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Old September 15th, 2007, 11:30 AM   #1
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350 spark plug gap

hi whats the gap for a 350 olds?

thanks
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Old September 15th, 2007, 12:55 PM   #2
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Do you know what year motor?
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Old September 15th, 2007, 12:56 PM   #3
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Looks like most are 0.060
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Old September 15th, 2007, 01:01 PM   #4
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gap

its a 1972 350 olds motor my hanes book doesnt say
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Old September 15th, 2007, 01:46 PM   #5
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HEI or points?
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Old September 15th, 2007, 01:49 PM   #6
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Have you tried asking your local auto parts store? They should be able to give you the correct gap.
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Old September 15th, 2007, 01:52 PM   #7
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my parts store says 0.040 hei i belive. also when im shopping for headers what other cars are exact same fit. camero? firebird? are they the same size as the 442 big block?

thanks

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Old September 16th, 2007, 03:20 PM   #8
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No 442 big block exist! You have a 350 in an A-body car. Like a Chevelle/ Malibu, Lemans/GTO, Skylark/GS. Thos would be some sismlar models
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Old September 16th, 2007, 03:21 PM   #9
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Points gap .032, HEI gap .045
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Old September 17th, 2007, 01:13 AM   #10
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Quote:
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Points gap .032, HEI gap .045
FSM should say '030" for the '72 engine.
FSM should say .045" for the '74 engine.

The extra .015" is to fire the lean mixtures in the emission controlled '74, and up, engines.

.032" will work fine in any, non emissions, application.

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Old September 17th, 2007, 03:57 AM   #11
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hi whats the gap for a 350 olds?

thanks
.035" if you have points, .045" if you have HEI

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Old September 17th, 2007, 05:28 PM   #12
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Thumbs up

thanks guys

the help is great.
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Old September 23rd, 2007, 11:12 PM   #13
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i was running .050 in my motor? but also i have hei and an msd 6a box so, that was ok right?
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Old September 23rd, 2007, 11:12 PM
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