GMCforum
For enthusiast of the Classic GMC Motorhome built from 1973 to 1978. A web-based mirror of the GMCnet mailing list.

Home » Public Forums » GMCnet » [GMCnet] Reviving the Cad 500  () 1 Vote
Re: [GMCnet] Reviving the Cad 500 [message #163462 is a reply to message #163458] Sun, 18 March 2012 22:27 Go to previous messageGo to previous message
James Hupy is currently offline  James Hupy   United States
Messages: 6806
Registered: May 2010
Karma:
Senior Member
Ken, W.T. Heck is wrong with this picture? .062" endplay in 180 miles.
Doesn't seem possible, but...Dial indicators seldom lie. With all that
metal in the engine, I would not run it until I removed the engine and
completely disassembled it, including the cam gallery plugs as well as all
the oil passages in the rest of the engine. I know that you are thorough
and careful, but did you clean the drilled passages in the crankshaft
before you reassembled the engine? I use rifle bore brushes followed by
bore patches when I clean a crankshaft and I am always amazed by the amount
of junk that I find there. What a miserable thing to have happen. I have a
1968 Cadillac 472 from an Eldorado that is presently on an engine stand in
my shop. I was planning on replacing my 403 with the Cad when it expires,
but I think I will roll it over and double check the condition of the
thrust faces on the mains. I might rethink using the Cad if we can't
pinpoint a cause for that problem. I have had many Cadillacs throughout the
years, starting with a 331 out of a 49 sedanette that broke cylinder heads,
a 390 in a 61 Coupe de Ville that was a 345 hp. Man was that a great
engine. I also had a 394 in a 77 Sedan de Ville that went over 200,000
miles. That 394 was very similar in design to the 472-500 engines, with the
external oil pump in the front cover. I think Jim K had some difficulty in
engine oiling with his monster too. Did you look carefully at the cam
bearings to see if the oil holes lined up with the passages? Not being
critical here, just trying to help solve the problem.
Jim Hupy
Salem, OR
78 GMC Royale 403

On Sun, Mar 18, 2012 at 8:04 PM, Rob Mueller <robmueller@iinet.net.au>wrote:

> Ken,
>
> AW S#!T!
>
> Regards,
> Rob M.
>
> -----Original Message-----
> From: Ken Henderson
>
> Today was not a good day. I don't even want to think about it, much
> less write about it. But in the interest of completeness, I'll try
> to write it up rationally -- then retire to pout.
>
> Oh yeah -- We will NOT be at Shawnee. :-(
>
> Ken H.
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist

 
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: What's In A Name?
Next Topic: [GMCnet] Steel 16 Inch Wheels
Goto Forum:
  


Current Time: Fri Sep 27 13:53:10 CDT 2024

Total time taken to generate the page: 0.02333 seconds