Running a shorter sparkplug??

[ags0702]

Can you run a shorter than normal plug in order to lessen compression a bit? Will it run with a shorter plug, or run like garbage? Anyone tried this? Prolly a dumb question, but I'm asking because I was thinking about it and I don't know!:drive:

 

[tor*p*do]

it wont have much of an effect
thick copper headgasket?

 

[ags0702]

I don't know, you don't use a head gasket on girdle heads...not sure if it would work using one. . .

 

[Drav]

You shouldnt have an issue using a copper gasket though, the orings should seal with it no problem.

 

[ags0702]

You shouldnt have an issue using a copper gasket though, the orings should seal with it no problem.

Ok, that would knock the compression down a bit. Where do you get copper gaskets? All I can usually find are the composite gaskets.

 

[#ZERO]

I wouldn't use the shorter reach plug because it will cause combustion problems and maybe hot spots.

Those domes may have already been machined from the pictures.

I would install the head and check the compression and squish gap clearance.

If you need to lower the compression a bit I'd go with a thicker base gasket to add some extra cc's and widen the squish gap if needed.