62BT409
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Road Runner. Does anyone have the link to the informational page?
Tune-up specs for a 70 Plymouth 383
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1badstroker
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Well, I have the info, You did not mention a auto trans or a 4 speed, The plugs are the same for either, J11Y, The dwell for a points dist. is 28 1/2 to 32 1/2 ( point gap .016 to .021 )timing is 2 1/2 btdc on the auto trans and TDC + or - 2 1/2. Idle is 750 on both. Hope it helps.
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IF you are still stock and have points, set your points wide and your plugs narrow a bit and the car will 'drive' itself into a good tune and last longer. Also, use Bluesteak tuneup parts.....NEVER use the junk from ChinaMart or the local AutoZonedout unless they have the Bluestreak name brand. Anything besides that won't last.
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