<VV> Engine with no compression
Guenther Brandes
vair140 at aol.com
Tue Jun 28 16:40:24 EDT 2011
An engine with no compression does not sound like a fuel problem as if spins over fast and sparks, it sound more like something in the valve train is stuck open. Feel at the exhaust pipe for anything coming out.
Regards,
Guy randes
65 VAIR 140
Take a known good fuel pump along with you as well. You might also try
eeding the pump (initially) out of a gallon of fresh gas - instead of out
f the tank. Park a gallon of gas SECURLY in the LR corner of the engine
ompartment. Make up a feed line to the pump with the appropriate fitting
or the pump end and a foot or two of rubber fuel hose. Also, "prime" the
ump to fill the carb bowls before turning the key.
You've already inspected for mouse houses and/or damage, right?
Later, JR
---- Original Message -----
rom: "jryall" <jryall at juno.com>
o: <virtualvairs at corvair.org>
ent: Tuesday, June 28, 2011 1:40 PM
ubject: Re: <VV> Engine with no compression
When I go down this weekend, I'll take off the valve covers to check for
stuck valves. Will also have a compression gauge with me. I'll drain
the tank and add fresh gas with carb cleaner and upper end lubricant.
John
On Tue, 28 Jun 2011 14:27:18 -0400 "corvairduval at cox.net"
<corvairduval at cox.net> writes:
> When you tried starting the engine after its 4 year sleep, did you
> just
> crank it with the four year old gasoline in the system?
>
> If so, I would drain the gasoline from everything. Refill with
> newer
> gasoline. Take off the valve covers and see which intake valves are
> stuck.
> Apply liberal amounts of carb cleaner and lubricant (carb cleaner to
> remove
> the sticky from the stems, lubrication to allow the stems to move
> again).
> You may have to use a hammer and other tools to move the stems to
> start.
>
> This happened once to me when I tried to burn old gasoline from a
> sleeping
> cutomer car in the shop Corvan to get rid of it. Mix ratio was too
> high,
> probably 4 parts old to one part existing in the tank (shop van
> never had
> too much gas...). Stuck all three intakes on one side. A little work
> and we
> were driving it again.
>
> Frank DuVal
>
> Original Message:
> -----------------
> From: jryall jryall at juno.com
> Date: Tue, 28 Jun 2011 13:48:52 -0400
> To: VirtualVairs at corvair.org
> Subject: <VV> Engine with no compression
>
>
> I have a '67 110hp automatic which I had running very well 4 years
> ago.
> Employment changes took me away, so the car was stored under a tarp.
> The
> other week I unwrapped it and tired to start it. It has spark, and
> I
> have been dribbling gas into the carbs with no fire from the engine.
> It
> turns over very rapidly as if it has no compression. I have
> already
> tried squirting oil into several of the cylinders in an attempt to
> get
> enough compression so that it might at least start on those
> cylinders.
>
> Is the next step filling the crankcase with Marvel Mystery Oil or
> something like that?
>
> This car is 150 miles away, and I'll be able to work on it a bit
> this
> weekend.
>
> John Ryall
>
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