223 sludge
More Turbo
Joined: Dec 2003
Posts: 585
Likes: 11
From: Upper penninsula
Real common on road draft tube equipped engines, especially those driven short distances. One of the great advances in engine life was the result of the PCV system mandated as part of California's early smog control program in the early 60's. That condensation was a main cause of sludging in early engines.
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