Tranny comparison DSM, EVO VIII, EVO IX and EVO MR
This is assuming you are running stock sized tires on each car.
For gas milage considerations, here is a break down top gear RPM at various cruiseing speeds on the highway. speed . . . AWD DSM. . . . . EVO VIII. . . . . EVO IX. . . . . EVO MR 55 . . . . . . . . 2425 . . . . . . . . 2365 . . . . . . . 2500 . . . . . . .2305 60 . . . . . . . . 2645 . . . . . . . . 2580 . . . . . . . 2730 . . . . . . .2515 65 . . . . . . . . 2865 . . . . . . . . 2795 . . . . . . . 2955 . . . . . . .2720 70 . . . . . . . . 3085 . . . . . . . . 3010 . . . . . . . 3185 . . . . . . .2930 75 . . . . . . . . 3310 . . . . . . . . 3230 . . . . . . . 3410 . . . . . . .3140 80 . . . . . . . . 3530 . . . . . . . . 3440 . . . . . . . 3640 . . . . . . .3350 85 . . . . . . . . 3750 . . . . . . . . 3660 . . . . . . . 3865 . . . . . . .3560 And for full throttle acceleration considerations, here is a break down of what speed you are going at the top of each gear just befor shifting to the next higher gear (assuming shifting at stock redline of 7,000 RPM) and what RPM you enter the next higher gear at. Gear . . . . AWD DSM. . . . . . . EVO VIII. . . . . . . . EVO IX. . . . . . . . EVO MR 1st . . . . . 34.4 (3800) . . . . . 40.0 (4700) . . . . 42.1 (4900) . . . .39.8 (4700) 2nd . . . . . 62.8 (4650) . . . . 60.1 (5150) . . . . 60.1 (5200) . . . .59.6 (5200) 3rd . . . . . 94.8 (5250) . . . . . 83.2 (5150) . . . . 81.1 (5300) . . . .80.8 (5350) 4th . . . . . 126.9 (5600) . . . 113.6 (4900) . . . 106.9 (4850) . . . .105.3 (5500) 5th . . . . . 158.7 (N/A) . . . . 162.7 (N/A) . . . . 153.9 (N/A) . . . . .133.7 (5600) 6th . . . . . N/A (N/A) . . . . . . . . N/A (N/A) . . . . . . N/A (N/A) . . . . .167.1 (N/A) Keith PS: Anyone wants the Exel file I used for calculating the speeds (based on tire diameter, gear ratio's, and final drive ratio) PM me with your e-mail address. |
Don't forget the JDM close-ratio gear box!!
I just got the JDM 4th/5th gear in today. The lower ratio 4/5 should hopefully drop 1/4 mile times by 0.2 sec. :) Cheers, Gary Gruppe-S http://www.gruppe-s.com/stuff/gears.jpg |
Originally Posted by Gruppe-S
Don't forget the JDM close-ratio gear box!!
I just got the JDM 4th/5th gear in today. The lower ratio 4/5 should hopefully drop 1/4 mile times by 0.2 sec. :) Cheers, Gary Gruppe-S http://www.gruppe-s.com/stuff/gears.jpg Tell me the ratio and I will plug it into my data sheet! I also have data for the HKS 4.111 final drive and the 3.84 final drive ratio that is available. Keith |
Very cool data acquisition..:)
|
Originally Posted by Fourdoor
Tell me the ratio and I will plug it into my data sheet! I also have data for the HKS 4.111 final drive and the 3.84 final drive ratio that is available.
Keith cheers, Gary Gruppe-S |
This is assuming you are running stock sized tires on each car. New info added, "JDM CR" means JDM close ratio 5 speed.
For gas milage considerations, here is a break down top gear RPM at various cruiseing speeds on the highway. speed . . . AWD DSM. . . . . EVO VIII. . . . . EVO IX. . . . . EVO MR . . . . . .JDM CR 55 . . . . . . . . 2425 . . . . . . . . 2365 . . . . . . . 2500 . . . . . . .2305. . . . . . .2710 60 . . . . . . . . 2645 . . . . . . . . 2580 . . . . . . . 2730 . . . . . . .2515. . . . . . .2960 65 . . . . . . . . 2865 . . . . . . . . 2795 . . . . . . . 2955 . . . . . . .2720. . . . . . .3205 70 . . . . . . . . 3085 . . . . . . . . 3010 . . . . . . . 3185 . . . . . . .2930. . . . . . .3450 75 . . . . . . . . 3310 . . . . . . . . 3230 . . . . . . . 3410 . . . . . . .3140. . . . . . .3700 80 . . . . . . . . 3530 . . . . . . . . 3440 . . . . . . . 3640 . . . . . . .3350. . . . . . .3945 85 . . . . . . . . 3750 . . . . . . . . 3660 . . . . . . . 3865 . . . . . . .3560. . . . . . .4190 And for full throttle acceleration considerations, here is a break down of what speed you are going at the top of each gear just befor shifting to the next higher gear (assuming shifting at stock redline of 7,000 RPM) and what RPM you enter the next higher gear at. I made the assumption that the JDM CR gears would be added to the EVO VIII 5 speed instead of to the IX 5 speed since the IX already has closer gears than the VIII. Gear . . . . AWD DSM. . . . . . . EVO VIII. . . . . . . . EVO IX. . . . . . . . EVO MR. . . . . . . . JDM CR 1st . . . . . 34.4 (3800) . . . . . 40.0 (4700) . . . . 42.1 (4900) . . . .39.8 (4700) . . . . . 40.0 (4700) 2nd . . . . . 62.8 (4650) . . . . 60.1 (5050) . . . . 60.1 (5200) . . . .59.6 (5200) . . . . . . 60.1 (5050) 3rd . . . . . 94.8 (5250) . . . . . 83.2 (5150) . . . . 81.1 (5300) . . . .80.8 (5350) . . . . . 83.2 (5450) 4th . . . . . 126.9 (5600) . . . 113.6 (4900) . . . 106.9 (4850) . . . .105.3 (5500) . . . .106.9 (5250) 5th . . . . . 158.7 (N/A) . . . . 162.7 (N/A) . . . . 153.9 (N/A) . . . . .133.7 (5600) . . . . .142.0 (N/A) 6th . . . . . N/A (N/A) . . . . . . . . N/A (N/A) . . . . . . N/A (N/A) . . . . .167.1 (N/A) . . . . . . .N/A (N/A) Keith PS: Anyone wants the Exel file I used for calculating the speeds (based on tire diameter, gear ratio's, and final drive ratio) PM me with your e-mail address. |
Looking at the data, for anyone trapping above 125 that wants to limit max RPM to a reasonable level (8000 or so) these gears from Gruppe-S would be perfect! For anyone running stock block, or built stroker but making heavy power this gear set should improve 1/4 mile times while making highway driving unbearable! Can you imagine a long highway trip spent at 4200 RPM? I would be deaf at the end of the trip :)
Looks like if you are trapping under 112 mph they will help your 1/4 mile times, or if you are trapping more than 125 mph they will help your 1/4 mile times..... but in between 112 mph and 125 mph trap speeds you will be making an extra gear change that would not be required with the stock VIII gear set, so it may slow you down a bit. Keith |
OK guys, here is the data for all previous EVO setups with a swap over to HKS 4.111 gear set.
This is assuming you are running stock sized tires on each car. New info added, "JDM CR" means JDM close ratio 5 speed. For gas mileage considerations, here is a break down top gear RPM at various cruising speeds on the highway. speed . . . EVO VIII. . . . . . EVO IX. . . . . . . EVO MR . . . . . .JDM CR 55 . . . . . . . . 2150 . . . . . . . . 2270 . . . . . . . . 2070 . . . . . . . .2460 60 . . . . . . . . 2345 . . . . . . . . 2480 . . . . . . . . 2255 . . . . . . . .2685 65 . . . . . . . . 2540 . . . . . . . . 2685 . . . . . . . . 2445 . . . . . . . .2910 70 . . . . . . . . 2735 . . . . . . . . 2890 . . . . . . . . 2630 . . . . . . . .3135 75 . . . . . . . . 2930 . . . . . . . . 3095 . . . . . . . . 2820 . . . . . . . .3355 80 . . . . . . . . 3125 . . . . . . . . 3300 . . . . . . . . 3005 . . . . . . . .3580 85 . . . . . . . . 3320 . . . . . . . . 3510 . . . . . . . . 3195 . . . . . . . .3805 And for full throttle acceleration considerations, here is a break down of what speed you are going at the top of each gear just before shifting to the next higher gear (assuming shifting at stock redline of 7,000 RPM) and what RPM you enter the next higher gear at. I made the assumption that the JDM CR gears would be added to the EVO VIII 5 speed instead of to the IX 5 speed since the IX already has closer gears than the VIII. Gear . . . . EVO VIII. . . . . . . . . EVO IX. . . . . . . . . . EVO MR. . . . . . . . . . JDM CR 1st . . . . . 44.1 (4700) . . . . . 46.3 (4900). . . . . . .44.4 (4700) . . . . . . 44.1 (4700) 2nd . . . . 66.2 (5050) . . . . . . 66.2 (5200) . . . . . .66.4 (5200) . . . . . . 66.2 (5050) 3rd . . . . . 91.7 (5150) . . . . . . 89.4 (5300) . . . . .90.0 (5350) . . . . . . 91.7 (5450) 4th . . . . 125.2 (4900) . . . . . 117.7 (4850) . . . .117.3 (5500) . . . . . .117.7 (5250) 5th . . . . 179.2 (N/A) . . . . . . 169.6 (N/A) . . . . . .149.0 (5600) . . . . . .156.4 (N/A) 6th . . . . N/A (N/A) . . . . . . . . . N/A (N/A) . . . . . . .186.2 (N/A) . . . . . . . . . .N/A (N/A) Keith PS: Anyone wants the Excel file I used for calculating the speeds (based on tire diameter, gear ratio's, and final drive ratio) PM me with your e-mail address. |
good info
|
Good info!!
|
thanx for the info, fourdoor!
|
I just noticed something...... the JDM close ratio 5 speed gears give it ratios VERY similar to the first 5 gears in the six speed MR transmission. This may help explain Warrtalons extrodinary drag times..... if the close ratio 5 speed would gain you 2 tenths in the 1/4 mile, and the MR has very similar ratios for the first 5 gears it would make sence that the MR would be faster in the 1/4 mile (with a good driver) than a regular EVO with the same driver.
Keith |
Very nice Keith. I have often wondered about the 4.111 gear set. Thats a nice jump 125 mph in 4th. I think I need this now.
|
The problem with lowering the speed / raising the RPM in 4th is you run out of gear extremely fast. I am spinning my puny little car to 8,100+ through the traps already. Thats with stock Evo 8 gears. I couldn't imagine making that even worse.
|
Originally Posted by TrinaBabe
The problem with lowering the speed / raising the RPM in 4th is you run out of gear extremely fast. I am spinning my puny little car to 8,100+ through the traps already. Thats with stock Evo 8 gears. I couldn't imagine making that even worse.
Keith |
All times are GMT -7. The time now is 10:41 AM. |
© 2024 MH Sub I, LLC dba Internet Brands