Bought a 1991 26ft Regal that had been sitting indoors for about 1.5 years. It has a 454 7.4L MerCruiser. Before I ran it I replaced both batteries, changed the oil and filled it up w gas from the marina. Ran good first two times I took it out. Third time it ran good for about 45 mins then the...
I have a 1991 26ft Regal w a 454 7.4L Mericruiser that i just picked up about a month ago. Ran it hard 2 weekends in a row and on the 3rd week, when I open it up to get up on plane, the rpm's drop REALLY FAST back down to 1800-1900. It keeps doing this. If I rev it slow I can get the rpm's up to...