spark plugs
03-09-2016, 08:25 PM
#1
4th Gear
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spark plugs
I just bought a 1990 c4. I just noticed that previous owner put in AC Delco R45TS spark plugs in the aluminum heads, the service manual says to use AC Delco FR5LS plugs will the previous owners choice ruin the heads because those plugs are for cast iron heads, when I try to remove them
03-09-2016, 08:49 PM
#2
Hope he used antisieze.