Autolite 3923

schorvitz · Jan 2, 2003

Sean Roe recommended Autolite 3923 plugs for my Viper (mods described in my signature but can also be viewed at http://eric.schorvitz.com/cars/viper_blue.php ). Can anyone help me understand why I was recommended this plug and if anyone is using these plugs could you give me your opinion of them?

Thanks!

Joseph Dell · Jan 2, 2003

Eric -

No idea! But good timing for this discussion... there is that other spark plug discussion going on in the General Discussion forum.

BTW - When am I going to get to see your new sled???

JD

schorvitz · Jan 2, 2003

Hey Joseph!

My sled is getting operated on by JD Farmer. He's doing the following:

1) TSB: re-weld the frame -- takes a week :-(
2) Roe front air dam kit
3) Fluidyne radiator
4) Roe radiator hoses
5) replace door stantions (sp?) and glass since my weather stripping has mysteriously disspeared :-(
6) Replace plugs and wires.

I'm in sunny Tucson Arizona right now doing some work at the U of A. I'll be back in town on the 16th. Perhaps we can get together then?

Sean Roe · Jan 3, 2003

Hi Eric,
Generally, if you increase the power output of an engine or operate it at higher RPM levels, you go a step or two colder on the spark plug. The stock plugs are in the "hot" heat range (as most new cars are). Have someone who knows how to read plugs check the originals you pull out to see what they think (if you should change the temperature range or not). The 3923 is a plug we have used with bolt on mods and was the first one that came to mind when you asked about what plug to run.

Sean

Lee Dove · Jan 5, 2003

I run the 3923 Autolite plugs in mine and agree with Sean. Just be sure to use a little anti-seize when installing them...

Autolite 3923

schorvitz

Viper Owner

Joseph Dell

Enthusiast

schorvitz

Viper Owner

Sean Roe

Supporting Vendor

Lee Dove

Enthusiast

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