<VV> Valve Noise

[Louis C. Armer,Jr.]

AND OF COURSE.....................WHEN IS THE LAST TIME YOU CHECKED 
THE OIL COOLER
TO MAKE SURE IT IS CLEAN ???

Chuck Armer
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At 08:20 PM 5/30/2006, you wrote:
>Is the perimeter seal and all shrouding in place?  If not, that is 
>likely what is causing (or at least a large contributing factor to) 
>your high temps.
>If it is THAT hot, maybe you are hearing ping (detonation) rather 
>than valves.  Where is the timing set?  How much advance?  You might 
>try backing the timing off a couple of degrees and see if that 
>helps.  BUT, what you really need to do is figure out WHY the engine 
>runs too hot.
>Synthetic oil can help.  A larger oil cooler.  Remove the lower 
>shrouds. These can all help with the high temps.
>
>Later, JR
>
>'61 Rampside Standard 4/110
>'65 Monza Convertible 4/140 (times 2 for now)
>'66 beater Coupe - icemobile 4/140
>///////////////////////////////////////////////////////////////////////////////////////////////////
>----- Original Message ----- From: "pete" <pwilhelm2 at cogeco.ca>
>To: <virtualvairs at corvair.org>
>Sent: Tuesday, May 30, 2006 5:55 PM
>Subject: <VV> Valve Noise
>
>
>I have a 1968 500, 110 HP. My current problem is that when the 
>engine gets very hot (i.e. after several miles highway driving) 
>there is considerable valve rattle when accelerating. This does not 
>occur when the engine is cold or on short local runs. I have 
>recently replaced the valve pushrod 'o' rings and set the pushrod 
>gaps cold according to the procedure given in the Corvair Basics 
>book. Again, there is no valve noise whatsoever when the engine is 
>cold. I have re-checked the point gap and also the crankshaft pulley 
>and everything seems fine. Any ideas what is going on here? The 
>engine supposedly has about 69,000 mi.
>
>Pete
>///////////////////////////////////////////////////////////////////////////////////////////

CORSA Member
CORSA Tri-membership Chairman
Corvair Atlanta Member
Corvair Atlanta BOD
Corvanatics Member
SECC Member

1965 Corsa Coupe
1964  Greenbrier
1966 Monza Convertible
1966 WTBRT #112 xcrosser 1/2 owner
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