Re: Pulstar Spark Plugs

From: ffastje (ffastje@cox.net)
Date: Tue Mar 31 2009 - 21:01:03 EDT


Bernd D. Ratsch wrote:
> Ok...while some aftermarket plugs work really well...PLEASE - stay away from
> these plugs. Especially on the 4.7L and 5.7L engines.
>
> We just had two different vehicles (Ram 5.7L and Durango 4.7L) that came
> through the dealership - both with nasty mis-fires. After checking all basic
> systems (vacuum, compression, and wiring), I removed those crap plugs and
> put a set of standard plugs (Ok...OEM Champions - I'd prefer NGK's) - no
> more mis-fires.
>
> The Pulstar plugs use a capacitor inside the body to "store energy"...this
> is a BAD idea with wasted spark or on the 4.7L ignition systems. The Hemi's
> use a Wasted Spark system and the 4.7L's use a resistance aware style system
> (basically works like the old Jacobs system - they adjust spark based upon
> air gap resistance and load but it's also monitored).
>
> Save your money...at $7.00 per plug, it's not worth it. If you must, run a
> set of E3 plugs and call it a day. Yes, those do work well and both in my
> GF's '01 Durango 4.7L and in my '89 Nissan 240, the mileage went up about
> 1.5-2mpg just with the plug change (and the old plugs were not even worn
> out).
>
> - Bernd
>
>
>
Thanks for the heads up. seen these on www.jcwhitney.com for 24.99 ea.
I'm getting ready for a tune up. You like the

NGK's. are these good for the 3.9?

-- 
ffastje@cox.net
ffastje@gmail.com
1999 dakota cc 3.9L 4X4 
57,332 miles



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