From: Jim Breneman (jimbre_7@yahoo.com)
Date: Tue Dec 28 2004 - 11:16:03 PST
Thanks for all the Input about the 5T guys. I Think
that just about clears it up.
TO move on, has anyone tried increase the boost put
out by the LDT-465-1D turbo? I was trying to look at
it the other day. I didnt see any kind of waste gate
or blow off valve. Is there any way to increase boost
without replacing the turbo?
--- Squirt_Truck <squirt_truck@yahoo.com> wrote:
> Jim,
> The 800 series trucks use a commercial engine that
> has
> been "sorta militarized", the 900s that I have
> worked
> with use a turbo LDS-465-2 engine.
> The LDS-465 family (as opposed to the LDT-465
> family)share only the basic block components. The
> rods, pistons, heads, injectors, entire lubrication
> system and cooling system is different. It is a
> part
> of the fact that the LDS engines produce a
> significantly greater output.
>
> The move to a naturally aspirated engine was most
> likely an effort to control cost with commercial
> components and to simplify operations. (no extend
> warm-up and no cool-down required) and still have
> the
> restricted power requirement that the military
> wanted.
>
> Any other thoughts on the non-turbo approach will be
> appreciated.
>
> Squirt-Truck
> --- Jim Breneman <jimbre_7@yahoo.com> wrote:
>
> > I am curious why the later 5 ton trucks such as
> the
> > M813, M923 use naturally aspirated engines instead
> > of
> > turbo engines? And why the older M54 uses the LDS
> > engine? My understanding is the LDS-465 (liquid
> > cooled, desiel fired, supercharged) engine is
> > basically the same as the LDT-465 except for fuel
> > pressure and boost. If anyone can help solve the
> > mystery for me I'd appriciate it.
> >
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