I drive a 6-speed and will shift into 6th at 30mph. The engine does not lug and the RPM is at 1250 at this speed and gear. I'm almost never above 3000rpm either accelerating or cruising.
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Originally Posted by jakobnev
I've got about 2700rpm@50mph
My dream scenario would be to find a 6-speed box that fits.
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That is quite high. I thought 3000 RPM @ 70 was terrible in my TSX.
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Originally Posted by tru
do you think that it would be worth the mod in terms of savings? how would one try to estimate the savings by just an RPM change?
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Depends on how much top gear cruising you do. In general, I believe manufacturers focus too much on performance and too little on economy. I would think a taller gear would result in significant savings. I'd like to do it on my 6-speed.