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Gonna give NGK plugs a shot.
#1400614
03/11/13 01:06 AM
03/11/13 01:06 AM
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Joined: Jan 2003
Posts: 27,421
Balt. Md
383man
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Balt. Md
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I decided to get NGK plugs instead of Autolites just to try them and see how I like them. I slapped the fresh set in yesterday and today was so nice in Md I took the 63 for a cruise. Running great and I hope to get to the track in the next month or two. Seems alot of people like the NGK's so I thought I would give them a try. They cross referenced the Autolite AR3935's I was using with the EZ heads. Ron
Last edited by 383man; 03/11/13 01:07 AM.
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Re: Gonna give NGK plugs a shot.
[Re: 383man]
#1400616
03/11/13 01:25 AM
03/11/13 01:25 AM
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Joined: Mar 2009
Posts: 2,467
Sydney,Australia
tex013
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top fuel
Joined: Mar 2009
Posts: 2,467
Sydney,Australia
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that's all i use for myself and customers cars Ron
Tex
New best ET 10.259@129.65 .
New best MPH 130.32
Finally fitted a solid cam,
stepped it up a bit more
3690lbs through the mufflers
New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm
Power by Tex's Automotive
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Re: Gonna give NGK plugs a shot.
[Re: mopacltd]
#1400619
03/11/13 11:20 AM
03/11/13 11:20 AM
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Joined: May 2004
Posts: 3,210
robin hood country
deaks
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master
Joined: May 2004
Posts: 3,210
robin hood country
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I use NGKR5671A-10 FOR MY Edelbrock RPM's 76 cc 12.7.1 comp. They are the hottest none projected tip they do. I think the 35 is the Autolite equivalent.
Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
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Re: Gonna give NGK plugs a shot.
[Re: Eric]
#1400623
03/11/13 05:36 PM
03/11/13 05:36 PM
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Joined: Sep 2003
Posts: 2,008
Sweet Home Alabama
MRMOPAR622
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Sweet Home Alabama
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Does the NGK have the cut back electrode like the Autolite & Champion?
"To Be The Man'You Have Got To Beat The Man"
"T/D and Pro-Bracket Racer"
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Re: Gonna give NGK plugs a shot.
[Re: superwrench]
#1400626
03/11/13 07:48 PM
03/11/13 07:48 PM
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Joined: Jan 2003
Posts: 27,421
Balt. Md
383man
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Quote:
I've run NGK's for years Ron......wouldn't use anything else anymore. R5671a-8's I beleive.
I learned my lesson years ago when riding dirt bikes etc.....put ANYTHING but an NGK in your ride, and chances are you're gonna be looking for a ride home!!! 
The Autolites that Indy told me to run crossed over to R5671A-7. Of course I cant feel no difference but it is running very good. As long as it goes as fast with them I will be happy. Course a little faster never hurts.  Ron
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Re: Gonna give NGK plugs a shot.
[Re: MRMOPAR622]
#1400627
03/11/13 07:53 PM
03/11/13 07:53 PM
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Joined: Jan 2003
Posts: 27,421
Balt. Md
383man
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Quote:
Quote:
Quote:
Does the NGK have the cut back electrode like the Autolite & Champion?
No they have a v grove.
Thanks!
With a full length electrode wouldn't the plugs need to be index? That is one of the reason's I have always like the cut back electrode no need to index the plugs.I guess my next question would be is a plug with a full length electrode as good as one with a cut back electrode in a Race engine?
These are only questions,I try & never pass up a chance to learn more on anything that is related to a race engine. 
I have never indexed mine when I ran the standard Autolites. I really think its a waste of time for a street car like mine as I have never heard of anyone really going much if any faster with indexing. Its more a pain in the butt to me with marking and shimming the plugs. A few are tuff enough to get at without that hassle.
If I get back to the track I will get an idea of how they work compared to the short strap racing Autolite plugs. Ron
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Re: Gonna give NGK plugs a shot.
[Re: jamesc]
#1400628
03/11/13 08:15 PM
03/11/13 08:15 PM
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Joined: Jan 2003
Posts: 6,531
Jacksonville, FL
Chris2581
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Posts: 6,531
Jacksonville, FL
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The standard Autolites are now made in China.
Nautilus Racing-
We use Superformance gaskets and Turbo Action converters/products.
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Re: Gonna give NGK plugs a shot.
[Re: 383man]
#1400629
03/11/13 08:18 PM
03/11/13 08:18 PM
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Joined: May 2004
Posts: 3,210
robin hood country
deaks
master
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master
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robin hood country
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I tried the 7's and the 9's but found they fouled too easy, no problems with the 10's though. I do have more comp than you though Ron.
Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
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Re: Gonna give NGK plugs a shot.
[Re: deaks]
#1400630
03/11/13 08:19 PM
03/11/13 08:19 PM
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Joined: Jan 2003
Posts: 27,421
Balt. Md
383man
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Quote:
I tried the 7's and the 9's but found they fouled too easy, no problems with the 10's though. I do have more comp than you though Ron.
Mick
I am at 10.6 comp. And thanks as thats good to know.  Ron
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Re: Gonna give NGK plugs a shot.
[Re: 383man]
#1400631
03/11/13 08:22 PM
03/11/13 08:22 PM
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Joined: May 2004
Posts: 3,210
robin hood country
deaks
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master
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robin hood country
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If you look on mancini's site, they show the heat range for the differnt comp motors. Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
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(EDIT: #4554 as per Chucko)