The plugs were chosen according to the Denso Rep at SEMA...and by their
compatibility chart. The 392x cross over to the IQ16's. The IK20's are
the equivalent to the 5224 (and APP5224's). I wanted the standard tip
due to the supercharger and nitrous.
Will be filling up again and will average the two for the final results
on the MPG test.
- Bernd
-----Original Message-----
From: owner-dakota-truck@BUFFNET.NET
[mailto:owner-dakota-truck@BUFFNET.NET] On Behalf Of Hemikota
Sent: Monday, November 12, 2001 5:09 PM
To: dakota-truck@BUFFNET.NET
Subject: DML: Re: Denso-Iridium Plugs
Bernd, you probably should have went with the IK20's. Denso says that
for every additional 75-100 HP, go a heat range cooler. Anyways, keep us
informed. I'm running NGK iridiums equiv. to the IK20. They run good,
but my engine is stock, other than a Z-tube, jet S-II and a muff. I get
better gas milage though. I just got 21.68 MPG coming back from SW VA.
I was running a steady 70 MPH on I-81. 179.xx miles on 8.30 gallons..gas
was .95 cents/gal !!!
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