Ceramic plug boot or short spark plug

[MRM]

I've got a 90 degree boot touching the header and it is right at the corner of the boot.
I don't think that a straight boot would help much.

Should I go with ceramic plug boots or short plugs (1/4 to 3/8 shorter) or both?

As it is, I don't think the protective sleeves would help as it is touching.

Your thoughts?

Chevy 350, just one cylinder is touching ,but the others are close.

 

[MRM]

The greasy spot is dielectric grease that started life inside the boot.
I'm thinking the ceramic plug boot should work. There is a very slight air gap after all when it is oriented right.

 

[BillsCamino]

Autolite AR series plugs are slightly shorter.

 

[bambam]

Try a 45 degree boot there.

 

[MRM]

Autolite AR series plugs are slightly shorter.

Oops...I think that is what I just took out of there!
Let me go look.

 

[BillsCamino]

Also, Taylor 90 degree boots are more compact...

 

[Tony2X]

I've got a 90 degree boot touching the header and it is right at the corner of the boot.
I don't think that a straight boot would help much.

Should I go with ceramic plug boots or short plugs (1/4 to 3/8 shorter) or both?

As it is, I don't think the protective sleeves would help as it is touching.

Your thoughts?

Chevy 350, just one cylinder is touching ,but the others are close.

 

[MRM]

It was the AP series. Same legnth.

 

[BillsCamino]

Need Autolite AR25

 

[MRM]

Made from lava rocks!