Longer gears for better milage
Right now in my 89 240sx I have really short stock gears... the final drive is up around 4.03 I believe.
going 67 on the freeway will put me at about 3k rpms... ka24's have low redlines too. I spend a lot of time freeway driving. I was curious how much of a mileage improvement I would get from some longer gearing. I was thinking eather a diff with longer legs or a longer 5th gear would make for better mileage. I'm not trying to spend a bunch of money unless the improvements will be good. Also, how much slower would my car be with a 3.65 final drive or something like that? |
Re: Longer gears for better milage
i had a turbo 510 with a 4:11 ratio and i got 25ish MPG easy, what kinda mileage are you getting to whine about your gears
and 3K at 60ish MPH is about normal |
Re: Longer gears for better milage
i get 25ish freeway
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Re: Longer gears for better milage
ALOT depends on the tuner and the VE vs. RPM of the motor under cruise conditons.
Think I'm full ----? 53 mpg and 121 whp from a car that was rated 38 mpg and 85 whp factory. |
Re: Longer gears for better milage
Originally Posted by Mista Bone
ALOT depends on the tuner and the VE vs. RPM of the motor under cruise conditons.
Think I'm full ----? 53 mpg and 121 whp from a car that was rated 38 mpg and 85 whp factory. My friend gets 33mpg on the highway with his h22(with h22 tranny). tuned on uber. :y |
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