The difference is the "Special Power Tip" that is on the 522x series. The
392x series don't have this tip. (That's what comes on our trucks anyway.)
- Bernd
-----Original Message-----
From: owner-dakota-truck@buffnet.net
Subject: DML: Re: RE: sparkpulgs
Absolutely, get the autolites. I got lost when Bernd told us the difference
between 3923's and 5223's, but I know for a fact that when I went from (24hr
old) champions to the autolite 3923's I gained between 4 and 6hp at the
tires. Check on my webpage if you want to see the dyno sheets for yourself.
http://www4.ncsu.edu/~jdsmith4
___________________
Jon Smith--Raleigh, NC
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