Originally Posted by Rhodesram

Tension Throtlle Pully

Originally Posted by Dr. Bill

I did not want to bias anyone's opinion, so I did not mentioned it, but my noise started about 500 miles after changing the oil to Mobil 1. I have run mineral base, semi-syn, and full synthetic before with no problems. It was pretty clear to me that the Mobil 1 caused my noise to start. At the next change, I will move back to mineral stock and see if some build up will tighten things enough to stop the noise. I usually rotate types and brands of oil rather than using one particular, but I will avoid Mobil 1 because it may be too clean with too much detergent.

Originally Posted by 72combo

I am glad I came across this I was gonna change to Synthetic in fact Mobil 1 cuz it's on sale and also Valvoline Synthetic is also. Maybe I will stay with regular oil for now. My engine sounds fine, in fact I am gonna put Magnaflow and make it sound better.

Originally Posted by Dr. Bill

but my noise started about 500 miles after changing the oil to Mobil 1. I have run mineral base, semi-syn, and full synthetic before with no problems. It was pretty clear to me that the Mobil 1 caused my noise to start. At the next change, I will move back to mineral stock and see if some build up will tighten things enough to stop the noise. I usually rotate types and brands of oil rather than using one particular, but I will avoid Mobil 1 because it may be too clean with too much detergent.