PREMIUM. The 3922s are cooler, but more likely to foul on you. If you go
that route, keep a spare set around with the tools to swap them on the road.
But, I'd wager that you will still have some pinging. You could always mix
premium and mid grade to get 91 if the 93 octane (FL premium) is too rich
for your blood.
TonyC
-----Original Message-----
From: Travis Bailey <dusterrt@msn.com>
To: dakota-truck@dakota-truck.net <dakota-truck@dakota-truck.net>
Date: Saturday, January 10, 2004 4:07 AM
Subject: DML: Grr...still pinging
I was a busy individual this morning, afternoon, evening and night, ran a
can of the GM top end cleaner to clean up the combustion chambers, did the
intake gaskets at a casual pace, 180 'stat, and a set of 3923's. Pinging
has nearly gone away...nearly. Consistantly at WOT in 3rd I'll get some
ping still, from time to time in second as well. Not nearly what it was but
it's not gone entirely. This is on mid-grade (89 octane) gas as well. Does
this mean I might benefit from going another step cooler in plugs, and if so
would that be 3922 or 3924? Or should I try some premium first?
Travis
'92 Dak 5.2 4x4, knock knock knockin on heaven's door...
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