evo 8 vs 9 gearset ratio
Nov 17, 2009, 05:47 PM
#1
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evo 8 vs 9 gearset ratio
so i always thought every gear in the trans were different in the 8 vs 9 and the best gearset would be evo 9 1st an 5th and 8 2nd-4th but im looking at buying a new trans and some guy is selling one with what he says is the "ultimate gearset ratio" I asked him wat it was and he told me it has that ratio but that the evo 9 and the evo 8 have the same ratio on the 2nd gear is this true? can someone tell me the ratio for the 2nd gear in an evo8 and 9?
Nov 17, 2009, 06:17 PM
#3
Yes 2nd is the same between the 2 boxes. The input shaft is the same '04+ and 5th gear interchanges between all of those. 03 and down use a different style input and 5th gear that are discontinued.
The Ultimate ratio would be
IX 1st
2nd from either
VIII 3-4
IX 5th for road course
VIII 5th for mileage
JDM RS 5th for ultra close control
We havent even began to discuss the FD options yet but that all plays into all of how I would select the ratios as well.
The Ultimate ratio would be
IX 1st
2nd from either
VIII 3-4
IX 5th for road course
VIII 5th for mileage
JDM RS 5th for ultra close control
We havent even began to discuss the FD options yet but that all plays into all of how I would select the ratios as well.
Nov 17, 2009, 08:25 PM
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hmm well i have an 03' the 5th seems ok for highway witch i do alot because i travel between AZ and CA alot i guess i go kinda fast but im at about 4k rpm what kind of a diffence would i see with the evo 9 5th
what kind of speed and HW rpm do you evo 9 guys get?
what kind of speed and HW rpm do you evo 9 guys get?
Dec 21, 2009, 05:02 PM
#7
I'd like to know if its really worth getting the EVO8 3rd gear. I know I need 4th because I'm constantly running out of gear and don't like to bang 5th.
I'm probably going to tear my tranny appart and replace 4th gear but I'm not convinced about doing 3rd while I'm in there.
I'm probably going to tear my tranny appart and replace 4th gear but I'm not convinced about doing 3rd while I'm in there.
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