RE: compression test on 318

["Daniel J. Stern" <225@xxxxxxxxxx>]

Well, yeah, that'll throw off the results. Throttle's gotta be all the way 
open. Choke, too. Usually easiest to unhook the choke and the throttle 
return spring. If the engine's been sitting outside, especially if you are 
in any kind of a humid environment, then stuck valves and/or rings are 
definitely a possibility. You may want to pop one valve cover and take a 
look...valves stuck open are indicated by compressed springs with unloaded 
rocker arms (and sometimes dropped pushrods). Valves stuck closed are 
indicated by bent pushrods (d'oh!). In either case (stuck valves, stuck 
rings), a gallon of Kroil will often go a long way towards reviving such 
an engine.

On Sat, 4 Nov 2006, Paul Lennemann wrote:

> 
> Nope
> Dennis C. wrote:
> > 
> > Just a thought, did you run the test with the throttle fully open?  
> > 
> > Dennis C.
> > 
> > Paul Lennemann wrote:
> > > 
> > > I ran a compresssion test on the 318 that I salvaged out my parts car.  
> > > As I said a few days ago I was told it was running when parked 2+ years 
> > > ago.  I shot a little oil into each of the cylinders and ran my test.  
> > > The results were sad.  #1=50, #3=30, #5=30, #7=30, #2=35, #4=5, #6=20, 
> > > #8=0.  When I pulled the plugs none were heavily coated with carbon or 
> > > exceptionally black and sooty.  They looked to me to be pretty typical 
> > > for an engine of that vintage w/70K+ miles on it.  This is a solid 
> > > lifter engine, right?  Which would eliminate lifters that had bled down. 
> > > 
> > > 
> > >  Could it be some stuck valves, or am I in denial?
> > > 
> > > Paul L.
> > > 
> > > Plyguy
> > > '63 Sport Fury
> > > 440/727
> > > http://www.1962to1965mopar.ornocar.org/ml-lennemann63.html
> 
> 
> 
> Plyguy
> '63 Sport Fury
> 440/727
> http://www.1962to1965mopar.ornocar.org/ml-lennemann63.html
> 
> 
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> 
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> 


----
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