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[GMCnet] AC spark plug for our 78 403 [message #326295]

Thu, 23 November 2017 18:55

BobDunahugh

Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA

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Senior Member

When the PO put AC plugs in. R46SX plugs were installed. According to a shop manual that I have. The correct plug for the 403 is R46SZ. I'm not up on the meaning of the X, and Z. I'm sticking with the AC plugs. Bob Dunahugh
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[Message index]

		[GMCnet] AC spark plug for our 78 403 By: BobDunahugh on Thu, 23 November 2017 18:55
		Re: [GMCnet] AC spark plug for our 78 403 By: emerystora on Thu, 23 November 2017 19:34
		Re: [GMCnet] AC spark plug for our 78 403 By: mrgmc3 on Fri, 24 November 2017 10:36
		Re: [GMCnet] AC spark plug for our 78 403 By: BobDunahugh on Fri, 24 November 2017 11:30
		Re: [GMCnet] AC spark plug for our 78 403 By: powerjon on Fri, 24 November 2017 12:20
		Re: [GMCnet] AC spark plug for our 78 403 By: JohnL455 on Fri, 24 November 2017 13:39

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