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10-05-2012, 11:11 PM
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CC Member
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Join Date: Apr 2004
Location: Scotts Valley,
CA
Cobra Make, Engine: ERA 289 FIA #2108
Posts: 1,882
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Not Ranked
Source for 5/8"-11 plugs for AFR-185 heat pump holes?
Okay, I've looked at boltdepot.com, graingers, and fastenal, and even Ford Racing and AFR themselves, and I cannot find a source for brass, stainless steel, or chrome (or any metal, really) threaded plugs for the 5/8"-11 threaded heat pump holes on the front and back of my AFR-185 heads. 
Am I missing something here? I suppose I could use bolts, but the elegant solution is chrome or stainless steel countersunk hex (Allen) plugs. 
As I'm not in a total hurry as I assemble my 331, I've got time. However, there is a point at which one must admit this effort is ridiculous---hmm, I've already passed that point, now, haven't I?.
Anyhow, sage advice welcome.
Where (Oh, where!) can I obtain these plugs? 
DD
__________________
Dangerous Doug
"You're kidding, right?"
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10-06-2012, 04:27 AM
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CC Member
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Join Date: Dec 2011
Location: Parkville,
md
Cobra Make, Engine: superformance 1022
Posts: 156
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Not Ranked
Doug check A&A Bolt and Fastener in Baltimore. They have an incredible variety. Their phone is 410-687-8831. Best of luck. Tom
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10-06-2012, 04:50 AM
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CC Member
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Join Date: Mar 2007
Location: seekonk,
ma
Cobra Make, Engine: factory five mkIII roadster 445 fe quick fuel 750 q series,irs
Posts: 468
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Not Ranked
I know edelbrock supplies them when you buy there heads, I would try a automotive machine shop. I would also try mike forte from forte's parts connection I believe he stocks them.
__________________
factory five mk III roadster, 445 fe stroker
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10-06-2012, 05:55 AM
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CC Member
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Join Date: Dec 2004
Location: Kansas City,
KS
Cobra Make, Engine: jbl
Posts: 2,291
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Not Ranked
if you have a bolt you could cut to length then slot for a screwdriver
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10-06-2012, 06:37 AM
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CC Member
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Join Date: Mar 2007
Location: Olympia,
Wa
Cobra Make, Engine: B&B 5.0 roller W/carb & T-5 WC
Posts: 66
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Not Ranked
Call Keith Craft. They installed the ones in the 185,s I bought from them. The insert also allows the use of a slightly smaller bolt as they are threaded on the inside as well. Awesome company and service bar none.
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"Oversteer is when the passengers are scared. Understeer is when the driver is scared."
Last edited by MacGyver; 10-06-2012 at 06:41 AM..
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10-06-2012, 12:54 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
Aren't these an OEM Ford part used on the 5.0 heads. I had to get them for use on my World products heads. The heads are then essentially plugged on then both ends the threaded inserts are internally threaded and allow accesory bolts to be used. Otherwise the heat tubes that are part of the OEM emission system use a hollow banjo bolt that screws into them on the firewall end with one of the mentioned plugs at the front of each head, allowing for accessories to be attached at the same time.
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Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
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10-06-2012, 04:02 PM
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CC Member
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Join Date: Jan 2008
Location: Williamsport,
PA
Cobra Make, Engine: Kellison Stallion 468 FE
Posts: 2,703
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Not Ranked
McMaster-Carr
you call them plugs but a 5/8-11 is a standard machine screw thread, so a set screw will be the only thing out there...the above is a link to some SS ones , pg 3072 about halfway down, 18-8 SS,,,,choice of lengths
__________________
Fred B
Last edited by FWB; 10-06-2012 at 04:06 PM..
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10-07-2012, 07:43 PM
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CC Member
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Join Date: Apr 2004
Location: Scotts Valley,
CA
Cobra Make, Engine: ERA 289 FIA #2108
Posts: 1,882
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Not Ranked
I had an "aha!" moment when I removed one of the thread reducer inserts from one of the holes---the inserts are capped on the inside end, making them a seal in and of themselves. So, to seal these holes you could just use four inserts, one on each end of both heads.
Looking for something else today down at the hardware store I found a separate section of the set screws and found the 5/8"-11's there.
So, in case someone else stumbles across this thread looking for answers...
DD
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Dangerous Doug
"You're kidding, right?"
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01-28-2013, 09:57 PM
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CC Member
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Join Date: May 2008
Location: San Jose CA,
CA
Cobra Make, Engine: SPF_R_/BRG/FRBoss302/327CI/FordEFI/Under_Car_Exh/
Posts: 2,523
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Not Ranked
The ford part works great - Or cup set screws like ; McMaster-Carr
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Steve SPF 2734 MK3 / Brock Coupe #54- panavia.com
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