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  1. M

    radiator cap ?????

    Did a search but did'nt have any luck....<br />I have a 1978 3.7L merc. 470 170HP and need a new radiator (or whatever you call it on a boat!?) it looks like a regular car cap but ya never know.. My question is can I just get a car one at local store and if so what is the proper p.s.i. (Mines...
  2. M

    Are these the right wires...

    Hi all<br />Are these the right spark plug wires for the 3.7l 224/470 mercruiser...going on a 78 SeaRay SRV195??<br /><br />18-5227 Spark Plug Wires<br /> Merc 7Mm Wire<br /><br />18-5228 Spark Plug Wires<br /> Merc 8Mm Wire<br /><br />and are there better wires here too or are these good???
  3. M

    Is this crazy? or is it just me?

    http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=2493154264&category=31284 <br />$400 for a alternator bracket?? (with a alternator but still!!) <br />Man I must be in the wrong business...however I see no bids... maybe $39.95 w/o alternator....
  4. M

    manual comparison ???? :confused:

    Hi all<br />I am wondering what your opinion is between the Seloc Online.CD manual vs. the regular book manual? the Online version seems to be the better one with the exploded views option and the part number reference but I wanted some opinions from people who have used them... :confused:
  5. M

    Throttle ? on 3.7

    Hello all.<br />I have a Merc 3.7/470 170hp in my 78 SeaRay that I just got about a month ago. When i started her up on a set of muffs (first time it had run in a year) I noticed that you had to put the throttle half way forward before the RPM's (and the linkage to the carb would move) would go...
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