I checked the specs out on those. If you have a 1997 up Magnum engine, you
essentially have that coil.
But for the 1996 and back Magnums, the 140021 is about a 20% improvement in
output.
97 to 99 coils may have used up some of their life, and you could see an
improvement.
But for a well tuned 96 and back engine, I would guess you will see a
performance improvement. Biff Byrum
----- Original Message -----
From: "Matt Beazer" <teseract@moparhowto.com>
To: <dakota-truck-moderator@bent.twistedbits.net>
Sent: Wednesday, June 10, 2009 8:45 PM
Subject: DML: Accel stock coil replacement - Any good?
> Anyone tried one of these?
>
> http://www.summitracing.com/parts/ACC-140021/
>
> I'm wondering if anyone saw any improvment at all if the stock coil
> was already in good shape.
>
> Thanks,
>
> MattB
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