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  1. M

    1979 searay 300 trips breaker no shore power

    Did you check the breaker next to where you plug your shore power into ?
  2. M

    Mercruiser 5.0 TKS vs 4.3 MPI

    No I am saying , go with whichever one you think will be a better fit for you. If you are relatively new to boating and end up enjoying it the odd's are in a few years you will be looking for a bigger boat ,consider that . Both boats have decent power plants / Your original post was about a...
  3. M

    Mercruiser 5.0 TKS vs 4.3 MPI

    Boy it's not the same hull. It does not have the same torque. It is not worth more. It will wear out quicker. The fuel milage difference isn't even worth discussing. Yes after sitting a week or so the MPI will fire up sooner than the carb. After the 5.0 is started one time it will fire up as...
  4. M

    Mercruiser 5.0 TKS vs 4.3 MPI

    Scott , do you have link for this upgrade ? I searched in the Mercruiser forum and couldn't find it. Although I do recall seeing that info recently posted there. Thanks !
  5. M

    Mercruiser 5.0 TKS vs 4.3 MPI

    The big difference in your fuel consumption numbers are probably bc of a few things unless they were in the exact same hull ,which I doubt. The 3.0 was probably in a smaller ,lighter hull than the 5.0 . The difference in drag and weight would make a huge difference. There is a formula that is...
  6. M

    Mercruiser 5.0 TKS vs 4.3 MPI

    The " fuel economy " is based on how heavy your throttle hand is. The - gas - difference between the 4.3 and 5.0 is minuscule. The 5.0 has more torque which means its going to get up on plane with less gas than the 4.3. Has more cylinders which means less wear and tear on the engine if your...
  7. M

    First time boat owner

    Boater Safety course comes to mind as well as charts .Pressure treated wood attached directly to aluminum is a no no . I know you said you put it over the old stuff , just letting you know for future reference.
  8. M

    Mercruiser 5.0 TKS vs 4.3 MPI

    You will have more torque with the 5.0 ,which is helpful when loading up the boat and or for skiing , better hole shot .
  9. M

    258 Vista. I think I want one

    What particular boat are you referring to ? If you are referencing my boat about your trailer comment you may want to read it again. I responded about boats in " the 30' class " not the boat that he originally was asking about.
  10. M

    Reverse rotation

    Have twin inboard 305s. Starboard engine distributor turns counter clockwise and has two sets of plug numbers on cap ,larger sized numbers for normal rotation and smaller for counter.The engine itself turns clockwise when running , I think , as I just discovered this when a no start issue came...
  11. M

    Owners manuals

    Maybe the mods could post a sticky at the top with that heading . Then explain to the people that are too lazy to use the search engine on here to figure out they are non existent with the exception of a few brands.. I know of two ,Boston Whaler and Rampage and that was from the late 80's and...
  12. M

    Mercruiser Sea water impeller

    Have a 1987 inboard ,5.0 and I am looking for the MFG or part number of impeller or pump itself . This is NOT a I/O Manual shows a picture of outside of pump but nothing else as far as mfg or impeller info.
  13. M

    Ford 302 ,Grounding Issue ?

    Question was posed to me and I am 1500 miles away. Guy has a 2002 Ford 302 straight inboard and will not start /turn over/trips circuit breaker when in water. Pulls boat out of water and it turns over and fires up right away at the ramp. Has brand new battery and voltage meter shows 14 when...
  14. M

    5.0 labeled on air housing ?

    Buddy looking at a 2006 boat and he sent me a picture of the engine. The air cleaner housing has specs listed and it shows 5.0 [ 350cid ] written just like that with parentheses as shown. Along with a big 5.0 in the center. A 350 is a 5.7 so what gives with Mercruiser showing it as possibly a...
  15. M

    1987 5.7 inboard engines

    Tried a search and couldn't come up with anything, so forgive me if this is a repetitive question. Are these engines 350 chevy blocks with some volvo parts added on or are the stand alone Volvo engines. As I searched I saw there engines were 5.7- 5.0-7.4-4.3 that mirror the GM numbers. Are the...
  16. M

    Is this site messed up or is my computer wacked ?

    I can read entire posts when I am NOT logged in. When I log in I can scroll about 3/4 of the way down on a topic and then it locks up.Log out and I can read the entire post/topic.This is the only site it happens on. Also I love how someone asks a question/has a issue and when people that are...
  17. M

    Mercruiser manual #5 Att. Moderators

    All the service manuals but Number 5 load up. Is there a issue with this ?
  18. M

    Merc 3.7 drive swap for Merc 120 ?

    Front of bullet is starting to weap oil on 1979 Mercruiser "3.7" and I have 2 good "120" drives taking up space in the garage.Will try some JB weld in slightly pitted area.If that does not work we go to my question. I know I can swap out the different gears,just do not want to pay for it.I was...
  19. M

    Looking for info on Michigan prop

    Have a trashed out- Michigan smc 380 cup-[ that is the only marking stamped on prop] trying to find out what pitch and diam this is. Searched EB and found a 378 that was 15 1/2 x 19 and thats as close as I can find. Just bought as is,as is I am rebuilding the engine and have never had it in the...
  20. M

    Carb Model number for 470 ?

    Rebuilding my 470 2 barrel.I picked up a 4 barrel intake manifold for it. Need to know the Rochester model number. Would also like opinions on other carbs vs the stock carb, [like a Holly].Also are the cfm ratings the same for the 470 - would a 650 vs 750 make any difference ? Is there anything...
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