[Shotimes] LSD Conversion KIT for the SHO? Any comments?

[Mike Kopstain]

Well the problem a lot are seeing now is that those that thought they got
away with just replacing the bearings, end up with too much play, which
results in knocking down the road.

A few have contacted me saying that their journals were clean and not scored
when they replaced the bearings, and now the motor is knocking again.  One
case was roughly 10,000 miles, one 3,000.

~ Mike

Midwest SHO - For Everything SHO
www.midwestsho.com
Sales@Midwestsho.com

Advance Motorsports - For everything else
www.advancemotor.com
Support@advancemotor.com
----- Original Message -----
From: "Paul L Fisher" <sho@paul-fisher.com>
To: "'Carl Prochilo'" <gr8sho@prochilo.myserver.org>
Cc: <shotimes@autox.team.net>
Sent: Friday, February 06, 2004 11:03 AM
Subject: RE: [Shotimes] LSD Conversion KIT for the SHO? Any comments?


> I would not call a 196K mile rod bearing failure a defect. Yours is the
only
> one I have heard of that actually ruined the motor. Even people that have
> spun the rod bearings on the V6 have just replaced them and went on their
> merry way. No rebuild was required. At 160K or so, one of my rod bearings
> was broken in half (actually, one of the halfs was broken in half) and it
> didn't spin. The other bearings showed some copper but nothing I wouldn't
> expect from a car driven hard.
>
> -----Original Message-----
> From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
> On Behalf Of Carl Prochilo
> Sent: Friday, February 06, 2004 10:46 AM
> To: Mike
> Cc: shotimes@autox.team.net
> Subject: RE: [Shotimes] LSD Conversion KIT for the SHO? Any comments?
>
> Maybe I don't fully understand the V8 problem, but I bet there are Gen 3
> SHOs out there that have not had the repair done that are working fine and
> won't fail.  Not every V6 will suffer rod bearing problem but a lot do.
> Mine lasted 196K miles before dying.  Now that I know the tendency of this
> motor, it is the weak sister and where I will look first to make sure
> everything is okay.  And even if the bearings do go past 100K miles, I
know
> that they have a tendency to wear and should be replaced.  I also wish I
> knew if use of synthetic oil made any difference for the rod bearings.
> Seems some people have good luck with this.
>
> I will probably have the bearings in my 80K 3.2L motor replaced within the
> next 40K miles for PM and peace of mind.
> --
> Cheers,
> Carl Prochilo
> 1992 Ultra Red Crimson
>
> Mike said:
> >
> >
> > <<<BTW, I would say the rod bearings on the V6 are more comparable to
> > the cam lobes on the V8 as lousy failure mechanisms that fry
> > motors.>>>
> >
> > ?????I think most of us have gone well over 100K miles before
> > changing; I know I did, and when I did change them at 150K just a
> > little copper was showing on the top bearings of 3 rods.  As easy as
> > they are to change, I don't consider them a weak point in the design
> > of this engine.  Babbit bearings have always been considered sacrificial
> and a replacement item.
> > Mike
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