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  1. Scott06

    Carb Recommendations for 5.7L Vortec?

    Yes - basically they factor a higher volumetric efficency for racing engines vs street. Most of the outfits like Michigan Motorz who sell partial or complete engine packages use a 1409 600 cfm on 5.7 engines so these must work well. Not to foncuse the issue- I have never been able to figure...
  2. Scott06

    Ignition Installation Questions TB V

    This is a snip out of the 5.7 tbV alpha drive with knock sensor wiring digram shows icm on distributor but you can see wire colors . shows wires for initial/base timing ground , alarm(tan/blue wire), shift interrupt
  3. Scott06

    Ignition Installation Questions TB V

    If i recall the four pins on the right have a connector to shift interrupt, i tial timing set , and alarm system. maybe only three wires. Do you have alfa or bravo drive
  4. Scott06

    Drive Rebuilder Can't get parts, since November, May get Alpha for L6's

    Agree with your options. Hopefully u get made whole financially. No one likes talking crap but you may want to mention the rebuilder so no one else gets screwed
  5. Scott06

    My boat sank, part II

    Don’t recall seeing profanity in previous post, but i like profanity so may not have noticed…At any rate same comments from all. Good luck and get her running asap, then change oil until it stays clean
  6. Scott06

    Is 90hp ob enough??

    This is really good advice I was given a 17 ft sea Ray w a 3.0 when my folks sold their cottage. Was adequate even for skiing by using a 16” 4 blade prop…. Fast forward a few years money is better wife went back to work now we have a 21 ft with 260 hp …
  7. Scott06

    Four Winns Horizon 190 — Looking for tower suggestions

    I went with the krypt xmobe https://www.krypt-towers.com/x-mobe-wakeboard-tower-polished-or-black-1/ i thought it was a good tower for the money, well made and folds relatively easily, doesn’t rattle Definitely easier to get out if the water.
  8. Scott06

    1998 Twin 5.0Gi SX outdrive Rumble/Growl

    Gimbal bearing will be louder in turns and under load. check u joints while in there
  9. Scott06

    new carb new issue

    What do spark plugs look like is timing set to spec so you have good spark ? does choke fully open what do contents of fuel filter look like
  10. Scott06

    Alpha one gen one on gen 2 gimbal housing

    Is your Gen 2 drive in good shape? are you swapping it just for the V6 ratio? If you are just doing it for the V6 drive ration keep the gen 2 and go up in prop pitch 2"
  11. Scott06

    Mercruiser Pre-Alpha (MC1) Broken Beyond Repair... Options/Recommendations?

    It might be worth posting some pictures of the damage you need to fix on your gimbal housing becuase if that is damaged your engine needs to come out either way to replace the gimbal housing. An alpha one gen one will bolt up and work on your existing transom assembly if it is in good...
  12. Scott06

    Mercruiser Pre-Alpha (MC1) Broken Beyond Repair... Options/Recommendations?

    Pretty sure except for possible driveshaft (into coupler) length difference any later R/MR/ Alpha gen one will bolt up. you can get a used drive or look at the aftermarket SEI 106 drives. Says it fits 1972 -1990 which should cover your mc1
  13. Scott06

    Bayliner 175 Rehab

    For internal engine parts for the rebuild do not buy them from mercruiser or any marine place, best to find a local machine shop or engine rebuild shop as they are standard GM industrial engine parts. if you find you need to replace the engine due to freeze damage etc Michigan Motorz is a often...
  14. Scott06

    2005 Mercruiser 4.3L V6 TKS Oil Pan Seal/Gasket

    @achris i think chris went through this with leaking timing cover and pan, i think he posted the gm part numbers
  15. Scott06

    Mercruiser 888 no go over 3000rpm

    Are you getting full ignition advance . Assuming you have a mechanical advance, verify with timing light you are getting 28 or more degrees total advance by 2800-3000 rpm. Not sure of the specs for your engine but that is a rough ballpark
  16. Scott06

    mercrusier 350 MAG MPI coupler problem

    Make sure you have the correct input shaft (only one I knew was shorter is the older inline six ones) and alignment is good and it will work.
  17. Scott06

    Mercruiser 165 distributor breaker plate

    you may be right but they list a 250 engine in the instruction manual, may no longer be made due to age of GM straight six engines ...
  18. Scott06

    mercrusier 350 MAG MPI coupler problem

    If the alignment is correct the coupler will last the lifetime of the boat. If this is the third coupler there is an issue that needs to be fixed either transom engine mount of stringers are damaged, someone is hitting stuff or running over anchor lines, or alignment is off. Were these OEM...
  19. Scott06

    Mercruiser 165 distributor breaker plate

    If the aforementioned oxalic acid doesnt work might consider upgrading to the delco EST for reduced maintenace
  20. Scott06

    1993 mercruiser 4.3lx dies after a few minutes

    see post #2 Have you checked th otheritems on the list rule fuel pressure out by measuring it. Have you checked spark when it dies ?
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