From: James Shanks (n1vbn@arrl.net)
Date: Fri Jun 04 2004 - 15:17:27 PDT
In order to add piston cooling you need to change the block...about 800
pounds bare.
Jim
At 02:29 PM 6/1/2004, uniquemachine@cybcon.com wrote:
>I wonder if piston cooling is something that can be added on? Are
>there any diesel mechanics out there that are familiar with the
>Cummins motors?
>
>Jon
>
>
> > Hi, Dave.
> > The piston cooling might or might not be a problem, depending on how
> > one drives, I'd guess. There is guy out here that has ugraded
> > several NHC250 engines and not one has gone bad. Maybe if you are
> > pulling heavy loads up huge, long hills it would be more of a
> > concern. A pyrometer might be a good idea, too. Jim
> >
> > On Tue, Jun 01, 2004 at 6:35am Dave Barbieri
> > <Dave.Barbieri@marshall.tstc.edu> wrote: > Adding a turbo will
> > generate a LOT of fun for a short period of time. > <grin> The
> > concerns about piston cooling are valid. The normally > aspirated NHC
> > 250 does NOT come with piston cooling jets; adding a turbo > WILL
> > generate more combustion heat and pressure than the pistons can > deal
> > with. This engine can be fitted with a supercharger, boosting > power
> > to 265hp. The supercharged version was a popular powerplant in >
> > Crown busses in the late 60's/early 70's. > > This Thursday, we're
> > heading to San Antonio to pick up a 5T wrecker. > Everybody in the
> > program is pretty excited - we have some definite use > for this
> > puppy!! Here's a coupla pics: > >
> > http://esbd.tbpc.state.tx.us/surplus/federal/pictures/SD43854003002.jp
> > g > >
> > http://esbd.tbpc.state.tx.us/surplus/federal/pictures/SD43854003002-1.
> > jpg > >
> > http://esbd.tbpc.state.tx.us/surplus/federal/pictures/SD43854003002-2.
> > jpg > > > > > Dave Barbieri > Diesel Equipment Technology > (903)
> > 923-3246 > (903) 935-9554 fax > dave.barbieri@marshall.tstc.edu > >
> > >>> w7ls <w7ls@blarg.net> 5/29/2004 2:26:44 PM >>> > Y'all (er, All
> > y'all. Sorry) > If anyone is interested in hotrodding their M800
> > series truck that > has the standrd NH-250 (I think that is the
> > designation for a non turbo > 855 small cam 250 Hp Cummins engine that
> > the mil uses), I have the stuff > to kick it up to 350 Hp. That
> > includes the turbo (for more wind), bigger > injection pump (more
> > fuel) and bigger injectors (bigger holes for more > fuel). > This is
> > working takeout from an engine that spun the main bearings. > Beyond
> > that, I can't guarantee it. $650 plus shipping from 98019 (kinda >
> > near Seattle). I'll put it on a small pallet or in boxes, depending. I
> > > don't know the weight, but it's under 100 pounds. Let me know. Jim
> > > > > > ===Mil-Veh is a member-supported mailing list=== > To
> > unsubscribe, send e-mail to: <mil-veh-off@mil-veh.org> > To switch to
> > the DIGEST mode, send e-mail to > <mil-veh-digest@mil-veh.org> > To
> > reach a human, contact <ack@mil-veh.org> > >
> >
> >
> >
> > ===Mil-Veh is a member-supported mailing list===
> > To unsubscribe, send e-mail to: <mil-veh-off@mil-veh.org>
> > To switch to the DIGEST mode, send e-mail to
> > <mil-veh-digest@mil-veh.org> To reach a human, contact
> > <ack@mil-veh.org>
> >
>
>
>
>===Mil-Veh is a member-supported mailing list===
>To unsubscribe, send e-mail to: <mil-veh-off@mil-veh.org>
>To switch to the DIGEST mode, send e-mail to <mil-veh-digest@mil-veh.org>
>To reach a human, contact <ack@mil-veh.org>
James Shanks
n1vbn@arrl.net
1998 IMZ 8.103
1984 H-D FLHT-C
This archive was generated by hypermail 2.1.4 : Sat May 07 2005 - 20:33:22 PDT