I've been using the FR5-1's for the past couple of years with good results.
Dave
---------- Forwarded message ----------
From: Jay & Dana < jay&dana@telus.net>
Date: Nov 12, 2007 4:10 PM
Subject: DML: NGK Sparkplug ? Sorry guys :-)
To: DML <dakota-truck@dakota-truck.net>
For those of you using NGK plugs in a 318, are you using the FR5-1 or the
ZFR5-11 ? And what's your opinion ? Since putting in the Autolite 3923's
my gas milage has dropped.
TIA
-Jay
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