1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Spark Plugs

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Nov 12, 2015 | 09:16 PM

#1

Johno.h

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Joined: Jul 2015

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From: Victoria, Australia.

Spark Plugs

Hi there I've just been doing a service on my 1981 f100, 351 Cleveland, and I'm just wandering what do I torque the spark plugs to in (Newton meters) thankyou

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Nov 13, 2015 | 02:11 AM

#2

FordFETruck

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From: Algona,WA

If they're taper seat, you turn them 1/16th (1.58mm) of an inch past bottoming out. Taper seat, roughly 1/4 turn. They don't need to be that tight.

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