I got a thought, what are you gonna use for mounts? the magnums mount in
the middle of the block where as the older LA's mount up front?
Scott Miller
89 Shelby Dakota #322 - 360 C.I. V8 (12.25 @ 112.41 mph) "FASTDAK"
95 SLT CC V8 5.2 auto
----- Original Message -----
From: Shane Moseley <smoseley@ix.netcom.com>
To: Henry LaViers <hl4@worldnet.att.net>; <dakota-truck@buffnet.net>
Sent: Sunday, April 01, 2001 6:44 PM
Subject: DML: 5.9L Magnum V8 Deck Height
> Henry LaViers wrote:
>
> > Are you going to measure how far each of your pistons is in the hole
before
> > you bolt the engine back up ?
> >
> > The spec seems to be that each piston should be about 0.041 in the hole,
which
> > gives a pretty piss-poor quench clearance of = 0.093 inches.
>
> Henry,
>
> I was hoping to have this baby all spec'ed and bolted back together by
now -
> unfortunately I threw my back out (again) last weekend while moving the
cylinder
> heads around for disassembly and cleaning. I am just now getting back to
the
> point where I can mess with it again.
>
> My initial measurements are coming in at around 0.045 to 0.050 down in the
hole.
> I've still got some cleaning to do but I don't expect the numbers to
change much
> from that - we'll see. About 6 of the cylinders were right at 0.048.
Will keep
> you posted as to the final numbers (on a cyl-by-cyl basis) when I'm
satisfied
> w/the cleaning (short block still in truck)
>
> I've got another 360 block that has new pistons (KB-107) and has all
machining
> work already done (bore+030, hone, align hone, etc). The KB-107 pistons
are
> supposed to yield a zero deck height but my measurements come in at a
final
> 0.010-0.012 in the hole. That block is a '76 LA motor that is/was going
in my
> Challenger. I'm considering using it instead of my original magnum V8 for
the
> reassembly.
>
> I cc'd the DML on this post to try and get some opinions over there about
a)
> others experiences w/deck height measurements found in their Magnum V8s as
well as
> b) the challenges associated w/using an LA short block vs. the Magnum V8.
>
> I understand that using the Magnum front timing cover (and all things in
front of
> it), the Magnum heads & intake, along w/lifters and pushrods that allow
for oiling
> the valvetrain thru the pushrods, and a "ground down" fuel pump eccentric
(like a
> thick washer) is all that is required. I have an old Mopar Muscle
magazine that
> details the swap where they used a 340 short block.
>
> This would allow for much more cam choices as well as aftermarket pistons
(cheaper
> too!).
>
> Ideas? Thoughts? Concerns?
>
> Latr,
>
> Shane
>
> --
> '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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