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#1 |
Registered User
Join Date: Aug 2012
Location: St. Croix River Valley, WI
Posts: 795
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R43 Spark Plugs don't fit in crate engine?
I just tried to install some AC Delco R43 spark plugs in the crate engine (190hp 350SBC) in "Old Roy" and they won't thread into the spark plug holes. I had a set of older (used) AC Delco 41-905's (tapered seat) and they went right in. I'm guessing the R43's are the wrong plug for this engine? Should I run a new set of the 41-905s? Or something else?? For what it's worth, I'm running a Skip White HEI distributor and plan to gap the plugs @ .45
Thanks! ![]()
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Meet "Old Roy": http://67-72chevytrucks.com/vboard/s...d.php?t=707801 |
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#2 |
Registered User
Join Date: Nov 2014
Location: Lincoln City DE
Posts: 1,292
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Re: R43 Spark Plugs don't fit in crate engine?
(AC Delco p/n 065-R45TS, Autolite p/n 417-144)
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Stan 67 swb BLU MULE posted via flip-fone |
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