6066 (1960-1966) GMC Truck Club

6066 (1960-1966) GMC Truck Club (https://6066gmcclub.com/index.php)
-   GMC V6 and V12 Engines (https://6066gmcclub.com/forumdisplay.php?f=9)
-   -   Exhaust valves (https://6066gmcclub.com/showthread.php?t=48097)

477.7 v6 March 17th, 2014 12:50 AM

Exhaust valves
 
Which Caterpillar Diesel valve will work in a V6? Will it also work in a Magnum?:thumbsup:

sclor March 21st, 2014 07:20 PM

Re: Exhaust valves
 
477.7 V6:
Have you seen these aftermarket valves on Ebay?

http://www.ebay.com/itm/60-61-62-63-...#ht_1263wt_662

Hope this helps.
Regards,
Steve
New Orleans

bigblockv6 March 23rd, 2014 12:59 AM

Re: Exhaust valves
 
The valves on ebay are for the non Magnum V6 engines, the real problem is in the hollow stem exhaust valves that are filled with sodium. These valves were notorious for snapping when over revving so the solution is to switch to a different type of exhaust valve. You can have custom stainless steel valves done up from Manley. This is something I'm seriously considering for my 478M because I know with my lead foot those exhaust valves will let loose.


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