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Registered
Join Date: Feb 2004
Posts: 2
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broken head fins?
I am lookig at buying a set of used heads but one has a broken cooling fin mid way up. Looks to be broken a ways in. Is this a bid deal?
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Registered
Join Date: Apr 2002
Location: NoCal
Posts: 2,416
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Is it broken off or just cracked? I had a cracked fin on one of my heads and the machine shop welded it. Wasn't much more than 20-30 bucks, if I recall.
Jim |
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Registered
Join Date: Feb 2004
Posts: 2
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Gone, as in missing, no where to be seen. Looks like it was hit or dropped or something. And it is a new break for sure by the look of it. A good size piece (over a third of one flat) of the fin is missing mid way down one head.
Is that head now junk? I want to do a rebuild and don't want to start with garbage. |
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Author of "101 Projects"
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What type of head is it? If it's a rare one, then I'd say use it. If not, then I'd say look for another one...
-Wayne
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Wayne R. Dempsey, Founder, Pelican Parts Inc., and Author of: 101 Projects for Your BMW 3-Series • 101 Projects for Your Porsche 911 • How to Rebuild & Modify Porsche 911 Engines • 101 Projects for Your Porsche Boxster & Cayman • 101 Projects for Your Porsche 996 / 997 • SPEED READ: Porsche 911 Check out our new site: Dempsey Motorsports |
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Senior Member
Join Date: Jan 2001
Location: Left Coast, Canada
Posts: 4,572
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Talk to a shop that restores m/c's.
I had a Norton Commando cylinder head with 2 broken fins. They were perfectly repaired by a skilled welder, who'd done many similar repairs.
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'81 SC Coupe "Blue Bomber" "Keep your eyes on the road, and your hands upon the wheel."- J.D.M. |
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Senior Member
Join Date: Feb 2000
Location: Lacey, WA. USA
Posts: 25,310
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For some reason, I've always loved those Norton Commandos. Like a dirt bike on steroids.
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Man of Carbon Fiber (stronger than steel) Mocha 1978 911SC. "Coco" |
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Registered
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How big of a deal is broken fins?
I am at the beginning of my engine teardown. I have 2 heads that each have a broken fin at the top of the head on the exhaust side. I have 1 cylinder that has 2 or 3 broken fins with about a half dozen that are bent. Is this a big deal?
I was planning on using the heads for my rebuild. Is it worth it to get them repaired? What are these heads worth now to someone if I want to sell them? Same question with the cylinders--since I'm am changing the displacement I will be looking to sell them.
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Bill G. '68 911 Ossi Blue coupe |
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