Smaller Gear Ratio - Honda CRZ Forum: Honda CR-Z Hybrid Car Forums
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post #1 of 3 (permalink) Old 11-26-2016, 08:53 PM Thread Starter
Join Date: Dec 2015
Posts: 5
Smaller Gear Ratio

Hi guys,

Is there any way we can get a smaller gear ratio for 6th gear? Or it has to be 5th and 6th altogether. The second option is to have smaller final drive ratio. The reason why I am asking is to utilize the extra torque I have after boosting my car. The car is daily drive. By getting a lower ratio, I can run my car at lower RPM thus safe some fuel. With extra torque, we can drive the car at higher gear than normal. The problem is at the high speed cruise. At 180-200 kmh, on the 6th gear the engine rev will be around 5500-5800 rpm with lot of torque available. If we have a smaller ratio, we can lower the RPM at this speed or raise the speed at this RPM. The best would be just change the 6th gear or 5th and 6th. Changing the final drive will alter the whole gear ratio.

Is anybody have done this. We have some option for higher final ratio but not the smaller. 2011 6MT have the smaller final ration of 4.11. I need a smaller one if no way to adjust the 6th speed...mind to share
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post #2 of 3 (permalink) Old 11-27-2016, 01:24 AM
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Join Date: Dec 2012
Location: Wisconsin
Posts: 280
I don't know of anyone making gear sets for the cr-z. Mfactory does make a couple different final drive gear sets, but all numerically higher. Could contact them and see if they could make what you want.

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2011 EX 6MT --> 2013 EX 6MT/HPD SC + 2017 civic EX-T 6MT
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post #3 of 3 (permalink) Old 11-27-2016, 10:02 AM Thread Starter
Join Date: Dec 2015
Posts: 5
I have a complete 6MT gearbox for me to try some mods but still need to find a convincing idea to experiment on. Is there any other hondas trans we can swap into?
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