 PMOs and altitude changes, Questions and experience |
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| 914forme |
 Jun 17 2018, 04:56 PM
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Times a wastin', get wrenchin'!  Group: Members Posts: 3,896 Joined: 24-July 04 From: Dayton, Ohio Member No.: 2,388 Region Association: None 
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I am working on getting the 2.7L redone for dad's 914-6 project. Plan is to drive it to Okteenerfest, and take dad for a beautiful run in the Georgia Mountains. I am not as good as I would like to be with carbs, more of an EFI guy. For some reason PMOs carbs are calling my name.
My one question comes into elevation changes. I really don't want to build the car and then hate the drive if they can't transition well with elevation changes. Any one with experience and know they won't frustrate running up the mountain roads? Are the PMO carbs worth the price of admission? |
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| porschetub |
Jun 17 2018, 07:53 PM
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Advanced Member Group: Members Posts: 4,703 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
Depends if you have rebuilt the Webers so they work great no need to go to PMO's if you have already spent the $$$ on them.
If you retain the Webers you could just fatten up the idles and mains a touch because they were jetting lean from day one so you won't have serious issues @ the higher altitude ,keep a close eye your oil temp you should be ok. |
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| SirAndy |
Jun 17 2018, 10:54 PM
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#3
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Resident German Group: Admin Posts: 41,669 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(porschetub @ Jun 17 2018, 06:53 PM)  you could just fatten up the idles and mains a touch because they were jetting lean from day one so you won't have serious issues @ the higher altitude ,keep a close eye your oil temp you should be ok. I'm pretty sure higher altitude with *less* oxygen requires *less* fuel, not more fuel ... (IMG:style_emoticons/default/shades.gif) |
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Posts in this topic
914forme PMOs and altitude changes Jun 17 2018, 04:56 PM
Mike Bellis I don't know PMO. But no carbs adjust to eleva... Jun 17 2018, 05:50 PM mb911 Lots of jetting fun..
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I will do efi some day ju... Jun 17 2018, 06:31 PM rhodyguy What kind of elevation changes do you expect to se... Jun 17 2018, 06:53 PM JmuRiz If planning on new PMO money, might as well spring... Jun 17 2018, 08:51 PM 914forme Jim you talking about theseX-Factory? Jun 17 2018, 09:02 PM Edward Blume I've done some research on EFI and can tell yo... Jun 18 2018, 05:31 AM
mb911
I've done some research on EFI and can tell y... Jun 18 2018, 05:53 AM JmuRiz
[quote name='Edward Blume' post='2620644' date='J... Jun 18 2018, 07:30 AM Mark Henry If you can DIY then you can build an FI system for... Jun 18 2018, 10:17 AM Edward Blume
If you can DIY then you can build an FI system fo... Jun 18 2018, 04:51 PM mlindner Give Richard at PMO a call. He'll have the ans... Jun 18 2018, 12:31 PM |
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