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Re: Not Again!!!!! MGB disaster

Subject: Re: Not Again!!!!! MGB disaster
From: (Larry A Hoy)
Date: Sun, 12 Oct 1997 22:52:27 -0600
Oh man, sorry to hear about your engine troubles Scott.

On Sun, 12 Oct 1997 22:42:51 +0000 "Scott Gardner" <>

>Now for the fun question--Is this a fluke, or is my engine eating main

Not a fluke.  Either the machine shop screwed up, the mechanic
(rebuilder) screwed up, or you got some bad parts.  My guess is no one
paid enough attention to the crank.  Did they replace or turn the crank? 
I am assuming they replaced the oil pump.  Did they clean the oil cooler
and oil lines?

>The only thing I can think of is I have a pretty bad suspension shimmy
at 70mph.  Can enough vibration be >transferred to the crank from the
driveline via the clutch to overload the main 
>bearings?  I wouldn't think so, but the last time the bearings went, 
>my wife had just pulled onto the highway about 10 miles previous, and 
>the situation was pretty much the same.

I think you answered your own question "I wouldn't think so".

>The knocking was a lot louder this time, though.       Can anybody else
think of what can cause 
>engine bearings to repeatedly fail?

I would guess the first failure and the second failure are related only
if the rebuilder did not replace the part(s) that caused, or were damaged
by, the first failure (Jeez, that sounds like something my lawyer would
write).  When they tear it apart *you* need to take a look at the
bearings and the crank.  Ask them about the oil cooler (I assume your car
is equiped with one).

As for your warranty, I would think that an engine with 1200 miles ought
to have parts and labor covered.

Larry Hoy (
Denver, CO USA
1969 MGB Roadster
1987 Jaguar XJ6 Vanden Plas

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