YES !! Glad to here it.
--- Dave Stragand <Dave.Stragand@xxxxxxxxxxx> wrote:
> Hi All,
>
> Okay, so you know I was going to attempt to "wash"
> the cylinders. That
> went just fine. I could see immediately the effect,
> as what often began
> as Motor Flush pouring straight through the
> cylinders would eventually
> slow down to a trickle as the rings got cleaned and
> began to seal
> better. Compression on my gauge went up from 90-110
> PSI to between 135
> and 150 PSI on all cylinders -- that's a straight 40
> PSI boost!
>
> I had the valve covers off to spot the bottom of the
> compression stroke,
> which would be just after the intake valve closed.
> Something struck me
> as a bit odd there, in that the rockers would all
> "settle" back flat
> after I stopped cranking. Hmmm... back to that
> later.
>
> Anyway, I replaced the valve covers and flushed the
> cleaner through
> there and the distributor valley as well. So much
> gunk came out, that
> it was constantly clogging the fuel filters on my
> solvent pump. I
> washed it as long as I could, and when I finally
> poured out the solvent
> from the bucket, there was close to a half-gallon of
> sludge down at the
> bottom. WOW.
>
> I added about a tablespoon of STP with an oil can
> and clear plastic hose
> all around the bore of the cylinders, and spun the
> engine over a few
> times to ensure that they had lubrication for
> startup.
>
> I installed the spark plugs, connected the wires,
> added a gallon of oil
> + two cans of STP and cranked her over. The oil
> light was bothering me
> a bit, as heavy cranking still wasn't building up
> the pressure enough to
> turn the light out. I figured it would build up
> after the STP-thickened
> oil had time to circulate a bit.
>
> I added a bit of starting fluid and cranked. This
> time, I could hear
> each cylinder firing, but there still wasn't quite
> enough "oomph" to
> keep the engine going. It was finally turning well
> enough to spin-out
> the starter, but just couldn't keep going. I kept
> this up for about
> three hours... figuring eventually it would catch
> enough to run, but no
> luck.
>
> The oil pressure light still wasn't going out, so I
> pulled the sender
> and cleaned it too. When cranking, -no- oil came
> out through the
> sender's hole. Ah ha. Problem.
>
> I drained the fresh oil back out into a clean
> container, and was
> surprised to see it was barely even dirty. I then
> hooked up my solvent
> pump again, this time to the oil pressure sender
> hole. I removed the
> oil filter, and tons of goop started pouring out.
> Turning over the
> filter, I noticed it too was full of goop.
> (Backflushing like this
> should also loosen and flush out all of the crud on
> the pickup screen
> and oil pump -- an added bonus).
>
> Quickly I put two + two together. The rockers...
> the rockers were
> "settling". They weren't getting enough oil. If
> they don't get the
> oil, they don't pump up. If they don't pump up,
> they don't have enough
> lift. If they don't have enough lift, they can pull
> a good vacuum (but
> not enough volume!), and also choke the mixture with
> unexhausted burned
> fuel, which would tend to blow by the partially
> opened exhaust valve
> into the crankcase.
>
> Okay, so now things were making sense. If the oil
> pressure comes up,
> things should be good.
>
> I replaced the oil filter with a new one, and
> cranked the engine until
> the pressure came up (about three cranks). The
> pressure would stay up
> for about 30 seconds -- also a good sign. I
> repeated this cycle for
> about 5 minutes to make sure oil was getting flushed
> into the entire
> system, and then added a shot of starter fluid.
>
> The car fired, ran briefly, backfired through the
> carb, then quit.
> That's the first time that car's made noise since
> Nixon was President.
>
> By now, I started getting excited. I pumped the gas
> a bit, and cranked
> it again. It caught, but stumbled, so I kept
> gooseing the throttle and
> it stayed running. Smoke started pouring off the
> oily exhaust
> manifolds, and finally the engine smoothed out, so I
> let off the gas.
>
> PERFECT idle. No vibrations, no misfires, nothing
> -- she absolutely
> purred. And she stayed purring. I adjusted the
> timing a bit, and found
> a small but very distinct "sweet spot", and locked
> it down. It sounds
> like a brand new car.
>
> The car now starts and runs like it was hot, even in
> a 30 degree garage.
> I ran it through the gears, and the transmission
> seems decent for now at
> least. In short, it looks like I'm now ready to go
> for a little test
> cruise as soon as I put the gas tank back on.
>
> A BIG THANKS to everyone who helped to solve the
> problem! I'll keep
> y'all posted on the results of the test cruise if I
> do it today.
>
> -Dave
=====
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