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Thread: Help I need a stock 502 mag mpi rebuilt

  1. #1
    scarabrick2
    I need it rebuilt and don't want to spend 10K
    Rebuild the 502 to .030 over. new pistons of course. recondition the rods, balance, valve job with new sst valves, new cam w/lifter and new rockers.
    Maybe new rods pending $
    Any input?
    will take boat to Havasu, cali, or here in Vegas

  2. #2
    burtandnancy2
    All Seasons Marine - BC

  3. #3
    scarabrick2
    they are good but they can't get us in for 4 weeks plus. Would love to use them. Can you make a call for us?

  4. #4
    SummitKarl
    I need it rebuilt and don't want to spend 10K
    Rebuild the 502 to .030 over. new pistons of course. recondition the rods, balance, valve job with new sst valves, new cam w/lifter and new rockers.
    Maybe new rods pending $
    Any input?
    will take boat to Havasu, cali, or here in Vegas
    hold please making call

  5. #5
    SummitKarl
    ok..
    ?....why does it need rebuilt....hours? smoking? broken?
    realistic time frame is 6-8 weeks, two motors ahead of you....
    but you get one of the best builders in the biz.

  6. #6
    scarabrick2
    blown head gasket on the odd side.
    650 hrs on motor
    550 on motor with whipple 2300 series 7 #'s boost
    instead of head gaskets, should rebuild since the heads and intake have to come off.
    6-8 weeks is a lot of time. two months in the middle of the sumer is crazy i think. Guess i was hoping for a month down. I know the machine work will take a week. want it: line honed/bored,decked block and heads, valve job and all has to be done on a CNC machine.
    I only want CNC machine work done. I know the machine work is the heart and soul of the engine.
    Thanks for the help summit carl.
    Hopefully we can get it dropped off this week
    Rick

  7. #7
    burtandnancy2
    brick2, sorry, I used up all my favors. Beside, my kids boat may need something too. You may be wise to get on the list. They are very good and worth the wait. What the hell were you doing all winter? 650 hours !!!

  8. #8
    sdpm
    blown head gasket on the odd side.
    650 hrs on motor
    550 on motor with whipple 2300 series 7 #'s boost
    instead of head gaskets, should rebuild since the heads and intake have to come off.
    6-8 weeks is a lot of time. two months in the middle of the sumer is crazy i think. Guess i was hoping for a month down. I know the machine work will take a week. want it: line honed/bored,decked block and heads, valve job and all has to be done on a CNC machine.
    I only want CNC machine work done. I know the machine work is the heart and soul of the engine.
    Thanks for the help summit carl.
    Hopefully we can get it dropped off this week
    Rick
    CNC boreing and honeing machine? CNC Serdi machine and line hone? I don't think I have ever seen these? Interesting.

  9. #9
    SummitKarl
    blown head gasket on the odd side.
    650 hrs on motor
    550 on motor with whipple 2300 series 7 #'s boost
    instead of head gaskets, should rebuild since the heads and intake have to come off.
    6-8 weeks is a lot of time. two months in the middle of the sumer is crazy i think. Guess i was hoping for a month down. I know the machine work will take a week. want it: line honed/bored,decked block and heads, valve job and all has to be done on a CNC machine.
    I only want CNC machine work done. I know the machine work is the heart and soul of the engine.
    Thanks for the help summit carl.
    Hopefully we can get it dropped off this week
    Rick
    the builder is lurking and will send you a PM.....he is VERY!!!!!! good and worth the wait.....everyone in the boat repair industry is SWAMPED right now

  10. #10
    sdpm
    Hey Karl, who is this builder?

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