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Spark plug gap for a 1970 383 4bbl??? #90046 07/17/08 09:49 PM 07/17/08 09:49 PM
A Anonymous OP Unregistered
Anonymous OP Unregistered A	Hey everybody, My bonehead question for the day: anybody know what gap to run on spark plugs for a 1970 383 4bbl? Do the new plugs come pre-gapped out of the box? Thanks in advance! PHM

Re: Spark plug gap for a 1970 383 4bbl??? #90047 07/17/08 09:52 PM 07/17/08 09:52 PM
Joined: Nov 2007 Posts: 21,814 Kirkland, Washington Pacnorthcuda Too Many Posts
Pacnorthcuda Too Many Posts Joined: Nov 2007 Posts: 21,814 Kirkland, Washington	.035" ALWAYS check new plugs...assume nothing

Re: Spark plug gap for a 1970 383 4bbl??? #90048 07/17/08 09:52 PM 07/17/08 09:52 PM
Joined: Jul 2008 Posts: 30,424 Florida STAYcation dOc ! The village idiot's idiot
dOc ! The village idiot's idiot Joined: Jul 2008 Posts: 30,424 Florida STAYcation	They should be 035 out-of-the-box.

Re: Spark plug gap for a 1970 383 4bbl??? [Re: dOc !] #90049 07/17/08 09:55 PM 07/17/08 09:55 PM
Joined: Jan 2003 Posts: 18,407 UPPER MICHIGAN, MARQUETTE COUN... N NITROUSN I Live Here
NITROUSN I Live Here N Joined: Jan 2003 Posts: 18,407 UPPER MICHIGAN, MARQUETTE COUN...	Quote: They should be 035 out-of-the-box. Never, never trust that they are correct out of the box. Always check.

Re: Spark plug gap for a 1970 383 4bbl??? [Re: NITROUSN] #90050 07/17/08 10:04 PM 07/17/08 10:04 PM
Joined: Jul 2008 Posts: 30,424 Florida STAYcation dOc ! The village idiot's idiot
dOc ! The village idiot's idiot Joined: Jul 2008 Posts: 30,424 Florida STAYcation	Of COURSE check them ... but the last 5 or 6 sets of plugs I have put in cars have been dead-on.

Re: Spark plug gap for a 1970 383 4bbl??? [Re: dOc !] #90051 07/17/08 11:14 PM 07/17/08 11:14 PM
A Anonymous OP Unregistered
Anonymous OP Unregistered A	I'm getting old. As such, I've seen a few things. DO NOT EVER 'not' gap your plugs.

Re: Spark plug gap for a 1970 383 4bbl??? #90052 07/17/08 11:27 PM 07/17/08 11:27 PM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	You might try .040". the stock ign can handle the increase in required voltage to jump this slightly larger gap & it gives a bigger spark "kernel" to light the mixture. live every 24 hour block of time like it's your last day on earth

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