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Registered
Join Date: Dec 2004
Location: san jose
Posts: 4,982
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1981 911 mods
My cousin has a 1981 911 with 39k miles on it. He lives in NY and I live in CA. Next year when I go to see him what mods should I consider doing to his engine? He has had the head bolts replaced. I have heard that this year may need some mods to air diaphragm, pop box?, chain tensioners, clutch. Any info appreciated.
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09-28-2008, 08:40 PM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,498
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Pop off valve in the airbox and the Carrera chain tensioners is all that is really needed. I would be surprised if someone hasn't done the pop off valve already.
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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09-29-2008, 04:55 AM
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What the ?
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+1
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SCWDP 73 1980 SC Harley Davidson Road King 9/11/01 FDNY/343 Never Forget! |
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09-29-2008, 06:13 AM
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Registered
Join Date: Dec 2004
Location: san jose
Posts: 4,982
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He is pretty sure the pop off valve has not been done, nor the others.
I did a search but can not find anything on pop off valve. What is it? Also, I see in the threads that the 930 tensioner is preferred over carrera upgrade. How does one do that? thanks |
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09-29-2008, 08:32 AM
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AutoBahned
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here's a starter list:
http://forums.pelicanparts.com/porsche-911-technical-forum/189572-long-term-commonly-neglected-maintenance-post2955054.html#post2955054 |
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09-29-2008, 08:51 AM
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