Re: RE: belly pan gasket

From: Chris Spotts (ccs138@psu.edu)
Date: Sat Mar 03 2001 - 17:27:55 EST


Is it possible to weld in a piece of metal so that the stock intake has a
solid bottom and therefore doesn't need the belly pan gasket? I'm talking
about the V-6 of course since no MPI exists for it.

-Chris

> -----Original Message-----
> From: owner-dakota-truck@buffnet.net
> [mailto:owner-dakota-truck@buffnet.net]On Behalf Of Shane Moseley
> Sent: Saturday, March 03, 2001 11:19 AM
> To: dakota-truck@buffnet.net
> Subject: Re: DML: RE: belly pan gasket
>
>
> "Bernd D. Ratsch" wrote:
>
> > That's true...under light throttle cruising, it pings pretty bad (IAC
> > controls idle). Had that happen to me twice (blown gasket).
>
> Me too. I'm betting that the pinging is due to the quality of the air
that
> is
> entering the combustion chamber. The magnum engines are designed to be
> right on
> the edge of too much compression for pump gas and therefore are extremely
> sensitive to intake air quality. When the gasket goes - the intake air is
> being
> diluted by the oil vapors - that leads to pinging. Thats also why the
> pinging
> gets worse when under load.
>
> This theory is based on my having a leaking stock intake and very bad
> pinging.
> Replaced MAP sensor (oil vapors kills them?) - pinging wasn't quite so
bad.
> Replaced stock manifold w/MPI and it got lots better but didn't go away
> completely. This was very confusing as the MPI has a solid bottom. One
> day I
> decided to pull the PCV off, plug the line going to the TB and put a vent
on
> the
> valve cover where it was - Bingo! Turns out that my leaving out the
baffles
> on
> my MP valve covers was pulling enough oil vapors through the PCV valve
> connection to the TB to cause pinging still. Once the baffles were in,
the
> pinging went away completely. Then the MP computer went back on - a few
> tweaks
> later and I'm pulling right up to 6k. Does anyone know how hard it was to
> keep
> looking at that MP computer sitting in my garage for over a year (because
I
> couldn't use it due to the pinging)???
>
> Latr,
>
> Shane
>
> ps - Don't leave the pcv off - you will be surprised how quick all kinds
of
> crap
> (sludge, rust, black flacky stuff, etc...) gets glued to the top of your
> motor
> (on the inside!)....
>
> --
> '96
IndyRam-HisIndy-MPI/TB/Pulleys/AccelCoil/MPComp/HookerSuperComps/CompTAs
> '96 IndyRam-HerIndy-numbered(#142)"Track Truck"
> '74 Triple-Black Dodge Challenger Rallye 360 home-brew EFI R&D vehicle
> '68 Black Corvette Convertible 427 (For Sale)
>
>
>



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