12-18-2014, 06:22 PM
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#20 (permalink)
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A True Z Fanatic
Join Date: Aug 2011
Location: Tacoma, WA
Age: 41
Posts: 1,498
Drives: a POS truck
Rep Power: 496
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Quote:
Originally Posted by maizenblue
if you want to know what rpm you would be at in any gear at any mph with any final drive just let me know and i can figure that out too.
here is the rpm at 70mph which i figure is highway cruising speed for most people
Stock FD- 2591rpm
3.9 FD- 2738 rpm
4.08 FD- 2864 rpm
4.36 FD- 3061 rpm
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I would honestly just go with 4.08. I think that 4.36 is a bit much, unless you plan on making your Z a dedicated track car. I remember when I drove my 350z with 4.08 rear from WA to TX, my RPM's were getting way up there at cruising speed. I think at 75mph to 80mph I was almost at 4k rpm. It was basically like driving in 5th gear the whole way down there.
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09 Nismo #0483 sold. Viper or C7 next time around.
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