| [GMCnet] question on oil consumption on the Clasco [message #239388] |
Mon, 10 February 2014 09:32  |
glwgmc
Messages: 1014
Registered: June 2004
Karma: 10
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Senior Member |
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Hi Jim,
Yup, the combination of the virtual keyboard on this iPad and the auto spell corrector got me on that on! For all of us who travel great distances in these 40 year old things there probably is some subliminal celebration of the dip stick as well.........grin.
JimB's guys did change the oil and said they calibrated the dip stick before we brought it back to Or from FL. The dip stick tube sticks further towards the front of the coach on the Clasco than it does on our Royale so I will recheck that when we get back. I don't recall if the valve covers are stock or after market on that one so will check that as well. That engine only has about 65,000 to 70,000 miles since the coach was new so would not expect things like valve guides, etc. it had 11,000 miles on the speedometer in the new (1994) Mac. dash when we picked it up and the registry showed about 50,000 miles on the coach when the previous owner acquired it and took it to Clasco for the restoration. It runs really well, has good power and fuel consumption is spot on for a 455 in a 26 foot coach (8.5 to 9.5).
Jerry
Jerry Work
The Dovetail Joint
Fine furniture designed & hand crafted
in the 1907 former Masonic Temple building
in historic Kerby, OR
http://jerrywork.com
,,,,,,
Jerry,
Try running it a quart lower and see if the consumption goes down.
You know about the one quart hanging up in the front par of the pan.
I'm not much of a speller, but caught the celebrating.
I know you well enough to know I could never catch you on something like
that, but I hope we can have a good laugh.
,,,,,,,,
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Jerry & Sharon Work
78 Royale
Kerby, OR
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| Re: [GMCnet] question on oil consumption on the Clasco [message #239433 is a reply to message #239388] |
Mon, 10 February 2014 16:08  |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Jerry,
Here's what the inside of the valve covers should look like:
http://www.gmcmhphotos.com/photos/member-galleries/p28551-gmc-valve-covers.html
If you need a set I've got a spare set.
If you wind up pulling the valve covers to inspect them when you go to reinstall them there are cork, combination cork and rubber,
and rubber gaskets available. I used the rubber ones and have had no leakage problems.
I glued the gaskets to the valve covers using contact cement and then tied them to the valve covers through each bolt hole using
thread.
Regards,
Rob M.
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
-----Original Message-----
From: Gerald Work
Hi Jim,
Yup, the combination of the virtual keyboard on this iPad and the auto spell corrector got me on that on! For all of us who travel
great distances in these 40 year old things there probably is some subliminal celebration of the dip stick as well.........grin.
JimB's guys did change the oil and said they calibrated the dip stick before we brought it back to Or from FL. The dip stick tube
sticks further towards the front of the coach on the Clasco than it does on our Royale so I will recheck that when we get back. I
don't recall if the valve covers are stock or after market on that one so will check that as well. That engine only has about
65,000 to 70,000 miles since the coach was new so would not expect things like valve guides, etc. it had 11,000 miles on the
speedometer in the new (1994) Mac. dash when we picked it up and the registry showed about 50,000 miles on the coach when the
previous owner acquired it and took it to Clasco for the restoration. It runs really well, has good power and fuel consumption is
spot on for a 455 in a 26 foot coach (8.5 to 9.5).
Jerry
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] question on oil consumption on the Clasco [message #239434 is a reply to message #239433] |
Mon, 10 February 2014 16:16 |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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Senior Member |
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Jerry, When you replace the gaskets, a very good rubber one is based on the 350 Chevy Diesel. It is available in 2 thicknesses, I
used the thicker of the two.
Part number is in the GMC motorhome international parts list.
Tom, MS II
2012 Phoenix Cruiser model 2552
KA4CSG
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