[DeTomaso] Spark Plugs

[Will Kooiman]

Autolite 3923, 3924, 3926 are 14mm, 3/4" reach with gasket.  They fit my
heads perfectly.

Jack - is there a reason you are running 5/8" reach plugs?

-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of JDeRyke at aol.com
Sent: Saturday, July 31, 2010 9:20 PM
To: grayjim at att.net; detomaso at realbig.com
Subject: Re: [DeTomaso] Spark Plugs

JIm, I don't have my heat range chart handy, but are these TF's aluminum 
heads? Getting the right heat range is one thing but having the correct
reach 
to tighten up is also important. Most aluminum heads use 5/8" or 3/4" - 
reach plugs; quite different from stock 0.468"-reach plugs for iron-heads on

351-Cs. My aluminum SVO heads take 5/8"-reach plugs that also fit an 
aluminum-headed smallblock Corvette. No problems with those AC plugs the
last 19 
years. - I really ought to pull them sometime and check.... FWIW- J DeRyke
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