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    Help needed, random clunk from back of engine/boat

    I went WOT for about ? mile in my 1978 Sea Ray with a 350 and an Alpha 1 drive. As I was idling to shore I both hear and felt a clunk, almost like I hit a rock or something. It happened a few more time as I idled to shore at totally random intervals. I opened the cover idling in neutral and...
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    Cam Specs for Mercruiser 260hp?

    Does anyone know the approximate cam specs for the cam Mercruiser used in its 260hp Chevy 350CID. I built a new engine using Comp Cams 260h marine cam. Specs are duration of 212 @ .050 and .440 lift. stating operating range from 1800-4900rpm. I was just wondering how that compairs with Mercury's...
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    Reverse lockout leak repair options?

    I have a 1978 Searay Srv195 that originally had the Mercruiser 898(305 2 Barrel). I have recently replaced the motor with a 350 and everything is fine except for a leaky reverse lockout. What are my options to fix this problem? Do you have to replace it? Can you buy rebuild kits? can you...
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    What Should Total Timing be for a 5.7?

    Hi Everyone, I have not posted yet but have been a member for a while as I worked to put a new engine in a 1978 19' Searay openbow. It originally had a 898 Chevy 305. I have replaced it with a standard chevy 350/4brl. with a marine cam from Comp. Cams. My question is what should the initial...
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    Replacing 305 Chevy, Have some ?

    I just pruchased a 1978 Sea Ray with a new merc. alpha drive and a blown(rod) 305 chevy. I going to replace the 305 with a 350 and would like to know whats required to go from the 2 piece rear seal engine to the newer 1 piece rear seal engine? Also since the 305 was a two barrel and I'm...
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