correct plug gap
08-05-2006, 01:35 PM
#1
I ♥ Acer
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Join Date: Jun 2006
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Posts: 137
correct plug gap
i went to this site and found the decal that is missing off my car. turns out plug gap in my manual is wrong they say .042.its .052-.056
for a 87 302.
http://www.autozone.com/servlet/UiBr...3d801665cc.jsp
for a 87 302.
http://www.autozone.com/servlet/UiBr...3d801665cc.jsp
08-05-2006, 03:06 PM
#2
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Join Date: Oct 2005
Location: st clair shores MI
Posts: 6,028
RE: correct plug gap
.052 is typical for a HO 302
but, gapping anywhere under is fine and sometimes better , if your ignition starts to break up at hi r's, the plug will still fire good w/ say a .045" gap
there will be no real loss of hp by going less, but could be by going more.
if you have a 1000 hp motor, yes you'll notice 10 hp or so diff from a a small gap
but, gapping anywhere under is fine and sometimes better , if your ignition starts to break up at hi r's, the plug will still fire good w/ say a .045" gap
there will be no real loss of hp by going less, but could be by going more.
if you have a 1000 hp motor, yes you'll notice 10 hp or so diff from a a small gap
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