Stop and think about it for a minute, how many people really make sure their
gap is always correct? And how many of those people complain about crappy
performance?
If you have MPI and the coil down under the alternator, it shoud run just
about the same. As Rascal said, cap and wires. Max resistance should be
below 11,000 ohms. New wires I've tested run about 4600 to 4900 ohms. I
don't think plug brand has anything to do with it.
If you have the beer barrel intake, check the bolts, they just don't hold.
Then other vacuum connections. But it kinda sounds like a sensor problem.
O2S, TPS, MAP, and clean the IAC. What happened to me last year was about
what you're saying. Ended up being a 4 month old OS shorting out. Biff
----- Original Message -----
From: "Dan Kramarsky" <dkramarsky68@yahoo.com>
To: <dakota-truck@dakota-truck.net>
Sent: Monday, November 07, 2005 5:07 PM
Subject: DML: Re: Re: Spark plug gap
>
> So, is it possible my 1992 engine doesnt like the 0.040 gap?
> Would it cause mis-fires? run crappy? or just lose HP?
>
> -dan
>
>
> ---- Biff wrote ----
> I've had two Gen I's and they did not like anything over 0.038. But that's
the old oil coils for you. Right now I run NGKs at about 0.038 in my '95
Sport. 1996 and older magnums call for 0.035, 1997 and up magnums call for
0.040. I put a set of NGK's in my buddies 98 Laramie back in March. Gapped
tham right at 0.040. Not a gripe yet, and this guy isn't very hep on cars,
he's a tile setter. I have run AP3923 or 4's at 0.040 in mine. No difference
in performance or mileage except maybe a little better speed going up a 7%
or a long 3 or so % grade. Biff
>
> Dan K.
> '92 Grey Dak CC, 318, 4x2, 46RH, 3.55 rear, 235/75R15, PS, PW, PB, PL, AC.
>
> Mods: Cool air, K&N oil/air, 180* T-Stat, Autolite 3924s, re-located
IAT, Trans-Go shift kit.
>
> Future: Swap motor for a slightly modified Magnum 5.9L engine.
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