October 18, 2024 Sometimes, in an effort to make a Tacoma work really well off-road, modifications to the drivetrain result in the on-road performance being a little less than ideal. That's what happened to me - inadvertently - when I installed 4.88 gears in my front and rear diffs. I've loved those gears - they are one of my best mods on the trail and at slower speeds - but the side effect has been that my RPMs are significantly higher than stock when I'm cruising on the freeway. In fact, I've ended up finding that 62 mph - at…
3 CommentsTag: Toyota R150F transmission
TL;DR - I'm going to try replacing my 5th gear with a taller gear that should lower my RPMs at highway speeds and will hopefully improve my fuel economy (MPGs).
On the freeway, it's high revs all the time.
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