[Shotimes] rod bearings

[Kerry Kinion]

Just my 2 cents - but if you're car sounded like mine you'd be worried
about just sticking standard sized bearings on.  If you don't hear the
noise then (people who know can be more helpful) standard size is what I
would go with.  I don't trust that standard size will fix my problem -
but I'll let you all know what I end up doing.  I wish I was doing this
as preventative - but instead I'm hearing from the people who know -
"you shouldn't drive the thing until you fix this", so here I go!
Actually and once again, I'm having some fun learning about this kind of
stuff and luckily this problem isn't anywhere near as expensive as doing
the 60k+ I just got thru!!

Kerry ('93 MTX, 111k, fresh 60k+)

-----Original Message-----
From: Bruce Malachuk [mailto:bmalach1@nycap.rr.com] 
Sent: Monday, April 28, 2003 8:56 PM
To: Paul Chapin; shotimes@autox.team.net
Subject: Re: [Shotimes] rod bearings

Just outta curiosity, in replacing the rod bearings if one does it as a
"preventative action" do you need to worry about different sized bearing
sets?

I'm a little confused now, whereas before this topic came up I wasn't.
I've
been thinking about doing these on my car just cause I like to get on it
a
little to much. Plus the previous owner was one to "lug" the car in 5th
gear
at really low RPMs.

Bruce

----- Original Message -----
From: "Paul Chapin" <pchapin@houston.rr.com>
To: <shotimes@autox.team.net>
Sent: Tuesday, April 29, 2003 1:36 AM
Subject: Re: [Shotimes] rod bearings


> Many people have had success with just replacing the bearings on the
SHO
if
> caught before they spin and do damage to the crank. I have not seen
anyone
> post that they have had any problems with replacing the bearings
before
they
> spin. When at the point of knocking it is a gamble as to how long
replacing
> the bearings will last. If the crank is damaged then you have to pull
the
> engine to remove the crank. You are now at the point of needing to do
a
> complete overhaul to make it worth the effort. This if done correctly
gets
> in the $6,000 range really quickly. Not many SHO's are worth $6,000 so
that
> is why most just replace the bearings if they catch it before damage
occurs,
> about a $100 job. A lot who don't catch the problem in time are buying
used
> motors because of the high cost of a complete rebuild.
>
>
> ----- Original Message -----
> From: "-Newmy-" <thenewmster@shaw.ca>
> To: "Kerry Kinion" <kerry@kinionfurniture.com>;
<shotimes@autox.team.net>
> Sent: Monday, April 28, 2003 6:14 PM
> Subject: Re: [Shotimes] rod bearings
>
>
> > Automatically you should be pulling the crank, machining it, and
> installing
> > the matching bearings.
> > ie-> .010 under on the crank,= .010 over on the bearings. Otherwise
your
> > just looking at alot of wasted  time for nothing. Cranks, rods and
> bearings
> > all have a very, very close tolerence. I've had it happen before
where
> > installing fresh bearings onto a crank or rod journal that wasnt
even
> making
> > noise, ends up knocking due to the 3 or 4 thousandths of an inch
from
not
> > machining accordingly. And with the time it would take you to put in
new
> > bearings anyways, the little extra time is far, far worth it..
> > Newmy
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