Super Jet which plug for a 701 sj milled head and b-pipe

[snirunner24]

So I just bought a 701 sj with a milled head and was doing some research on what plugs to put in it. I was going to use standard br8hs but it has a set of br8es in it right now. So what should I go with

 

[Matt_E]

Br8es

 

[dragginblazer]

I run B8HS on a stock head

 

[Byeai]

Br8es

Sent from my SAMSUNG-SGH-I897 using Tapatalk 2

 

[tomski]

Br8es

I think you mean BR8HS/B8HS short reach for the stock head. I have a few stories from people that have used the ES plugs.

 

[ADDict]

I think you have to run the hs plugs on a stock head. The threads on the es plug are double the length of the threads on a hs plug making the plug hang down into the cylinder too far.

 

[snirunner24]

Sorry its br8hs/br8es bam auto spell. The thing has es in it now. So the real question is hs,es

 

['kotajoe]

Run the hs plugs

 

[Matt_E]

I think you mean BR8HS/B8HS short reach for the stock head. I have a few stories from people that have used the ES plugs.

Yes, I did. Autocorrect changed it to ES. Thank you for catching that.

 

[snirunner24]

So hs seems to be more common. Now should it be b8hs or br8hs?

 

[Matt_E]

It's not about it being common. Stock head - HS. Aftermarket head - ES. The plugs are different lengths.
Resistor plugs weren't required in earlier SJ's, but now they are. Nothing really changed in the ignition to require this, but there you go. I'd put the BR8HS in it.

 

[donteatdirt]

I run b8hs and have the same setup been running them for years with no problems. br8hs will work too they just have a resistor which doesn't make a difference with stock electronics.

 

[SXIPro]

Autocorrect is the devil !! Gonna have people slamming pistons into spark plug electrodes.

Personally, I'd go with the BR8HS-SOLID

 

[Matt_E]

I don't think the ES plugs are long enough to slam into the crown when installed in a stock head

 

[snirunner24]

Cool br8hs is the way to go, thanks for all the help

 

[Tyler Zane]

just so we are all clear on the difference between br8es and br8hs.. the e=19mm thread depth and h=12.7mm thread depth.

I wouldnt try running the br8es in a stock head despite whether Matt thinks you can or not.

 

[SXIPro]

I don't think the ES plugs are long enough to slam into the crown when installed in a stock head

It was a milled stocker though. But, yeah, they probably didn't take enough off that there'd be an issue. Funny story; one day I am out in my yard working on my boat and my neighbor's son who is about 17 at the time comes over to talk to me. He is holding the head of a Mercury outboard in one hand, and 'shaving it down' with the metal rasp file he was holding in his other hand. Can you guess the outcome of that little mod?

 

[tomski]

I don't think the ES plugs are long enough to slam into the crown when installed in a stock head

Oh yes they are.

Why does my ski run like crap? All I did was install new plugs...

 

[gabe_k]

br8es will NOT hit the pistons.... i ran them for a year. the h plugs are the correct plugs to run, but either or will work just fine. when you go to an aftermarket head tho(ADA) you need to use br8es.

 

[Tyler Zane]

Why in the world would you knowingly run the wrong plugs for years? seriously...

the only reason the ada heads calls for longer thread reach is because of the way the dome is designed. optimally you want the spark in the center of the combustion chamber, which is something you dont even have to think about, you just have to run the plugs they say. retard proof if ya ask me...