Orifice washer number

Tiny
RODDY
  • MEMBER
  • 1977 CADILLAC DEVILLE
  • V8
  • 2WD
  • AUTOMATIC
I bought a after market egr valve for a 1977 cadillac and I need to know the correct orifice washer number-can you please help?
Thursday, December 23rd, 2010 AT 5:55 AM

1 Reply

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
There should have been a reference chart with the new part. That is not information you will find published anywhere, other than from the manufacturer of the valve. What they have done, is created an egr that will accomodate many different applications with one part number, and several sized orifices.
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Tuesday, February 1st, 2011 AT 3:23 AM

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