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  1. Scott06

    Idles great / misses when throttled up

    its your show but do the trouble shooting first if you can set points you can handle through the trouble shooting guide. No sense replacing the sensor if the module is at fault … you have to remove the rotor and trigger wheel attached to it to get the sensor out. last TB rotor i removed was...
  2. Scott06

    Boat swamped, let's see if we can get it running...

    Youve come a long way with this , most other folks would have left it rotting in the yard…keep going… i would carry an extra fuel pump relay and i do keep a tb module and distributor sensor on my boat. I got a used module off ebay for like $200, had a spare distributor off my old engine. also...
  3. Scott06

    4.3 carbed Volvo Penta kill switch question

    Dont have serial number or exact model of this engine as it is my neighbors 2001 Galstron with a 4.3 carbed engine SX drive. Boat has been well cared for and maintained , essentially trouble free. he couldn’t get it to run the other day, turned over just would fire. My dad helped him diagnose...
  4. Scott06

    Serpentine belt replacement 4.3GXI-E

    Ditto when i sold my old boat in 2016 , it was a 1991 that still had all the original belts and hoses…
  5. Scott06

    MerCruiser 3.0 TKS Overheating and activate alarm

    Ake sure your muffs are t blocking the intake holes as well. Mine if not perefectly aligned can actually block the water flow into drive
  6. Scott06

    A1G2 decisions. Rebuild or replace?

    Would replace the ring it beat up, make sure the big square ring is properly glued in there. ive had a couple times where alignment is not text book perfect aka two fingers on bar, but drive goes in perfectly. i have had it where i think there is so much grease from alignment checking when you...
  7. Scott06

    Mercruiser 5.7 won’t make power

    Dont know but you certainly have a reasonably smart group here stumped. If you pull the engine maybe go back in with a big block… at least now with adding a third toon it isnt an apples to apples comparison. so you have a 25” center tube and what size outer tubes?
  8. Scott06

    Idles great / misses when throttled up

    Did you go through the trouble shooting guide chris posted ? This will identify if your sensor/ pickup is bad or module etc.
  9. Scott06

    Mercruiser 5.7 won’t make power

    thats why i mentioned it toons dont plane out , also had similar issues with my brothers Twin Vee power cat , been hard to hone in on optimal prop. Im sure ops boat is more tail heavy with a 5.7 than 3.0. about all he hasnt checked yet is if cam is retarded or degreed it in.
  10. Scott06

    Mercruiser 3.0 diagnosis / serial number decode

    Usually if you were activating the shift cut out going into gear that is an indication that your lower shift cable or shift mechanism needs a replacement or is hung up
  11. Scott06

    Mercruiser 5.7 won’t make power

    1000-1200 rpm depending on how much cup it has and if the engine can swing it Be interested to see if that works maybe the cam doesnt have enough low end torque for this application
  12. Scott06

    Mercruiser model 1A/1B/1C Trim pump

    Yes that is the original style pump (takes ATF) that my grandfather replaced with the one i linked to which worked just drive would sink down over sevral minutes… i assumed you needed a replacement But sounds like that isnt the case. if you do that later tilt pump which is black will work… merc...
  13. Scott06

    Mercruiser 5.7 won’t make power

    If you end up with nothing else to try I would set total advance at 30 and see what that does. I tink the delco kit states 8 intial 25 total for a 350 but I think merc for a vortec is 10 initial and 30 or so total .
  14. Scott06

    Mercruiser 5.0 MPI fuel problems

    Yeah basically saying log into me...
  15. Scott06

    Mercruiser 5.7 won’t make power

    What was the total advance coming in at now that initial timing is properly set and was tdc verified , or am I asking questions faster than you can wrench....
  16. Scott06

    Mercruiser 5.7 won’t make power

    That is on the low side. Might be taking Danforth's advice and see if you have a flat cam lobe by checking lift at the rockers. Also would look for intake and carb gasket leaks. If you had a intake leak I would think your plugs would be way lean and you would have top adjust your idle mix screws...
  17. Scott06

    Mercruiser model 1A/1B/1C Trim pump

    I think the manifold is not under the gimbal housing hoses come out the side of the gimbal housing
  18. Scott06

    Shifter is turning the upper shift shaft when put in forward or reverse.

    Might have bent the swivel shaft would disconnect the lower shift cable at the shift plate see if it moves feely both with the swivel shaft connected and disconnected. That should narrow down where the hang up is. There are an upper and lower set of bushings in the bellhousing and a upper...
  19. Scott06

    Mercruiser model 1A/1B/1C Trim pump

    I would say good luck on this . My grandfather had a '66 Penn Yan with same drive but the 150 hp 6 cylinder, Quite frankly the tilt never worked since it was new, always had issues. I cut my boat maintenance teeth on that boat with him This is pushing my memory back but originally his had a...
  20. Scott06

    Eliminate thunderbolt system ?

    Agreed I like carbs myself but appreciate the electronic ignition. But as Chris lays out it is relatively easy to diagnose when understood So yo have an issue when you accelerate? As Chris mentioned lay out what the issue is and what you are working on may not be ignition related. .
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