The 2.75 is a great gear for pure cruising on the freeway. For example at 2000 RPM your going 92 Km/H.
A 3.00 is a common diff ratio for the early performance oriented models So at 2000 RPM your going 84 Km/H.
A 3.25 is a good upgrade to be a gear for cruising and improved acceleration. So at 2000 RPM your going 78 Km/H.
A 3.55 is a ratio oriented more for acceleration though great cruising if you have an over drive. So at 2000 RPM your going 71 Km/H.
A 3.80 is perfect for the performance guy that still go on occasional highway trips. So at 2000 RPM your going 67 Km/H.
A 4.11 is as high as I would go for a non-over drive street car. Main use is performance driving. Highway driving not very pleasant. So at 2000 RPM your going 61 km/H. Good acceleration - traction can be an issue in the wet for an aggressive driver.
You just need to choose what your likely to be using the car for and pick your ratio to suite. The above calcs are based on 26.5 " wheel and final ration of 1 (aka No over drive).
Note: Best combination is high gear with an overdrive - best of both worlds.
nassi bit of everything really. It just seems really crap off the mark with 2.75's. It came factory with 3.00 according to the Marti. Just looking to improve my bottom range but still have all round drive ability.
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