spark plug thread depth

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Gamikatsu

OBS Enthusiast
Joined
Jun 7, 2011
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Location
Warner Robins GA (South of Atlanta 1.5 Hr)
ok question...

my 97 blazer 4.3...

pulled the plugs... great looking brand new delco rapidfire platinum #1's... well all great except... it calls for a rapid fire platinum #14. .708" plug... not a .460" plug. what kind of problems would having a short plug cause? incomplete burn... ammong other problems?
 
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