How many RPM's do you turn at 60MPH?
New User
Joined: Dec 2019
Posts: 1
Likes: 0
>Not sure about 4th but I do know 5th. My truck 300, Mazda
>5spd, 3.55 rear end, stock sized tires is Exactly
>60mph=2000rpm in 5th. If you aren't sure on the ratio, look
>for the tag on the rear axle.
The Mazda 5 speed has a 0.80 OD so 4th is 1.25 * OD and in 4th at 60 you will be turning 2500. I just checked mine and it is right on 2200 at 60 in 4th, so my post above is right.
>5spd, 3.55 rear end, stock sized tires is Exactly
>60mph=2000rpm in 5th. If you aren't sure on the ratio, look
>for the tag on the rear axle.
The Mazda 5 speed has a 0.80 OD so 4th is 1.25 * OD and in 4th at 60 you will be turning 2500. I just checked mine and it is right on 2200 at 60 in 4th, so my post above is right.
Senior User
Joined: Mar 2020
Posts: 159
Likes: 6
From: Lodi, Ca
not only is this an 18 year old thread (before GPS on our phones) but your in the wrong sub forum for your truck...🤔
Mountain Pass
Joined: Aug 2019
Posts: 151
Likes: 1
its probably cause this site pulls up related post down at the bottom. ive posted on two or 3 like that ill scroll to the bottom to reply and it will be the wrong thread all together.
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