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CC Advertisers
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01-10-2009, 04:57 PM
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Senior ClubCobra Member
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Join Date: Feb 2006
Location: Northern,
Ca
Cobra Make, Engine: LA Exotics
Posts: 1,038
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Not Ranked
David,
I don't think I want to ship an adaptor to you, but using a square piece of sheet metal, it looks like 90 degrees.
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01-10-2009, 05:15 PM
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CC Member
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Join Date: Mar 2001
Location: Provo,
Ut
Cobra Make, Engine: Kirkham, 427
Posts: 6,990
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Not Ranked
Couldn't have done this without the help of CNGreen, Paul F. and Larry Johnson!
Thanks!
David
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01-12-2009, 08:17 AM
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CC Member
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Join Date: Dec 2006
Location: Corona del Mar,
CA
Cobra Make, Engine: FFR MKIII, FMS BOSS 302 "B" cam
Posts: 170
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Not Ranked
Awe shucks..
Quote:
Originally Posted by David Kirkham
Couldn't have done this without the help of CNGreen, Paul F. and Larry Johnson!
Thanks!
David
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No, thank YOU David! Any pics of the new pins yet?
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01-10-2009, 05:17 PM
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CC Member
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Join Date: Mar 2001
Location: Provo,
Ut
Cobra Make, Engine: Kirkham, 427
Posts: 6,990
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Not Ranked
Quote:
Originally Posted by Paul F
David,
I don't think I want to ship an adaptor to you, but using a square piece of sheet metal, it looks like 90 degrees.
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Paul,
Using a piece of metal is actually a very good method for checking angles. Take a pen light and shine it behind the metal. Check to see if you can see any light. You can see an astonishingly small sliver of of light--less than 0.001" quite easily.
David
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01-10-2009, 08:01 PM
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Senior ClubCobra Member
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Join Date: Feb 2006
Location: Northern,
Ca
Cobra Make, Engine: LA Exotics
Posts: 1,038
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Not Ranked
David,
I backlit it as you suggested and saw no light on the unused holes (there is two sets of 5 holes). On the holes I have used, with it backlit, I can see the distortion at the bottom of the taper where the pin made contact. The taper has been pushed down and is no longer 90 degrees at the contact area. But that's ok. I have the other set of good holes. I'm now wondering if the baseplate of the hub is no longer flat. I'll check that later.
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01-10-2009, 09:27 PM
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CC Member
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Join Date: Mar 2001
Location: Provo,
Ut
Cobra Make, Engine: Kirkham, 427
Posts: 6,990
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Not Ranked
Quote:
Originally Posted by Paul F
David,
I backlit it as you suggested and saw no light on the unused holes (there is two sets of 5 holes). On the holes I have used, with it backlit, I can see the distortion at the bottom of the taper where the pin made contact. The taper has been pushed down and is no longer 90 degrees at the contact area. But that's ok. I have the other set of good holes. I'm now wondering if the baseplate of the hub is no longer flat. I'll check that later.
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Yes, all sorts of bad things happen when you have wrong mating parts coming together at such forces.
But, consider the loads. A 1/2 bolt of even dubious heat treat can hold, let's say, 10,000 pounds. That's 5 tons! Now, crank 5 of those bolts on and make it 50,000 pounds! Now, put your hub in a press and press down with 5 tons (or 25 tons) and see what you do. Remember that little lady with stilettos?
Jamo is looking better all the time.
David
ps. Isn't your "other set of good holes" for a different bolt pattern???  |
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