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06-27-2005, 07:41 AM
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CC Member
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Join Date: Jun 2004
Location: Amarillo,
TX
Cobra Make, Engine: Scratch build......a little every day.
Posts: 563
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Not Ranked
It's always something!!!.... Comp cam rockers
Is anyone out there running an FE with Comp Cams roller rockers and the shaft support ends?????
I'm having valve cover clearance problems near the support ends. I'm using the black wrinkled tall aluminum COBRA...LE MANS covers.
What are other people using as covers and are you having any clearance problems. 
Must I do grinding on the inside ends of the covers??
Thanks
Dave
elgecko
__________________
55 mph is unsafe at any speed. Huh?
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06-27-2005, 08:04 AM
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CC Member
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Join Date: Dec 2000
Location: Los Angeles,
CA
Cobra Make, Engine: E.R.A. FIA #2088 1964 289 w/Webers
Posts: 2,151
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Not Ranked
Do they make valve cover spacers for that engine??
__________________
Hyde D. Baker
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06-27-2005, 08:07 AM
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CC Member
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Join Date: Dec 2000
Location: Broken Arrow. OK ( South Tulsa), USA,
OK
Cobra Make, Engine: 66 COBRA FE 427 /4SP. (HCS Coupe w/ 408 Stroker and TKO 600 -sold)
Posts: 5,595
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Not Ranked
I am running the Sig Erson roller rockers and the same valve covers as you but I don't have any clearance problems.
Clois
__________________
Sunshine, Asphalt and no stop signs...Perfect
"Let's roll"
"Be part of Something Good
......Leave Something Good Behind!"
from CD "Long Road Out of Eden"
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06-27-2005, 08:32 AM
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CC Member
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Join Date: Jun 2004
Location: Amarillo,
TX
Cobra Make, Engine: Scratch build......a little every day.
Posts: 563
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Not Ranked
Here's an image.
Hyde..... It seems to be a valve cover lenght problem and not a height problem. The covers are tall enough.
Clois....I think it's too late for me to switch to Sigs. Valve covers would be easier. 
It seems like the thickness of the aluminum covers is hitting the outside flat side of the support piece.
Imput....I need imput.
Dave
__________________
55 mph is unsafe at any speed. Huh?
Last edited by elgecko; 06-27-2005 at 08:35 AM..
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06-27-2005, 09:21 AM
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CC Member
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Join Date: May 2002
Location: San Francisco CA,
Posts: 525
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Not Ranked
Start grinding.
Some valve covers have enough meat to make clearance, some thinner valve covers, or over-enthusiastic grinding will pop a hole thru the side 
Isn't it nice how Comp manages to conviently leave this issue out of their instructions?
--Mike
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They bend 'em, we mend 'em.
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06-27-2005, 09:27 AM
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CC Member
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Join Date: Dec 2000
Location: Broken Arrow. OK ( South Tulsa), USA,
OK
Cobra Make, Engine: 66 COBRA FE 427 /4SP. (HCS Coupe w/ 408 Stroker and TKO 600 -sold)
Posts: 5,595
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Not Ranked
Dave,
Isn't that the end where you baffle is located? If so can you not put a notch in it?
Clois
__________________
Sunshine, Asphalt and no stop signs...Perfect
"Let's roll"
"Be part of Something Good
......Leave Something Good Behind!"
from CD "Long Road Out of Eden"
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06-27-2005, 09:51 AM
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CC Member
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Join Date: Jun 2004
Location: Amarillo,
TX
Cobra Make, Engine: Scratch build......a little every day.
Posts: 563
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Not Ranked
Clois.... it's hitting before it reaches the baffle. Both ends of the cover is hitting at the same place ....see photo of one end of cover
Mike....I think I hear the grinder warming up......Grrrrrrrrrrrrrrrrrrr.
Hopefully the problem doesn't get worse as the cover slides on further and further.
Thanks for imput. Got to love this site and the digital camera.
Dave Corbin
__________________
55 mph is unsafe at any speed. Huh?
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06-27-2005, 10:15 AM
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CC Member
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Join Date: Feb 2004
Cobra Make, Engine: shellvalley 428 ford
Posts: 397
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Not Ranked
take just a small amount off of both sides instead of all on one side. i dont think you eill hurt the integrity of either the stand or the v/c. good luck
byron w.
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06-27-2005, 10:29 AM
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Senior Club Cobra Member
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Join Date: Jul 2002
Cobra Make, Engine:
Posts: 15,712
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My rocker stands were milled about .040, which then required custom push rods. I discovered this during my recent engine build and suspect it was done originally for the clearance problem.
Black wrinkle finish finned Le Mans valve covers.
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06-27-2005, 10:50 AM
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CC Member
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Join Date: Jun 2004
Location: Amarillo,
TX
Cobra Make, Engine: Scratch build......a little every day.
Posts: 563
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Not Ranked
I'm out grinding a cover right now. Very little at a time and checking as I go.
Also have a tube of JB WELD handy.
Will report progress.
Dave
__________________
55 mph is unsafe at any speed. Huh?
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06-27-2005, 12:15 PM
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CC Member
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Join Date: Jun 2004
Location: Amarillo,
TX
Cobra Make, Engine: Scratch build......a little every day.
Posts: 563
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Not Ranked
Good Good Good
I guess that was all it was. A little .001 here and there and they fit nicely.
Onward to the next challage.
Thanks for the help.
Dave
__________________
55 mph is unsafe at any speed. Huh?
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06-27-2005, 01:12 PM
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CC Member
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Join Date: Aug 2003
Location: San Francisco,
CA
Cobra Make, Engine: n/a
Posts: 41
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Not Ranked
elgecko,
What bellhousing are you running down there?
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06-27-2005, 01:42 PM
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CC Member
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Join Date: Jun 2004
Location: Amarillo,
TX
Cobra Make, Engine: Scratch build......a little every day.
Posts: 563
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Not Ranked
Hey diiulio,
Running a Performance Automatic C4 to Fe SFI certified bellhousing with a modified C4 auto. Motor is 390+.040. Photos in my gallery.
Thanks for asking.
Dave
__________________
55 mph is unsafe at any speed. Huh?
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06-28-2005, 08:07 AM
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CC Member
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Join Date: Jan 2003
Location: Atlanta,
GA
Cobra Make, Engine: CAV GT40 with 331 KC
Posts: 2,187
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Not Ranked
Grind the side of the end stands as needed.
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