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> Ring and pinion gears., Gear ratios.
Keith914
post May 29 2017, 08:24 AM
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What are the practical (including cost) options to change the ring and pinion gears to "lengthen" all the gears so as to optimize a more powerful engine?
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Keith914   Ring and pinion gears.   May 29 2017, 08:24 AM
Perry Kiehl   IIRC there weren't options on R&P only gea...   May 29 2017, 09:18 AM
forrestkhaag   A one-day-newbie to gears with a more powerful en...   May 29 2017, 09:33 AM
Mark Henry   Most Porsche gearing changes are through the gears...   May 29 2017, 09:38 AM
Mark Henry   What is a more powerful engine? A /6? V8? The 901...   May 29 2017, 09:46 AM
forrestkhaag   My early read is that it is as much an issue of th...   May 29 2017, 09:52 AM
Steve   AFAIK the 901 gear box only supports a 7:31 ring a...   May 29 2017, 10:15 AM
Steve   :bump: For added Gear Calculator link in above po...   May 29 2017, 12:11 PM
Dave_Darling   If you have a 915 gearbox, there were a couple dif...   May 29 2017, 12:30 PM
Chris914n6   The easier way to go is tires with a larger overa...   May 29 2017, 04:00 PM
Montreal914   What about the 7:27 R&P from the Sportomatic? ...   May 29 2017, 12:33 PM
Steve   Wouldn't you want a higher ring & pinion t...   May 29 2017, 01:35 PM
Montreal914   Wouldn't you want a higher ring & pinion ...   May 29 2017, 02:07 PM
Steve   Wouldn't you want a higher ring & pinion...   May 29 2017, 08:43 PM
Montreal914   [quote name='Montreal914' post='2490876' date='Ma...   May 29 2017, 11:47 PM
Perry Kiehl   I thought the '73 stock gearing worked pretty ...   May 30 2017, 05:41 AM
Mark Henry   A healthy 3.0 can start in 2nd no problem on every...   May 30 2017, 05:56 AM
rick 918-S   Don't forget that part of the cooling on an ai...   May 30 2017, 06:26 AM
Mark Henry   Don't forget that part of the cooling on an a...   May 30 2017, 10:33 AM
Steve   Good point Rick. Even though my speedo says 80 mp...   May 30 2017, 07:49 AM
Keith914   Thanks for all your responses. I hope to have my c...   May 30 2017, 08:40 AM
Steve   Thanks for all your responses. I hope to have my ...   May 30 2017, 08:51 AM


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