[Shotimes] Rod Bearing Change @190K miles

[Paul L Fisher]

Time to break out the popcorn!!!!


Paul L Fisher

Visit my website: http://www.paul-fisher.com
SHOClub Member: http://www.shoclub.com
Amsoil dealer: http://www.paul-fisher.com/oil


-----Original Message-----
From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
On Behalf Of Ron Porter
Sent: Tuesday, January 31, 2006 4:01 PM
To: 'Donald Mallinson'; shotimes@autox.team.net
Subject: RE: [Shotimes] Rod Bearing Change @190K miles

Don, you are wrong.....

It is NOT impossible to lug an ATX, and (unfortunately) I have talked to,
and ridden with, SHO owners who do just that.

As hard as it is to believe, there are SHO owners who don't use enough
throttle pressure to unlock the TC, or to downshift.

FWIW, if "I Were King", I would rescind there SHO ownership but in our
democratic society, there are folks who own SHOs and are clueless.

Ron Porter

-----Original Message-----
From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
On Behalf Of Donald Mallinson
Sent: Tuesday, January 31, 2006 4:49 PM
To: shotimes@autox.team.net
Subject: Re: [Shotimes] Rod Bearing Change @190K miles

Unless they modify the transmission is it impossible to lug an automatic 
like you can a manual trans.  Anything approaching a true lug down of 
the engine will result in a downshift, and in fact the tranny will go to 
a lower gear well before any lugging can happen. 

Any true low rpm action with an automatic is at idle or near that, not 
the rather large throttle positions that an MTX in high gear at 10-15 
mph can cause and the severe lugging and damage that can result.

Don Mallinson

Ron Porter wrote:

>As hard as it is to believe, there are SHO drivers with featherfeet who can
>lug an ATX.
>
>Ron Porter
>
>-----Original Message-----
>From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
>On Behalf Of bjshov8@comcast.net
>Sent: Tuesday, January 31, 2006 11:04 AM
>To: shotimes@autox.team.net
>Subject: Re: [Shotimes] Rod Bearing Change @190K miles
>
>There has been speculation that the ATX does not allow the engine to "lug",
>and therefore reduces wear on the bearings.  With an MTX you can run the
>engine under load at real low rpm's which is what is theoretically bad for
>the bearings.
>
>
>  
>
>> Just changed the connecting rod bearings at 190K miles on my wife's 1993
>>    
>>
>ATX.
>  
>
>>I think it was a waste of time! The bearings had very little wear. I just
>>could not believe how clean the engine is! Only had a small oval patch of
>>copper showing, maybe 1.5 or 2 inches long. Not even all the way across
>>    
>>
>the
>  
>
>>bearing shell. We have had this car since 78K miles and have only used
>>    
>>
>Mobil 1
>  
>
>>synthetic oil, changed at 5K intervals. The new rod bearings checked with
>>plastiguage were right in the middle of the factory clearance range.
>> Maybe the ATX SHO's can go without changing the rod bearings? Even up to
>>    
>>
>and
>  
>
>>over 200K miles?
>>    
>>
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