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01-13-2004, 12:57 AM
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CC Member
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Join Date: Sep 2003
Location: Los Angeles,
CA
Cobra Make, Engine: 1968 AC COBRA COB 6132, 427 SC Side Oiler the last original AC chassis built for Paramount
Posts: 537
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Not Ranked
What spark plugs are you using for your 427SO
I have heard that NGK is a good plug for older V-12 Ferraris. Does anyone have any experience with NGKs for 427 SO. Or should I stick with the Autolites???
Shin
__________________
Shin Takei (Not related to Mr. SULU)
Enjoy the six pleasures of life: Good Health, Good Food, Good Friends, Good Sleep, Good Sex, and Driving your Cobra
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01-13-2004, 07:03 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: 26,600
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Not Ranked
Shin,
I can't really comment on the NGKs as I have never used them but I have used several other types in both my big block and stroker and kept coming back to the Autolites. I could see no gains at all in performance and the extra money was just wasted in my case. Also if you are runnig a Jacobs or MSD don't use any type of Platinum plug. Just the regular electrode type will work best.
Ron
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01-13-2004, 06:39 PM
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CC Member
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Join Date: Oct 2003
Posts: 4,078
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Not Ranked
Deamon,
Ngk's are a good brand. Ferrari and drag-race guys love them. I use Accel 416's in my Shelby heads, and used Accel 375's in my iron med.risers, as recommended by my machinist. They are trouble free and read very consistently. They are very similar to NGK's with their "U-Groove" ground.
__________________
Chas.
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01-13-2004, 07:36 PM
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CC Member
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Join Date: Feb 2002
Location: Denver,
CO
Cobra Make, Engine: Classic Roadsters 427 C/O w/ Dual Quads
Posts: 303
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Not Ranked
SPEEDEAMON ,
My engine builder here in Denver recommends BF32's.
I am very happy with their performance in my C/O.
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01-13-2004, 07:40 PM
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CC Member
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Join Date: Sep 2002
Location: Fort Worth,
TX
Cobra Make, Engine: Superformance Roush 427
Posts: 436
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Not Ranked
We use nothing but NGK in all our (19) school cars, (15) race cars, (3) Vans, (1) 4 wheeler, (1) golf cart. I think their the best, besides they gave me a neat bar stool for Christmas.
Go NGK, db
__________________
Don Barnes
Driving Instructor
texasdrivingexperience.com
Texas Motor Speedway
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01-15-2004, 01:37 AM
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CC Member
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Join Date: Sep 2003
Location: Los Angeles,
CA
Cobra Make, Engine: 1968 AC COBRA COB 6132, 427 SC Side Oiler the last original AC chassis built for Paramount
Posts: 537
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Not Ranked
Thanks everyone for your suggestions. My friends with Ferraris have all gone to NGK and swears by it. I run Webers so it may be close. My mechanic also recommends getting rid of the MSD and installing a hi-po distributor with Pertronix. What are your experience with that.
Shin
__________________
Shin Takei (Not related to Mr. SULU)
Enjoy the six pleasures of life: Good Health, Good Food, Good Friends, Good Sleep, Good Sex, and Driving your Cobra
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04-25-2004, 03:49 PM
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CC Member
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Join Date: Jan 2002
Location: Northern California,
CA
Cobra Make, Engine: -Sold- Contemporary 427S/C # CCX-3152 1966 427 Med Rise Side Oiler, 8v 3.54:1 Salisbury IRS, Koni's.. (Now I'm riding Harleys)
Posts: 2,567
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Not Ranked
Which autolite plug? The only ones I see listed for the 427 is the AP 45 which is a platinum plug...
__________________
michael
A man that is young in years, may be old in hours, if he have lost no time. But that happeneth rarely. Generally, youth is like the first cogitations, not so wise as the second. For there is a youth in thoughts, as well as in ages... Sir Francis Bacon (1561-1626)
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04-25-2004, 04:08 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
Shin: What reason did he give you for switching to HiPo distributor and Pertronix in Lieu of MSD . Curious????
Rick
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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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04-25-2004, 05:52 PM
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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
The car came with those "Split Fire" plugs. I've pulled them a couple of times under various conditions to "read them". No complaints, they doing a fine job and the motor revs to 7000 without complaint.
"Pro Control" rev limiter with "Mallory" electronic ignition and distributor.
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04-25-2004, 07:59 PM
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CC Member
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Join Date: May 2001
Location: The Heart of the Citrus District,
NJ
Cobra Make, Engine: Sold 3047 & 3002 in 2012
Posts: 2,763
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Not Ranked
Speed
NGK all the way.
Remember, their colder plugs are the reverse numerolgy as the traditional plugs. Check your heat ranges. Don't go too cold for the street.
MSD has always been my choice. Nascar run it. I have no experience with petronix.
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04-25-2004, 08:53 PM
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CC Member
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Join Date: Jun 1999
Location: Woodinville,
WA
Cobra Make, Engine: VICTORY, 92 C.I., belt drive, saddle bags.
Posts: 666
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Not Ranked
NGK all the WAY!!
Been using them in my 390FE for 5 years.. no foul. Years ago, the only plug my 1972 Corvette LT-1 could run. I love 'em...
http://www.clubplug.net/
Buy 'em there.
Zderf... 
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04-25-2004, 09:21 PM
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CC Member
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Join Date: Jun 2003
Location: New Haven,
CT
Cobra Make, Engine: Everett-Morrison, 428FE, glove box signed by Carroll Shelby
Posts: 52
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Not Ranked
Many years ago I worked for Echlin which manufactured and marketed the Accel brand (major component supplier through NAPA).
Back then, I think the Accel plugs were made by Bosch.
But of course, Echlin bought Mr. Gasket, merged with Dana, and was sold to Standard Motor.
Most likely the Accel plugs are made by NGK today. Only the best was sold under the Accel brand and their test labs were excellent.
Chuck
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04-26-2004, 12:28 AM
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CC Member
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Join Date: Sep 2003
Location: Los Angeles,
CA
Cobra Make, Engine: 1968 AC COBRA COB 6132, 427 SC Side Oiler the last original AC chassis built for Paramount
Posts: 537
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Not Ranked
"Shin: What reason did he give you for switching to HiPo distributor and Pertronix in Lieu of MSD . Curious????"
Rick, I am not sure. I will find out when I take my car to be dialed in. I think he said that it was an option. Should I not do that?
Shin
__________________
Shin Takei (Not related to Mr. SULU)
Enjoy the six pleasures of life: Good Health, Good Food, Good Friends, Good Sleep, Good Sex, and Driving your Cobra
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04-26-2004, 01:24 AM
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Senior Club Cobra Member
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Join Date: Jul 2001
Location: Evans,
CO
Cobra Make, Engine: NAF 289 FIA, 347 stroker with Weber 48's, building a '48 Anglia gasser, driving a '55 Chevy resto-rod
Posts: 3,119
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Not Ranked
Quote:
Originally posted by SCOBRAC
Which autolite plug? The only ones I see listed for the 427 is the AP 45 which is a platinum plug...
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Believe it or not I'm using the AP 45 Platinum plugs in my little 289 HI-PO. Tried NKG, probably a $100 bucks worth ofpug experimentation, and the AP45's are best for "my LB".
I have all MSD ignition, 6AL, Distributor, and coil.
Engine runs through all rpm better w/ the AP45
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