splitfire plugs?

[Perry Noid]

car: '89 240 wagon

I'm about due for some new plugs, and I noticed that the splitfire plugs
would be about the same price (or even a little cheaper) as what I'd
normally put in. I don't really expect them to give any great increase in
gas milage, but even a little would be nice these days! Any problem with
them running too hot? Burning pistons or anything really nasty???

 

[clay]

car: '89 240 wagon

I'm about due for some new plugs, and I noticed that the splitfire plugs
would be about the same price (or even a little cheaper) as what I'd
normally put in. I don't really expect them to give any great increase in
gas milage, but even a little would be nice these days! Any problem with
them running too hot? Burning pistons or anything really nasty???

We ran them for a year or so in a boat I wrenched on. They work fine in
a 434" small block with 16.5:1 compression...
Got to watch out for flash where they split them though. Sometimes
there's a little burr left behind that could glow and cause pre ignition.
We did push the center electrode out of one once.
btw, there was no apparent performance gain and we wouldn't have run
them at all if they weren't free. 24-32 plugs a weekend is beer money!

 

[James Sweet]

car: '89 240 wagon

I'm about due for some new plugs, and I noticed that the splitfire plugs
would be about the same price (or even a little cheaper) as what I'd
normally put in. I don't really expect them to give any great increase in
gas milage, but even a little would be nice these days! Any problem with
them running too hot? Burning pistons or anything really nasty???

I've heard nothing but problems with splitfire plugs. Skip the gimmicks and
use good old plain NGK plugs, they work perfectly every time.

 

[Michael Pardee]

I've heard nothing but problems with splitfire plugs. Skip the gimmicks
and use good old plain NGK plugs, they work perfectly every time.

That's the bottom line - reliable plugs are getting hard enough to find.
NGKs are a good bet.

Mike