Hello,
I have a 1978 Sea Ray srv240 weekender that has a worn out MCM 260 in it. I am planning to go with either a 400 or 383 SBC. I have many questions as this is my first time upgrading from old 1978 to newer equipment. The stock exhaust manifolds are the rear dump type. I found some center...
I bought this engine and it never ran right. I tore it down and found that the lower main bearing and seal went out and leaned out #5 and #6. I replaced all pistons and rings honed and new upper and lower main bearings and seals. Its got good even compression on all cylinders. It still misses...
I am trying to find 2 good used pistons to fit the motor mentioned above. Serial # 2397885. I have called all the salvage yards on the sticky in this forum, no luck. I have tried oldmercs.com and a new one without rings is $250.:eek: I am hoping someone in Iboat land has some they can part with...
Re: 1971 Merc 800 to 1250 swap
Got the 1250 ss bolted on today and it is truely plug and play!! Sprayed fuel in the carbs and it fired right up. I need to replace the water pump and a fuel line and tape some wires....Ill be on the water tomorrow afternoon!:D[ATTACH=CONFIG]100707
I have decided to swap from a 80 to a 125 both the same vintage. As far as I can tell it looks like everything should just bolt up. Is this really the case or are there things I should be aware of? How about the tilt and trim, just take off the lines at the pump and leave attatched to old motor...
