Shep Trans "Ultimate Ratio" Gear box Review
May 8, 2007, 10:52 PM
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Shep Trans "Ultimate Ratio" Gear box Review
My new gear box is a Shep Trans "Ultimate Ratio" trans which was put together by Shep to utilize the best forward gears from the 2003 - 2006 Evo 8 and IX in one trans. With the use of longer 1st and 4th gears the selction of gear ratios is "ultimate."
I just put this sucker in this evening
You can note from the attached dat log that 1st gear pulls up to 53 mph at just over 10,000 rpms and when you shift to second the rpms are in a much better part of the power bacn than on the previous stock Evo 8 gears
Here is a data log of a 1 2 and 3rd gear pull
I am very impressed with Shep Trans and highly recomend this new gear box
I just put this sucker in this evening
You can note from the attached dat log that 1st gear pulls up to 53 mph at just over 10,000 rpms and when you shift to second the rpms are in a much better part of the power bacn than on the previous stock Evo 8 gears
Here is a data log of a 1 2 and 3rd gear pull
I am very impressed with Shep Trans and highly recomend this new gear box
May 8, 2007, 10:58 PM
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I will be intrested to see if you gain any mph from the gear change.
I guess this was needed because you were already running so high through the traps in 4th.. You needed the longer gear..
Al you are on the 4.11 final drive also right?
I guess this was needed because you were already running so high through the traps in 4th.. You needed the longer gear..
Al you are on the 4.11 final drive also right?
May 9, 2007, 06:58 AM
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The ultimate ratio is for ANY EVO even one with stock power
It makes the speeds and rpms at each gear change point more consistant and better matched to our cars
I wanted to add that the prep and finish on this shep trans was better than new. Its really an amazing unit and it shifts like a dream right out of the box!
It makes the speeds and rpms at each gear change point more consistant and better matched to our cars
I wanted to add that the prep and finish on this shep trans was better than new. Its really an amazing unit and it shifts like a dream right out of the box!
May 9, 2007, 07:00 AM
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The ultimate ratio is for ANY EVO even one with stock power
It makes the speeds and rpms at each gear change point more consistant and better matched to our cars
I wanted to add that the prep and finish on this shep trans was better than new. Its really an amazing unit and it shifts like a dream right out of the box!
It makes the speeds and rpms at each gear change point more consistant and better matched to our cars
I wanted to add that the prep and finish on this shep trans was better than new. Its really an amazing unit and it shifts like a dream right out of the box!
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BlackEvo08 (May 26, 2022)
May 9, 2007, 09:41 PM
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Curious as well ---- is this an ideal straight line setup, or are the new ratios equally as tractable in the twisties?
Also --- other than a swap from the 6 to the 5 speed, is there a similar upgrade path for the 6 speed tranny?
Thanks!
Also --- other than a swap from the 6 to the 5 speed, is there a similar upgrade path for the 6 speed tranny?
Thanks!
May 10, 2007, 03:24 AM
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That's the way i always understood it?