TL;DR - I continue to get better gas mileage with the new 5th gear. Still collecting data.
Every tank lasts longer than it used to. Barely.
Tag: Toyota R452 transmission
TL;DR - The new 5th gear is gutless, but it does seem to have improved my gas mileage significantly. Maybe.
Can installing this save you gas money?
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…
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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.