Top speedo is 10 mph slow. 3.70, 4 speed, 33s
Middle speedo is 10 off. 3.70, 4 speed 33s
Bottom is dead on speedo, 4.11, 5
Speed and 33s
Top speed with 33" tires on your FJ/BJ40
- Thread starter CookieBird
- Start date
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Top speedo is 10 mph slow. 3.70, 4 speed, 33s
Middle speedo is 10 off. 3.70, 4 speed 33s
Bottom is dead on speedo, 4.11, 5
Speed and 33s
- Thread starter
- #22
very informative photos!
David*BJ70
Looking forward to reach the end of the world
@CookieBird
You get a lot of 2F's owners answer but be aware for the sweetspot regarding RPM. It may not be the same for 2F 4.2L gas engine VS 2B 3.2L diesel engine. These are totally different beast.
I'll bet the RPM tach between 2F and 2B are not the same and the red zone may be different.
Come visit ''us'' in the diesel section
Diesel Tech / 24 volts - https://forum.ih8mud.com/forums/diesel-tech-24-volts.24/
You get a lot of 2F's owners answer but be aware for the sweetspot regarding RPM. It may not be the same for 2F 4.2L gas engine VS 2B 3.2L diesel engine. These are totally different beast.
I'll bet the RPM tach between 2F and 2B are not the same and the red zone may be different.
Come visit ''us'' in the diesel section
Diesel Tech / 24 volts - https://forum.ih8mud.com/forums/diesel-tech-24-volts.24/
