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Registered User
Join Date: May 2002
Location: Battle Creek, MI
Posts: 517
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Head CC Question
I just cc'ed my 914 2.0 heads. They seemed large 57! Is this close to what others have gotten, I just got the heads back from RIMCO. Just curious if I'm in the ballpark!
Randy
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2011 Chevy Silverado (The Hauler) 1984 911 Carrera summer daily driver |
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03-21-2003, 12:30 PM
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Registered User
Join Date: Mar 2002
Location: Washington, PA
Posts: 1,363
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you can use some of the formulas on this page to figure out if you have the right compression ratio.
www.bgsoflex.com/auto.html
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AKA: Dr Evil on the 914World forum, need your tranny rebuilt, or want a "How to rebuild your transmission DVD" set? PM me. -74 914 with 74 2.7 CIS -74 VW Bus with modified 3.1 corvair engine and 3.0 CIS fuel injection system. -74 BMW R90 |
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03-21-2003, 01:33 PM
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Administrator
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57cc seems about reasonable. I think mine were 58cc, and Jim Thorusen measured his at 60cc.
--DD
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Pelican Parts 914 Tech Support A few pics of my car: http://www.pelicanparts.com/gallery/Dave_Darling |
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03-21-2003, 02:03 PM
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Registered User
Join Date: Jan 2002
Location: Long Beach CA
Posts: 28,915
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And mine are 53cc with a .040 deck. I calc'd that out to 9.5 or so. Let me know if that does or does not work out for you mathematically. Oh, and 96mm on the pistons.
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'00 Boxster and a '96 XJ6 Jag Past owner of 2 914's, 3 911's and one 356B. "Tig McStick" is on Facebook |
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03-21-2003, 03:17 PM
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Registered User
Join Date: Nov 2000
Location: Medford, NJ
Posts: 38
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Hi,
Mine were 60cc. Possible that your heads have been flycut? CGNJ |
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03-21-2003, 04:24 PM
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Registered User
Join Date: May 2002
Location: Battle Creek, MI
Posts: 517
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Yes, RIMCO calls it surfaced, but I call it flycut. Zeke, 9.5 is correct for your specs. I'm just used to VW hi-po heads that are usually in the low 50's. They actually measured close to 58. I'll set deck height tomorrow.
Thanks!
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2011 Chevy Silverado (The Hauler) 1984 911 Carrera summer daily driver |
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03-21-2003, 05:15 PM
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Same here, 58 ccm after a mild flycut on my heads...
Patrick
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'74 Porsche 914 2.0l '90 VW Vanagon 1.7l Diesel |
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03-21-2003, 07:55 PM
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74 Porsche 914 2.0 
1974 Porsche 914 2.0 l 4 Cyl. / 2.0 Liter 
