<VV> Is VV messing with me ?

Sun Oct 17 12:42:53 EDT 2010

I think people are just trying to help you. With all your projects. There is a key on your keyboard if you don't want the help.
Timothy Shortle in Durango Colorado

-----Original Message-----
>From: Charles Lee <Chaz at ProperProper.com>
>Sent: Oct 16, 2010 10:12 PM
>To: Mark Durham <62vair at gmail.com>, Michael Kovacs <kovacsmj at sbcglobal.net>
>Cc: VV <virtualvairs at corvair.org>
>Subject: <VV> Is VV messing with me ?
>
>Is VV messing with me ?
>
>This is the 3rd (!!!) time I got this message, first at 11:42 AM (from Mark 
>and Mike), then at 6:16 PM (from just Mark), and now again at 8:17 PM (from 
>Mark and Mike again).
>
>Looks like exactly the same message, three times now ?
>
>Weird !
>
>Charlie
>
>
>----- Original Message ----- 
>From: "Mark Durham" <62vair at gmail.com>
>To: "Michael Kovacs" <kovacsmj at sbcglobal.net>
>Cc: "Charles Lee" <Chaz at properproper.com>; "VV" <virtualvairs at corvair.org>
>Sent: Saturday, October 16, 2010 11:42 AM
>Subject: Re: <VV> Diagnose engine "knock" ? valve seat damage
>
>
>> MIke is right, should have mentioned that if you have 0 compression that
>> usually is a stuck or burned valve or piston/ring damage.
>> Since you have the head off, lock down the cylinders by putting some tight
>> fitting hose on the head studs and pull the other plugs and pull the 
>> engine
>> through so you can see the condition of the cylinder walls, one at a time.
>> Compare them. . Wear will show up more at the top where there may be a
>> difference between where the rings run and at the top where they don't.
>> Clean that with some crocus cloth to get any carbon off and see if there 
>> is
>> a ridge there. Look closely at the three piston heads. You had one with no
>> compression, two with compression. Look for deep vertical scratches in the
>> cylinder wall (broken ring) damage to the head, difference in the 
>> coloring,
>> amount of carbon?
>>
>> Also a cylinder using oil will usually coke up on the valve stems and back
>> of the valves. I would think the cylinder with low compression would have
>> more, as it probably has been using more oil longer, but if the engine is
>> old, all three (six) would be that way.
>> Got a digital camera? Take a picture and post it for us.
>> Off to build shelves in my daughters garage.
>>
>> Mark Durham
>>
>> On Sat, Oct 16, 2010 at 10:30 AM, Michael Kovacs 
>> <kovacsmj at sbcglobal.net>wrote:
>>
>>> Charlie,
>>>  You need a valve remover tool. Just keep track of which valve goes 
>>> where.
>>> Don't
>>> loose the keepers. A smack with a mallet will sometimes loosen up on the
>>> keepers
>>> that wont let go of.  You can check the valve looseness by just pushing 
>>> the
>>> valve back into the guide. It may take a good machine shop to really 
>>> check
>>> this
>>> condition. Hope you just need a valve seat cleaning and a regrind.
>>>
>>> You can check for valve leakage by reinserting both valves in the head 
>>> and
>>> adding some light oil like kerosene to the head to see where any 
>>> potential
>>> leakage is. O in # 3? I cant see why.
>>>
>>>  Hope others will add to this basic stuff. Where do you live? Any
>>> experienced
>>> corvair people near you?MIKE KOVACS
>>>
>>>
>>>
>>>
>>> ----- Original Message ----
>>> From: Charles Lee <Chaz at ProperProper.com>
>>> To: shortle <shortle556 at earthlink.net>; virtualvairs at corvair.org
>>> Sent: Sat, October 16, 2010 1:35:34 AM
>>> Subject: Re: <VV> Diagnose engine "knock" ? valve seat damage
>>>
>>> Wow !  I would have bet that # 3 would have an obvious indication of 
>>> valve
>>> seat damage, but it does not show any valve seat displacement ?
>>>
>>> www.yourbuyersinn.com/Cars/Corvair/1967MonzaCylinderHeadRemoval.htm#CombustionChambers
>>>
>>>
>>> I'm still convinced that #3 vale seat was the cause of my "knocking" when
>>> the engine wasn't even warm enough to do that ?
>>> Would the area around the valve be worn if the seat was loose ?
>>>
>>> The combustion chamber is wet though and the top of # 1 and # 5 are chock
>>> full of carbon, probably from messing with the carburetors, trying to get
>>> them right.
>>>
>>> Any ideas ?  I've never removed valves before, so what do I need to know
>>> that will surprise me if I try this ?
>>>
>>> Thanks again guys !
>>> Charlie
>>>
>>>
>>>
>>> ----- Original Message -----
>>> From: "shortle" <shortle556 at earthlink.net>
>>> To: "Charles Lee" <Chaz at ProperProper.com>; <virtualvairs at corvair.org>
>>> Sent: Friday, October 15, 2010 5:41 AM
>>> Subject: Re: <VV> Diagnose engine "knock" ?
>>>
>>>
>>> > Odds: Even money. Did you have good compression in all 6 cylinders 
>>> > before
>>> > you replaced the parking brake cable?
>>> > Timothy Shortle in Durango Colorado
>>> >
>>> >
>>> > -----Original Message-----
>>> >>From: Charles Lee <Chaz at ProperProper.com>
>>> >>Sent: Oct 15, 2010 12:43 AM
>>> >>To: virtualvairs at corvair.org
>>> >>Subject: <VV> Diagnose engine "knock" ?
>>> >>
>>> >>What are the odds that I'll find a dislodged valve seat on #3 ?
>>> >>
>>> >>Charlie
>>> >>
>>>
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>
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