Re: IML: Oil usage theories

[<boboyen@xxxxxxxxxxx>]

Have you checked for vacuum leaks @ the intake gaskets?
It's mor prominent in Chevys....
Also, what about external oil leaks?
Dye works the best to be sure.
I'd check these before doing anything major...
20w50 might help, too!

On Tue, 13 Nov 2007 20:30:54 +0000
 therichardsonfamily@xxxxxxxxxxx wrote:
> Thanks Fred and Mark and Dave and Michael:
>
> I will try the downhill deceleration test, and also another compression test to see where I'm at 
> after 3000 miles from resurrection.  If I can help lessen oil consumption with valve seals, I may 
> just have the heads completely redone - then I would have that part completed for a few hundred 
> bucks.  On the other hand, I don't want to speed up the rebuild timetable either.  Is that really 
> a likely possibility?  Is it safer to just do seals in-vehicle?
>
> I would think if I had bad rings, I would see oil fouling on the plugs - not just wet threads. 
> Bad rings wouldn't get me 90 - 125 psi compression either, I assume.  Oil fill is correct - 4 
> qts. with out filter.  Intake valley pan is another thought.
>
> I really haven't let it get more than 1 quart low - I'd rather just keep it full for now.  This 
> poor girl has only recently been pulled out of the grave, and I still need to keep her hooked up 
> to life support.  Ultimately, a engine rebuild will be needed, but I want to continue to enjoy 
> her until I can afford to do a complete job.  It's all about the enjoyment, right?
>
> Thanks for the info.
>
> Dan Richardson
> 300L Family Heirloom
>
>
> -------------- Original message ----------------------
> From: "Frederick Joslin" <fljoslin@xxxxxxxx>
> > Hi Dan:You can change the valve seals without pulling the heads if you
> > really need to.However, if you do pull the heads you can rebuild the
> > heads, install teflon seals and get a good look at the cylinder walls
> > Have you tried a more viscous oil? Things in an engine can change quickly
> > so you should really do a leak down test or at least another compression
> > test to see where you stand now. Good luck.
> >
> >   ----- Original Message -----
> >   From: therichardsonfamily@xxxxxxxxxxx
>
> >   Hello everyone (& Dave):
> >
> >   I have excessive oil usage on my '67 Imperial
> >   engine. Not much of a surprise with 150K+, and
> >   sitting for a decade. 1 quart/150 miles at 70
> >   mph, & 1 quart/300 miles at 45ish avg. mph
> >   around town. I know the correct answer is to
> >   do a complete rebuild. Can't quite pop for
> >   that right now, as there are too many other
> >   priorities for my next $3000.
> >
> >   Compression check months ago was OK, no blue
> >   smoke at cold start up (even if sitting for
> >   days), no blue smoke at hard acceleration, or
> >   after idle - just no blue smoke at all. Idles
> >   and drives quite well, gets about 11 mpg.
> >   Pulled the plugs yesterday after 3000 miles,
> >   and they were nicely tanned/greyed, clean
> >   everywhere except wet oil on the threads.
> >
> >   Dave had mentioned earlier that big block
> >   Mopars have a tendency to need valve seals. If
> >   that is what's indicated by the above evidence,
> >   I could probably find the resources to pull the
> >   heads.
> >
> >   Any expert (or otherwise) theories and thoughts would be most
> >   welcomed.
> >
> >   Dan Richardson
> >   300L Family Heirloom


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