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07-10-2012, 02:05 PM
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CC Member
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Join Date: Jan 2012
Cobra Make, Engine: Superformance /427 sideoiler
Posts: 24
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Not Ranked
Best sparkplugs for 427SO
Just finished building my 427 SO.
I am looking for the best spark plugs to use?
Thanks for the info!
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Advertising

07-10-2012, 05:51 PM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,533
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Not Ranked
Quote:
Originally Posted by Cetts 428
Just finished building my 427 SO.
I am looking for the best spark plugs to use?
Thanks for the info!
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I don't know but you probably need to provide a little more information about the engine to get a good answer - like compression, iron vs aluminum heads, camshaft, induction system, etc
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07-10-2012, 06:04 PM
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CC Member
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Join Date: Jan 2011
Location: Rockland County,
NY
Cobra Make, Engine: West Coast Cobra/427
Posts: 853
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Not Ranked
I have a real side oiler (original) uses Autolite 45
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07-10-2012, 07:57 PM
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CC Member
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Join Date: Jul 2005
Location: bridgeport,
n.y
Cobra Make, Engine: era 427 side oiler
Posts: 106
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Not Ranked
yep: what he said!
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07-11-2012, 01:48 PM
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Senior Club Cobra Member
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Join Date: May 2007
Location: Mesa,
AZ
Cobra Make, Engine: Contemporary Classic, 428 FE CCX 3069
Posts: 7,512
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Not Ranked
I've always had the best luck with NGK.
__________________
Dan in Arizona
CCX3209
"It's a great car and I love it, but it doesn't do 'SLOW' very well."
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07-11-2012, 03:50 PM
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CC Member
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Join Date: Apr 2009
Location: Bethesda,
MD
Cobra Make, Engine: CSX 6022, navy blue, period correct 427 SO
Posts: 2,154
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Not Ranked
x2 on Autolite 45
__________________
“There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games.”
www.partskeeper.com
(Less time searching, more time wrenching & driving)
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07-11-2012, 05:35 PM
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CC Member
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Join Date: Jul 2005
Location: Bartlett,
Ill
Cobra Make, Engine: Everett-Morrison LS1
Posts: 2,448
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Not Ranked
I think back in the 60s I used Champion F9Y-----and make sure you have your plug wires on correctly---Patrick has a picture
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07-11-2012, 06:43 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by Jerry Clayton
...Patrick has a picture
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In the spirit of full disclosure, I had them in the 5-6-7-8 order for years, without any cross-firing problems at all, and then Jerry harangued me in to putting them in to the order that you see below. I always do what Jerry tells me to do.

Last edited by patrickt; 11-03-2016 at 10:32 AM..
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07-11-2012, 07:35 PM
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CC Member
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Join Date: Jul 2005
Location: Bartlett,
Ill
Cobra Make, Engine: Everett-Morrison LS1
Posts: 2,448
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Not Ranked
If you want an FE engine to be original, set it up as Ford did it---------------
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07-11-2012, 07:40 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by Jerry Clayton
If you want an FE engine to be original, set it up as Ford did it---------------
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Yep. BTW, Jerry, did you see how our corner weight thread ended? Best way to adjust rear coil overs for proper height on my SPF
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07-11-2012, 08:01 PM
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CC Member
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Join Date: Jul 2005
Location: Bartlett,
Ill
Cobra Make, Engine: Everett-Morrison LS1
Posts: 2,448
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Not Ranked
nope-as I stated , I would not have another response so I never followed up on any of it-----
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07-11-2012, 08:03 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by Jerry Clayton
nope-as I stated , I would not have another response so I never followed up on any of it-----
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Well, you owe it to yourself to read the last post by Silverback51.... 
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07-11-2012, 09:01 PM
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CC Member
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Join Date: Jul 2005
Location: Bartlett,
Ill
Cobra Make, Engine: Everett-Morrison LS1
Posts: 2,448
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Not Ranked
so I spent the last hour reading thru all 10 pages--should of kept score as I went----
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