[Shotimes] rod bearings

[ianf@eden.rutgers.edu]

You mean to say that there are gears past 3rd?

<g>

Ian

> My car doesn't even see 5th gear until 55 mph
> 
> Ron Porter (of the "over 2K while cruising" school)
> 
> -----Original Message-----
> From: shotimes-admin@autox.team.net [mailto:shotimes-
admin@autox.team.net]
> On Behalf Of Jim and Debbie Leyden
> Sent: Wednesday, August 13, 2003 6:13 PM
> To: John Weidenbenner; 'David Schultz'; shotimes@autox.team.net
> Subject: RE: [Shotimes] rod bearings
> 
> 
> I concur, lugging a car engine doesn't do anything to damage the 
bearings.
> One of the points that I have disagreed on that is popular on the 
list is
> that you shouldn't run it under 2000 RPM.  Heck, 2000 RPM in 5th is 
barely
> 55 MPH.  I can't believe that they would design a car that 
was "lugging" at
> what the maximum posted speed limit was in those days.
> 
> Jim
> '93 MTX
> replaced rings and bearings at 200K
> 
> 
> 
> -----Original Message-----
> From: shotimes-admin@autox.team.net
> [mailto:shotimes-admin@autox.team.net]On Behalf Of John Weidenbenner
> Sent: Wednesday, August 13, 2003 10:34 AM
> To: 'David Schultz'; shotimes@autox.team.net
> Subject: Re: [Shotimes] rod bearings
> 
> 
> The 3.2 oil pump capacity is 25% greater than the 3.0 pump. This has 
to be a
> major reason why the 3.0 is so hard on rod bearings. Not everyone 
believes
> that lugging the engine kills the rod bearings. Lugging the engine on 
a worn
> engine will sometimes make the oil pressure light flicker at near 
stall
> speed, but that's just showing you the condition of the lubrication 
system.
> I believe its just an old wives tail. Anyone have any real proof?
> 
> Sometimes just rod bearing replacement will increase the oil pressure
> enough. To do it right replace the rod & main bearings and the oil 
pump.
> 
> John W.
> 
> 
> 
> Subject: RE: [Shotimes] rod bearings
> 
> 
> > Yeah, the rod bearings on my '95 were trashed at 86K miles. See Rod
> Bearing
> > Job:
> >
> >  http://www.picturetrail.com/gallery/view?username=rsporter
> >
> > But, this was an MTX.
> >
> > One of our suspicions is that MTXs can have more wear if the engine 
was
> > lugged around, with poor maintenance playing a lesser role.
> >
> > Now, you are doing a 3.2, which I assume has spent it's life in 
front of a
> > ATX. What did the rest of the engine look like? Was the oil ever 
changed
> in
> > 90K+ miles??
> >
> > Ron Porter
> >
> > -----Original Message-----
> > From: shotimes-admin@autox.team.net [mailto:shotimes-
admin@autox.team.net]
> > On Behalf Of David Schultz
> > Sent: Tuesday, August 12, 2003 1:18 PM
> > To: shotimes@autox.team.net
> > Subject: RE: [Shotimes] rod bearings
> >
> >
> > This is true.  I am in the process of rebuilding a 3.2l, and have 
replaced
> > the main and rod bearings.  Where as the rods had considerable, but 
even
> > wear, the main bearings had considerably less visible signs of wear 
and
> > probably didn't need replacing.  The rod berings however, did not 
have
> much
> > life left in them.  This on an engine '94 engine with 90,xxx miles 
on it.
> >
> > Dave
> >
> > >I see it as the other way around. Rod bearings, by design, take 
more
> > >punishment and are more susceptible to failure. Mains have a 
rather easy
> > >life (relatively speaking). I see the loss of oil pressure due to 
wear on
> > >rod bearings.
> > >
> > >Ron Porter
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