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01-21-2007, 06:49 PM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
Holley Carb Stripped threads
I stripped the sight plug threads in one of the float bowls on my 650 Holley this afternoon, while attempting to stop a source of fuel seepage. Is there a product available or a procedure to save the existing bowl? My good friend John Peterson loaned me a bowl to use until I resolve my World altering dilema (thank you John, I owe you big time.)
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way
Last edited by Rick Parker; 01-21-2007 at 06:51 PM..
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01-22-2007, 02:13 AM
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CC Member
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Join Date: Jun 2003
Location: Modesto,
CA
Cobra Make, Engine: Heritage body, built the rest..460 Toploader..9"
Posts: 165
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Not Ranked
Rick......you never called to say if the other bowl worked!!!!!! I hope it did the job. Turlock is coming up next weekend and you just never know, those 48's you been dreamin about might just be on the bottom of some guys pile of stuff for like 10 bucks or something........(it could happen). Talk to you this week...
John
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6year Heritage A&F
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1969 Hurst SC/Rambler(only 1,512 made) in the middle of restoration.
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01-22-2007, 06:40 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Rick, any way of using a helicoil?
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01-22-2007, 06:45 AM
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Member of the north
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Join Date: May 2003
Cobra Make, Engine: A Cobra
Posts: 11,207
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Not Ranked
If you enlarge the hole, you alter the geometry of setting the float by the sigh plug. If you can live with a slightly lower float level, tap for the next size up.
Use brass or nylon washers for the seal.
Just my $0.03
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01-22-2007, 09:00 AM
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CC Member
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Join Date: Nov 2000
Location: Tucson,
Az
Cobra Make, Engine: Superformance 427 Side-Oiler
Posts: 2,156
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Not Ranked
Buy a new bowl.
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The rest of the world can have their opinion about the United States just as soon as WE give it to them.
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01-22-2007, 10:21 AM
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Senior Club Cobra Member
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Join Date: Jan 1999
Location: MARKSVILLE,LA.,,
Posts: 3,235
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Not Ranked
I probably have 5 to 8 "parts" carbs (all Holleys), if you need a bowl, I'll give you one..............
David
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DAVID GAGNARD
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01-22-2007, 09:34 PM
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CC Member
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Join Date: Oct 2003
Location: Bainbridge Island,
WA
Cobra Make, Engine:
Posts: 709
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Not Ranked
You're gunna need a new float bowl. Once the sight glass hole is stripped, it will need replacing to get it right.
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01-22-2007, 11:33 PM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
I had hoped that there was some sort of well thought out proprietery type of repair available, but it's not the space shuttle is it? Guess I'll try to find a replacement bowl. I did notice that the later produced carbs have 4 or 5 threads holding the screw in instead of 2! In retrospect I think the secret is to use fresh sealing washers instead of attempting to tighten/re seal one that has been in place for some time.
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way
Last edited by Rick Parker; 01-22-2007 at 11:40 PM..
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01-23-2007, 12:07 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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Not Ranked
Whats really tough is when you strip one of the four screws that hold the bowel to the carb body. I have with LIMITED success been able to heli coil a couple, but it's really tough to get them right. It's virtually 'game over' if you strip out one of those. Tighten just enough to seal, no more!
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01-23-2007, 06:20 AM
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CC Member
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Join Date: Jul 2001
Location: Senoia,
Ga.
Cobra Make, Engine: 427SO with big twin autolite inlines on custom intake, jag rear, top loader, wembeldon white, guardsmen blue stripes
Posts: 3,155
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Not Ranked
Just pick up another used carb on ebay, then you have extra parts.
__________________
Perry
Remember!, there's a huge difference between a 'parts' changer, and a mechanic.
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01-23-2007, 06:48 AM
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Senior Club Cobra Member
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Join Date: Dec 2001
Location: Shasta Lake,
CA
Cobra Make, Engine:
Posts: 26,615
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Not Ranked
Rick,
Is there something special about that carb that you want to keep the original bowl if possible? Does that bowl have a number on it? I always change the sealing washers on mine when I take one out just as I do the small soft plastic ring around the oil pan plug.
Ron
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