Intake Manifold?
Brake cleaner, B99 or other solvent all work well. May need to fill it and let it soak a while. You need to pull it first of course.
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Terry Allison
N. Calif. & Boca Chica, Panama
09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)
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