 914-6: pros / cons of Turbo valve covers |
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| Gustl |
 Aug 18 2010, 11:34 AM
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#1
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914 enthusiast & historian  Group: Members Posts: 11,500 Joined: 16-June 04 From: TIROL / Austria Member No.: 2,212 Region Association: Austria   |
every now and then I see that 914-6 have 911 Turbo valve covers
even my old Sporto had them now I wonder why? what are the pro's and con's ??? |
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| john rogers |
Aug 18 2010, 12:08 PM
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#2
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Senior Member Group: Members Posts: 1,525 Joined: 4-March 03 From: Chula Vista CA Member No.: 391 |
The pro is they are stiffer and tend to leak less. The co is they can possibly interfere with inner suspension mounting ears. On my race car the interference made us change from studs to bolts so they would not have to be "lifted" off over the studs.
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| 6freak |
Aug 18 2010, 12:27 PM
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#3
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MR.C Group: Members Posts: 4,740 Joined: 19-March 08 From: Tacoma WA Member No.: 8,829 Region Association: Pacific Northwest |
help cooling as well as seal better...JMO
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| brant |
Aug 18 2010, 01:03 PM
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#4
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914 Wizard Group: Members Posts: 11,623 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains
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I believe the only "con" is less stock
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| pcar916 |
Aug 18 2010, 08:34 PM
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#5
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Is that a Lola? Group: Members Posts: 1,523 Joined: 2-June 05 From: Little Rock, AR Member No.: 4,188 Region Association: None
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I ground off some of the webbing to make the motor clear the suspension better but they definitely leak less. Especially with silicon gaskets.
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| Cap'n Krusty |
Aug 18 2010, 11:18 PM
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#6
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Cap'n Krusty Group: Members Posts: 10,794 Joined: 24-June 04 From: Santa Maria, CA Member No.: 2,246 Region Association: Central California |
Just use early 911SC valve covers. Same thick aluminum, close to the same cooling characteristics, and you don't have to modify them (eliminating nearly all the advantages) and they're a LOT cheaper.
The Cap'n |
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| sixnotfour |
Aug 18 2010, 11:36 PM
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#7
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914 Wizard Group: Members Posts: 10,429 Joined: 12-September 04 From: Life Elevated..planet UT. Member No.: 2,744 Region Association: Rocky Mountains
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And look period correct
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| pcar916 |
Aug 19 2010, 11:54 AM
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#8
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Is that a Lola? Group: Members Posts: 1,523 Joined: 2-June 05 From: Little Rock, AR Member No.: 4,188 Region Association: None
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QUOTE(sixnotfour @ Aug 18 2010, 09:36 PM)  And look period correct Yeah. These plastic (composite?) 993 lower covers look kinda wimpy at first glance and just for the record, start leaking pretty soon in 914's unless you guard them from the headers. |
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