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  1. alldodge

    5.7 Switched 12v

    No, the Red wire needs to be connected to full time 12V source. Use the Red/Purple wire which is connected to one side of the 50 amp breaker on the motor The Pink wire is connected to purple at the coil https://documents.holley.com/199r12505_website.pdf
  2. alldodge

    Mercruiser dies after getting on temp

    That could work Note wire coming from helm was white
  3. alldodge

    Volvo Penta 7.4 GI

    Welcome Is this a new to you boat or is this something that just started? The first things is check fuel pressure of the high and low pressure pumps HP pump should be 39 +/- 3 psi LP pump depends on which GI version, EF 8 +/- 4 psi, HU to WT 5 +/- 3 psi
  4. alldodge

    Is this fuel pump oil switch NO, and 1/8" NPT thread?

    It's 1/8 NPT
  5. alldodge

    Were we experiencing vapor lock?

    Yes, most likely VL
  6. alldodge

    Mercruiser dies after getting on temp

    How many wires are on the coil and what colors?
  7. alldodge

    Is this fuel pump oil switch NO, and 1/8" NPT thread?

    5-7 psi will close the switch
  8. alldodge

    Problems starting after fuel filter/water separator change

    Agree with Scott disconnect Tach gray wire
  9. alldodge

    Tensionless Timing Belt Replacement?

    Don't know about your motor but my new Verado service manual says the belt is replaced by using a tool and rotate the motor which rolls it off and back on
  10. alldodge

    Aftermarket fuel pump recommendations

    Have to agree If your working on a carb motor, about all of them will work, some better than others If this is EFI, well that can be a different issue
  11. alldodge

    454 mag mpi chuggles/stalls

    MEFI's all use fuel tables The table simply is a X and Y column table. rpm = A Temp = B MAP = C injector pulse with = D This is some of my old 509 info
  12. alldodge

    MAP pressure readings

    Manual 36 has the info
  13. alldodge

    MAP pressure readings

    Sounds right 12 to 16 inHg at idle and 12 to 13 inHg at WOT Far right scale is psi
  14. alldodge

    08 350Mag/B3 eng low voltage

    Need to fill the filter up. Electric fuel pumps don't suck very well like mechanical ones Cycle the fuel pumps and keep bleeding the fuel rail until all the air is out, then try to start
  15. alldodge

    454 mag mpi chuggles/stalls

    It is a puzzler and I don't have anymore ideas
  16. alldodge

    454 mag mpi chuggles/stalls

    Don't see that happening, is the fluid dark and burnt odor ?
  17. alldodge

    Stretched Shift cable. Cut to shorten?

    Need to find the center of the cable first using a fine tip marker. Loosing the 2 bolts holding the interrupter bracket so switch sits in center of Vee Yes sliding the cable up gives more movement with lower cable but that should be compensated in both Fwd and Rev by making sure the switch is...
  18. alldodge

    Stretched Shift cable. Cut to shorten?

    Don't cut, it's not adjusted correctly The cable could be twice as long and still work because the inner cable goes in and out the same amount Which drive and do you have the manual?
  19. alldodge

    454 mag mpi chuggles/stalls

    Was looking for water temp and forgot about your diacom. Motor started, air temp went from 119* to 118*, and then motor died, correct?
  20. alldodge

    Problems starting after fuel filter/water separator change

    Assuming this was a blue or white spark (3/8 gap) and it repeated this spark several times as engine was cranking What we know; Have spark Fuel pressure is low but available at 30 psi Remove flame arrestor, dribble a very small amount of gas down the throttle body. Crank motor and answer does...
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