4.56 ratios = better economy (1 Viewer)

[cruiser88]

How much of a mpg difference are we talking about?

that i could not tell ya for sure maybe1/or 2 mpg.but having those gears is so sweeeet.

 

[MJADDICTION]

'92 FJ 80+4:10gears+32"tires='ed 9MPG

'92 FJ 80+4:88 gears+32" tires (actually about a 31 on 10" rim)+tune-up= 15MPG.

Yes I've added the speedo change into the figure.

 

[firetruck41]

'92 FJ 80+4:10gears+32"tires='ed 9MPG

'92 FJ 80+4:88 gears+32" tires (actually about a 31 on 10" rim)+tune-up= 15MPG.

Yes I've added the speedo change into the figure.

With a 66% increase in fuel economy, I have to think that gear ratio is only a small factor.