Re: harened seats

[Michael Spinazzola <threerail@xxxxxxx>]

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   John, you can machine a 516 for Max Wedge exh valves 1.88. However because of the lack of the larger Max wedge ports and the engine being smaller ,the later 68-78 1.75 exh is the way to go. Yes, you should have the heads machined (Exh valve area bored and an insert pressed into the bored hole then machined ie: valve job ) for the hardened exh valve seats. Unless the heads have had several valve jobs which have sunk the int valve it should not be necessary to have seats put on the int valve side. The amount of angles on the seat have nothing to do with hardening the seat........Mike
  ----- Original Message ----- 
  From: John Waskiewicz<mailto:jswask@xxxxxxx> 
  To: 1962to1965mopars@xxxxxxxxxx<mailto:1962to1965mopars@xxxxxxxxxx> 
  Sent: Monday, October 24, 2005 8:45 PM
  Subject: Re: harened seats


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  How big can # 516 casting heads exhaust valve get machined bigger?  I 
  thought that if you got 3 angle valve job on older heads, that they can be 
  hardend for unleaded gas? Do I need hardened valve seats when i get my 361 
  rebuilt?

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Please address private mail -- mail of interest to only one person -- directly to that person.  I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic.  Thanks!

'62 to '65 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html. 



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