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- Sun Apr 01, 2012 6:37 pm
- Forum: Bronco Tech
- Topic: Just purchased a1990 B2-engine issue
- Replies: 1
- Views: 747
Just purchased a1990 B2-engine issue
B2 has 131000 miles on it. Have found a marble rattling noise in engine when I hit 2500 -3000 rpm. Put a mechanical oil pressure gauge on it today. Idle about 800 rpm oil pressure is between 16-18 psi up to 45-50 psi at 2500 to 3000 rpm. at that rpm I hear this noise any idea what it is. I have been ...