[DeTomaso] Spark plug question

[Mike Drew]

Brent,

Do you have iron 351C heads or aluminum heads?  That can maybe make a difference???

Mike

Sent from my iPhone

On Apr 6, 2014, at 14:39, Brent Stewart <bjbstewart at yahoo.com> wrote:

> All, 
> The auto lite 3926 is what I have in my 351 cleveland stroker. I thought I had read that some of you had changed to the AR-25 racing on the left. 
> 
> Seems to be a pretty big difference, am I doing it wrong? :-)
> 
> Specifically, thread count and lack of washer have me concerned that this ain't the right answer.  
> 
> Any help would be appreciated!!
> 
> <photo.JPG>
> 
> 
> 
> Brent
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