TwinTurbo.NET: Nissan 300ZX forum - I do realize that taller gearing (or tires) would lead to
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Subject I do realize that taller gearing (or tires) would lead to
     
Posted by megaDan on August 01, 2012 at 1:53 PM
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In Reply To Going from 35's to 50's is a diameter increase from>> posted by ZUL8TR on August 01, 2012 at 10:30 AM
     
Message muted acceleration, but this car does a lot of highway driving, and if I can get a MPG improvement that would be fantastic.

I'm not worried about the performance hit, I can't imagine it would be too pronounced with the 400-450hp I plan to have next year.

I did the same sort of modification to my VR6 Golf, and its one of my favorite mods. I put in a transmission with a shorter final drive (for quicker acceleration) but a taller 5th gear (better fuel economy). Unfortunately I haven't heard of an easy 5th gear swap on the 300, but I had never thought about using different tire sizes.

Can I use Nistune to correct the speedo or do I need to do mental math to figure it out?

     
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