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Posted

I just aquired a 4K engine which is currently running a bit rough so i thought i would pull out the spark plugs for a look see

 

When i unscrewed the plug, the sleeve/surround came out with it

 

Is this normal?

If not does it need to be fixed?

How?

 

And also, i want to get a good set of plugs to suit the engine specs

as far as i know it has standard internals except for the cam, twin dellortos & extractors

 

Any reccomendations for plugs would be appretiated

 

Cheers - Andrew

Posted

Yep, totally normal for them to come out.

 

They have a rubber O-ring just under the lip. Make sure that your spark plugs are in before you do an oil change, otherwise you're going to fill up the piston bores with oil and that motor wont crank over.

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