 Tranny ratios, diff, tire sizes and RPM's, ...is there one like this for Porsche |
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| boxsterfan |
 Sep 16 2003, 10:23 AM
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914's are kewl  Group: Members Posts: 1,776 Joined: 6-June 03 From: San Ramon, CA Member No.: 791 Region Association: Northern California  |
First of all, I will state that I am not a mathematical wizard. From my previous days restoring Datsun Z's, I would use this calculator to get my engine RPM and MPH on a Z-car.
Z Tranny Calc Is there such an animal for the 914? Should be able to plug in the tranny ratios and diff ratio and tire sizes on this one to get approximate results. |
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| john rogers |
Sep 16 2003, 10:31 AM
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Senior Member Group: Members Posts: 1,525 Joined: 4-March 03 From: Chula Vista CA Member No.: 391 |
You could go over to the Pelican site and download the GEARS.exe program I wrote a few years ago, it is in the 914 tech section. It lets you input gear ratios, tire diameter or turns per mile or circumference (most accurate) and final drive ratio and the slider will show RPM in each gear vs speed. Good luck.
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Posts in this topic
boxsterfan Tranny ratios, diff, tire sizes and RPM's Sep 16 2003, 10:23 AM
porsche735 I have one. Let me see if I can get it uploaded..... Sep 16 2003, 10:26 AM porsche735 Here is another one I used for scratch....
With t... Sep 16 2003, 10:29 AM porsche735 John,
Looks like the same one I just posted. Mine... Sep 16 2003, 10:44 AM
Brad Roberts We have multiple versions HERE on this site.
htt... Sep 16 2003, 11:12 AM |
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