Re: Big block spark plugs?
[Re: EvilScamp]
#1534292
11/17/13 10:27 AM
11/17/13 10:27 AM
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Joined: Jan 2003
Posts: 21,072 Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,072
Niles , Ohio
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Get a set of NGKs and be done with it.No need for fancy plugs.I run them in my 440 with 12.5 pistons on the street.Have them in the kids 413 also.Tried Champion and Autolite race plugs.The NGKs are way better.Rocky
Chrysler Firepower
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Re: Big block spark plugs?
[Re: EvilScamp]
#1534294
11/17/13 11:50 AM
11/17/13 11:50 AM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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What Rock said, k.i.s.s. I ain't used NGK's but I've read (on here) nothing but good reviews on them. trick plugs are snake oil however trimming back the ground electrode but you keep enough bend so you can adj the gap(which unshrouds the flame kernel)/clocking the gap (there's a name for that)/experimenting with different gaps does work & the only trick I would consider trying is filing the center electrode to a point (that would drastically reduce their life but power is power). At the very least you want all edges sharp/not rounded (reduces arc over required voltage which is critical at higher RPM's when there's less time for coil saturation). Grab a point file (if you're old enough to know what they are ). To (really) kiss, NGK plugs gapped at .035" & regularly file the electode edges to keep em sharp, a little antisieze on the threads
live every 24 hour block of time like it's your last day on earth
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Re: Big block spark plugs?
[Re: RapidRobert]
#1534295
11/17/13 11:59 AM
11/17/13 11:59 AM
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Joined: Jan 2003
Posts: 21,072 Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,072
Niles , Ohio
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RR I have at least 4 points files.Just used one about a month ago to file the points in my J Deere lawn tractor.Rocky
Chrysler Firepower
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Re: Big block spark plugs?
[Re: therocks]
#1534296
11/17/13 12:06 PM
11/17/13 12:06 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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Rock I've always known we were (are) kindred spirits. I never forgot way back when the one guy got offended at you calling you kids kids. I used to be a goat farmer & a "kid" is a young goat & I wanted to tell him that my kids are my goats & my goats were my kids & I wanted to post that so bad (since it was true) but that would only have aggravated him (further) which is not what what I generally like to do unless I'm the person being messed with. I gotta go get some breakfast (& some coffee)
live every 24 hour block of time like it's your last day on earth
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Re: Big block spark plugs?
[Re: RapidRobert]
#1534297
11/17/13 02:12 PM
11/17/13 02:12 PM
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Joined: Jan 2003
Posts: 21,072 Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,072
Niles , Ohio
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Hey RR I still have a SnapOn meter for points and dwell etc.Got it for 2 bucks from my brother at a garage sale.He just gave me a new analog Ohm/Volt meter also.Still in the box.It cost him a buck.I remember using them to read codes on the early computer car.Count the meter sweeps.LOL.Ill bet over 1/2 of the guys here never heard of that.I also have 2 sets of the adjusters for setting GM points where you opened the door and turned the screw.Been many years since Ive used it though.Rocky
Chrysler Firepower
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Re: Big block spark plugs?
[Re: EvilScamp]
#1534299
11/18/13 09:14 AM
11/18/13 09:14 AM
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Joined: Jan 2003
Posts: 21,072 Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,072
Niles , Ohio
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I got the race plugs for my aluminum heads.They were under 15 bucks for a set with shop discount.The 62 is sleeping or Id pull one and see what number the kids iron heads are.Rocky
Chrysler Firepower
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Re: Big block spark plugs?
[Re: EvilScamp]
#1534303
11/18/13 02:35 PM
11/18/13 02:35 PM
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Joined: Feb 2005
Posts: 28,312 Cincinnati, Ohio
Challenger 1
Too Many Posts
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Too Many Posts
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
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I would highly recommend to use standard NGK plugs in a 383 and not platinum or iridium plugs. Save yourself some money and heartache. Standard plugs will last longer in our old engines. Those others are more designed for fuel injection where the motors run much cleaner, imo. I found out the hard way years ago after spending some money and time to find out. My
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Re: Big block spark plugs?
[Re: EvilScamp]
#1534304
11/18/13 02:40 PM
11/18/13 02:40 PM
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Joined: Feb 2005
Posts: 28,312 Cincinnati, Ohio
Challenger 1
Too Many Posts
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Too Many Posts
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
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I just remembered that 383 uses the short reach plug, that might be why you can't find a part number for platinum plug? Might not make them in short thread? I was using the 3/4 long reach plugs when I did my real world testing.
Last edited by Challenger 1; 11/18/13 03:36 PM.
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Re: Big block spark plugs?
[Re: EvilScamp]
#1534305
11/18/13 03:24 PM
11/18/13 03:24 PM
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Joined: Jan 2003
Posts: 21,072 Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,072
Niles , Ohio
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NGK part no 3332.Not hard to find.Rocky
Chrysler Firepower
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Re: Big block spark plugs?
[Re: 71birdJ68]
#1534306
11/18/13 03:28 PM
11/18/13 03:28 PM
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Joined: Mar 2013
Posts: 755 Tri Cities TN area
Hailtheleaf538
Never Misses A Coffee Break
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Never Misses A Coffee Break
Joined: Mar 2013
Posts: 755
Tri Cities TN area
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you didn't happen to race at Cherokee did ya?
Organized Labor: The people that brought you the weekend.
If you can't grasp the meaning of the phrase "tongue in cheek", don't respond.
1970 H code Swinger, Top Banana
2012 Liberty Jet 4x4 True Blue Pearl
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Re: Big block spark plugs?
[Re: RapidRobert]
#1534310
11/18/13 10:49 PM
11/18/13 10:49 PM
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Joined: Jun 2008
Posts: 3,916 usa
lewtot184
master
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master
Joined: Jun 2008
Posts: 3,916
usa
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Quote:
Quote:
86 in a hot motor and 85 in a cold motor , hot motor would be a race engine ,a cold motor is a street engine
With Autolites which plug is hotter, the 86 or the 85?
86 is hotter than the 85.
i've used several kinds in my iron head b engines. my favorite has always been the champion j11y. it was designed for the mopar head. don't care much for the j10y or j12y. autolite 85's are a decent inexpensive plug. autolite 74's are o.k and motorcraft 42's work ok. i've used bosch 4036 platinums. i don't think they're any better or worse than anything else.
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