I just replaced mine with the E3 spark plugs. My mileage actually increased, and the engine has been running really well.
----- Original Message ----
From: David Grigsby <grigsbydl2003@gmail.com>
To: dakota-truck@dakota-truck.net
Sent: Tuesday, November 13, 2007 7:02:10 PM
Subject: Fwd: DML: NGK Sparkplug ? Sorry guys :-)
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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