[AT] Old test for a bad valve?

[Bo Hinch]

Normally, for blowback to get into the crankcase,you have to have some
really bad rings .

Bo Hinch

----- Original Message ----- 
From: "Cecil E Monson" <cmonson at hvc.rr.com>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Wednesday, September 01, 2004 12:18 PM
Subject: Re: [AT] Old test for a bad valve?


> > I sorta remember that there is a simple test for a bad engine valve-
>
> -something like holding a piece of paper against the end of a tail pipe
>
> (exhaust stack for a tractor).  Anyone remember the details?     John
>
> I've heard of it in regards to blowback out of the crankcase.
> In that case, the blowback from a bad valve would puff out of the
> oil filler tube. Don't know about the exhaust pipe test.
>
> Cecil
>
> -- 
> The nicest thing about telling the truth is you never have to wonder
> what you said.
>
> Cecil E Monson
> Lucille Hand-Monson
> Mountainville, New York   Just a little east of the North Pole
>
> Allis Chalmers tractors and equipment
>
> Free advice
>
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