question about gearing and mpg
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question about gearing and mpg
I have a 2000 4runner and in running 35 inch tires. I changed out the stock 373 gears for 529s but my mpg has actually Decresed a little bit. Just wanting a little insight on some reasons this could have happend. Everything i have read said that 529s with 35 inch tires on my year 4runner would take it back to stock mpg. What am i overlooking here?
#2
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Changing the gears and/or tires changes the formula for calculating the MPG because the odometer will be out of calibration.
Did you make any adjustments?
Did you make any adjustments?
#4
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Your speedo is about 20-30% higher than stock. Use a gps with a trip meter and odometer to get your true readings.
No way you're getting 9mpg.
Also, forget "getting back to stock."
That ain't happening. You added a load of weight and pushed your brick at least a few inches taller which in turn kills all aerodynamics.
My guess is you're getting 14-17.
No way you're getting 9mpg.
Also, forget "getting back to stock."
That ain't happening. You added a load of weight and pushed your brick at least a few inches taller which in turn kills all aerodynamics.
My guess is you're getting 14-17.
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Getting the right gears to match your tire size will bring the RPM's at a given speed back to stock at a given speed, but once you put on 35's nothing will bring your MPG's back to stock
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529 gears are kinda steep for 35's for running the hwy. 4.56 would have been a Lil better choice. But 5.29 gears are the better of the two when it comes to running trails and playing on the rocks. Like I was told years ago, are u building the rig for the hwy, or building it for the trails? Can't have the best of both worlds!!!!
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529 gears are kinda steep for 35's for running the hwy. 4.56 would have been a Lil better choice. But 5.29 gears are the better of the two when it comes to running trails and playing on the rocks. Like I was told years ago, are u building the rig for the hwy, or building it for the trails? Can't have the best of both worlds!!!!
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winner winner chicken dinner... however, not everyone is willing to go that route. Not only $$$ but you don't see a lot of 3rd gen'rs going where they'd need dual cases. Me on the other hand, I need duals bad
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No, I meant 4.56, but ur right on ur gearing for tires!!!! Every yota I've built I went straight to 5.29 gears, but all my builds where trailer queens! They weren't built to run on the hwy! I don't run smaller than 38's on any of my builds
Last edited by kcpanages; 06-06-2012 at 11:43 PM.
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