spark plugs

uss cape cod

Cadet
Joined
Apr 26, 2005
Messages
7
I HAVE A 1973 JOHNSON,V4 I WOULD LIKE TO KNOW WHAT<br />TYPE AA PLUGS I SHOULD USE AND GAP SIZE,I HAVE A VBOOK IT DOSE NOT TELL THE GAP SIZE [/LIST]
 

mikeyzx2

Chief Petty Officer
Joined
May 1, 2005
Messages
633
Re: spark plugs

book says UL77V, which states is a non-adjustable gap
 

mikeyzx2

Chief Petty Officer
Joined
May 1, 2005
Messages
633
Re: spark plugs

what horsepower anyways? don't really matter cause all the 1973 models listed recommend the UL77V (champion), cross-reference Autolite #2892, NGK #BUHXW-1, AC #VB40FFM, and Motorcraft #AVZKO
 
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