sdrevik
New Member
Recently purchased 1992 Sundancer 7.4L B3 outdrive, previous owner had lower outdrive rebuilt recently (verified with mechanic), last fall I believe.
On our 4th outing, the trip out was smooth. I had noticed the fuel mixture has been rich lately (gas smell in exhaust). After powering down in a cove for about an hour, restarted and got the most awful rattling sound. Immediately checked prop- no fouling.
Made it back (10 min drive, didnt go to WOT), but rattling persisted (passengers were nervous). Doesn't do it at all in neutral. Max RPMs fall from 4100 to 3300 to 3500. Trim up/down doesn't matter.
Thoughts?
On our 4th outing, the trip out was smooth. I had noticed the fuel mixture has been rich lately (gas smell in exhaust). After powering down in a cove for about an hour, restarted and got the most awful rattling sound. Immediately checked prop- no fouling.
Made it back (10 min drive, didnt go to WOT), but rattling persisted (passengers were nervous). Doesn't do it at all in neutral. Max RPMs fall from 4100 to 3300 to 3500. Trim up/down doesn't matter.
Thoughts?