Dirty Oil, I have a Chevy 350 bored and stroke to 383. The oil get black/dirty looking a few hundred miles after I change it. The engine also runs rich. What would cause this?

Asked by Sep 13, 2016 at 10:52 AM about the 1955 Chevrolet Bel Air Base

Question type: Maintenance & Repair

1 Answer

94,465

Black oil is normal after a few hundred miles, if it make you feel better go with 5-30W or 10-30W synthetic and a good oil filter, you should be fine...

7 out of 7 people think this is helpful.

Your Answer

Add photo

Related Questions

Search Chevrolet Bel Air Questions

Chevrolet Bel Air Experts

#1 WheelerDealer
WheelerDealer
Reputation 180
#2 tenspeed
tenspeed
Reputation 170
#3 COMETGUY61
COMETGUY61
Reputation 140
View All

Related Models For Sale

Used Chevrolet Corvette
180 Great Deals out of 20,807 listings starting at $3,995
Used Chevrolet 210
77 listings