351M spark plug gap?

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Apr 20, 2019 | 09:33 PM

#16

TXTrailerdaddy

Tuned

Joined: Mar 2002

Posts: 285

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From: San Antonio, TX, USA

Not to hi-jack the thread, but I'm running the HEI distributor. Any idea where I should gap mine?

Apr 21, 2019 | 09:20 PM

#17

66point6

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Joined: Apr 2019

Posts: 2

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Quote:

Originally Posted by TXTrailerdaddy

Not to hi-jack the thread, but I'm running the HEI distributor. Any idea where I should gap mine?

I would gap those plug regardless of engine and distributor @.53 From what I have read most of the retarded de stroked engines use low gap only to meet emission standards,but they still perform better burning more fuel than a lower gap.

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