forum Replies Last Post
gear ratio question? LittelRedRanger Suspension Tech 5 03-19-2007 05:51 PM
What are the stock differential gear ratio's? Austin1 Drivetrain Tech 16 01-31-2007 08:24 AM
Gear Ratio DangaRanger99 4.0L OHV & SOHC V6 Tech 10 09-14-2006 10:52 PM
wrong gear ratio tygator145 Drivetrain Tech 13 03-02-2006 02:31 PM
changing the gear ratio and prices. zabeard Drivetrain Tech 12 02-15-2006 10:48 PM

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

All times are GMT -6. The time now is 03:57 PM.