View Full Version : Spark plugs for 5.7?
Can someone tell me what spark plugs are used for a 1986 OMC 5.7 260 horse?
marcdups
03-24-2002, 12:48 PM
Cuda, they are champions RV15YC4, hope this helps
Thanks, I'm going to cross reference them to another plug, because the Champion plug is what started my whole mess in the first place. I had one blow the center out of the plug, the outside was still screwed into the block. I thought I had thrown a rod or something.
Rootsy
03-24-2002, 07:56 PM
AC Delco MR43T
Cuda, so are you saying that part of the plug was bouncing around your cylinder. Any idea what would cause this, OUCH !
Sam
The electrode was still connected to the plug wire, laying in the bottom of the bilge. I guess I'm lucky it didn't go through the hull. :o
Donzified
03-25-2002, 11:40 AM
I hate that sound.The same thing happened to me in a friends 1986 18' classic. After I found out what it was we had to run to the nearest safe harbor.A donzi allways atracts attention.That classic floating in making such a noise brought down the club in numbers.A good thing though because one of them were nice enough to give up a new plug out of there tune up kit.I'ts a pretty swanky club ,good thing we wern't limping up in a Bayliner.
After that I always pack an extra plug in my Donzi bag.
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