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Old 08-17-2019, 12:28 AM   #35
YoungPup1977
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Join Date: Jun 2015
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Posts: 1,000
Re: MPG and Manifold Vacuum

Quote:
Originally Posted by Lugnutz65 View Post
Changing 5th gear is not difficult, but you must do the math first or you may end up with a different result than you planned on. I made this video to explain how the different gear ratios are calculated inside a T5. If you are moving a 5th gear set from one S10 T5 to another S10 T5, then the ratio of the gear set should not change. Going from a V8 gear set to an S10 changes a lot!
Let me know if this video helps.
https://youtu.be/BcgX8R2l9Ok
Have you considered developing a cost calculator, which would include the cost of gears, installation of gears VS the MPG savings. How long would it take for you to receive return on the investment of saving 2 miles per gallon of gas ? 2 miles per gallon is your target correct or is it more ? By knowing the return, would make the decision of even thinking about such changes of regearing the trans and/or rear end gears. Doing the math of return on investment would be my first steps. Enjoy !!
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