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Old 08-10-2000, 08:48 PM
Chris Haney Chris Haney is offline
Registered User
Join Date: Apr 1999
Location: Apex, NC USA
Posts: 176
I was removing the intake piping to access the exhaust pipe on my 603.970 engine. What filth!!! A severe coating of gunk beginning at the egr port. I've a mind to remove the intake manifold from the head and clean it too. The stuff must be 1/8" thick. At least its soft so I don't think any passed throught hte engine yet!

I beleive I will blank off the egr port instaed of just blocking the vacuum tube that operates it.

1991 350 SDL
125,000 miles
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