1. Oct 31, 2012 #1
   

   Seaweed Well-Known Member

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   Have a 428- PI, Plugs call for a # BF 32 Autolite . All I can get is # 45 autolite that come with no washers. Is their any diff. in the heat range with this plug, & what about the washers ?? ------Thanks S.

    

   Seaweed, Oct 31, 2012

   Seaweed, Oct 31, 2012

   #1
2. Nov 6, 2012 #2
   

   BillH Well-Known Member

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   The Autolite 45 plug crosses to the BF-32 Motorcraft plug so the heat range is fine. The plugs are 18MM and have a tapered seat on the bottom that seals against the cylinder head so no washers were used.

    

   BillH, Nov 6, 2012

   BillH, Nov 6, 2012

   #2