[FC] Mikes dropped valve seat

[Andy .]

LOL - correction from my recent post "peace of mind" not "piece of mind".... Freudian slip perhaps.  

 


 
> From: rumbleseat66 at hotmail.com
> To: corvanatics at corvair.org
> Date: Fri, 5 Mar 2010 12:23:21 -0500
> Subject: Re: [FC] Mikes dropped valve seat
> 
> 
> Good points Ken - I guess it's just been my experience that many (most) used parts I use were taken off cars that were parted out in the 70s and have just been sitting around for decades - or parts cars that have been out of service since the Nixon administration. Others may not be that lucky. With heads though, a guy can make an educated evaluation based on valve guide tightness, wear on valve tips, how much HG surface is deformed, sludge appearance... you just can't see how hot it's been. It would be interesting to do a survey of sorts on total corvair miles driven in the past 5 years vs. number of dropped valve seats (small valve / non-turbo applications) My guess would be relatively few failures relative to many, many miles driven. You probably have a better sense of it given your exposure and repair business - mine is just personal experience and our small local club. Of course it's a calculated risk / bet... most everything in life is. 
> 
> As for the cost... I will use your pricelist as a baseline since I know you do top-notch work
> 
> Weld head for seat repair $30
> Valve seats installed (6)@35 $210
> Valve guides installed (6)@25 $150
> Valve Grind 3 Angle per head $82 
> Shipping 2 ways (estimated) $25
> 1-2 weeks downtime (minimum) Free
> ---------------------------------------
> - - - - - - - - - - - - - - - -> $497 for damaged head, $467 for other. Add for bronze guides, HG resurface, new valves or springs (might as well).
> 
> With good oil and no overheating, you will have a set of heads that will provide hundreds of thousands of miles of worry free performance. Cost per mile is negligible. That piece of mind can be priceless. I know the feeling of being scared to shut the engine off for fear of the dreaded hammering upon restarting (mainly 140s)... fear quotient directly proportional to # of miles from home. You just have to ask yourself if that is the goal for the particular application. Believe me, I have had many Corvairs where the powertrain cost far exceeded the price paid for the shell.
> 
> As for adjusting lifters Ken, I always do them dry on the bench by feel and never have any problems. I just know many people still swear by adjusting them running. Seems Clark's even strongly suggests it. We don't even need to start a lifter discussion... not without including David at TheSource and LonWall anyway :) That reference may be from another board - I forget.
> 
> 
> PLEASE DO NOT take this as a personal attack Ken - I truly value your insights and passion for keeping the Corvair hobby alive. Not trying to butt Heads! (pun intended)
> 
> 
> 
> Maybe OK core to build here on ebay (it's even a drivers side Mike) http://cgi.ebay.com/ebaymotors/Single-3878566-Corvair-110HP-Head-1965-67_W0QQcmdZViewItemQQhashZitem563a2c4804QQitemZ370343168004QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories
> 
> 
 		 	   		  
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