Felix Posted October 12, 2009 Report Posted October 12, 2009 5 speeds have overdrive 5th. The ratios aren't any closer. Get a lower diff ratio. ie. if you already have say a 4.11, fit a 4.3. Quote
Taz_Rx Posted October 12, 2009 Report Posted October 12, 2009 Felix beat me to it. Yeah consider a K50 just to have an overdrive. The ratios are different, but only slightly. So much so you'd hardly notice the difference. Actual ratios can be found here... http://www.rollaclub.com/faq/index.php?title=Manual_Gearbox ;) Quote
rjenman Posted October 12, 2009 Report Posted October 12, 2009 put a sticker on the back window that says "this car has a rotary in it" and just stare blankly at people when they ask you about it Quote
rob83ke70 Posted October 13, 2009 Report Posted October 13, 2009 if you put a cam in it and get it all built and tuned right you will need a shorter (higher number) diff, eg a 4.3, or maybe even higher ratio again (but that gets complicated finding the bits and fitting them). if you have a 4.3 or shorter and a loud exhaust then highway speeds get somewhat deafening. A five speed will improve this slightly by about 500rpm, but the best solution is for a quieter exhaust or a larger engine and taller diff. Thats your choices there :) Robert. Quote
KE55PIG Posted October 13, 2009 Report Posted October 13, 2009 i don't c the reason for a 5spd now not if it only 500rpm difference will just fill my exhaust with hotdogs with a 286 bdure cam should still get a fer lumpy idle Quote
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