FE Power Forums

FE Power Forums => FE Technical Forum => Topic started by: james on April 15, 2021, 05:40:36 PM

Title: Spark plug question?
Post by: james on April 15, 2021, 05:40:36 PM

For a 427 stroked to 482 would the Autolite Ar-3923 be a good plug to use? And what plug for a boss 460 engine stroked to 572? Thank You!

Title: Re: Spark plug question?
Post by: blykins on April 15, 2021, 05:59:02 PM

Tons of variables there.   Compression ratio?  What heads? 

Title: Re: Spark plug question?
Post by: Jb427 on April 20, 2021, 11:20:04 PM

What is the non resistor version of autolite 3923?