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  1. Scott06

    No Spark – 1998 MerCruiser 5.7L Thunderbolt V Ignition

    in addition to testing above. A bravo module is not made to work with a shift interrupt, so i dont think it will go out of gear. I test ran my engine when I repowered with a bravo module (alpha set up as well. If I recall it worked with the bravo module with the shift interrupt wires from the...
  2. Scott06

    Should I use a kicker when trolling in a 4.3L Mercruiser?

    you are already on the lower side of pitch with a 17". the only thing you may want to keep an eye on is wear on the coupler, you can actually get more wear on the splines trolling as the solines load and unload due to wave action. Not saying this is a deal breaker just something to keep an eye...
  3. Scott06

    The easiest and most precise way to install a gimbal bearing

    if they are beating on it the bearing is most likely cocked in the transom housing. Going in or out it shouldn't take that much force. The tolerance ring on the outside crushes a bit to hold it but shouldn't need anything than a good sized hammer to drive it in. Use the OEM bellows for...
  4. Scott06

    Alpha 1 Gen 2 shift shaft seal replacement

    I think it uses either the sleeve or the washer in this parts breakdown both are listed as part #34. you should be able to track it by your serial number, may be a minor change...
  5. Scott06

    Stalling, sudden low idle.

    negative side of coil sends signal to tach. Some mercs will have two grey wires on negative side of coil- one for tach one for ignition module. You can take off the one going to the the tach. Others will have only one wire that splits in the harness and and goes to Ignition module and tach, in...
  6. Scott06

    Water leak

    post a pic - by inside of gimbal housing are you talking about where the exhaust bellows go? or on inside of the boat ?
  7. Scott06

    I/O (Sterndrive) Conversion to Outboards

    You dont necessarily need to replace it pound for pound. Just need to lower tongue weight
  8. Scott06

    Aftermarket Mercruiser parts, What are you using???

    Use the OEM quicksilver/mercruiser. The originals on my biat lasted 18 years, why screw with anything else. They will fit and last. Get a factory manual for your OD as it takes you through the job step by step
  9. Scott06

    New engine installation

    Yeah that’s what happens when the spark coming off the coil has no where to go. That’s actually a good sign younhave a nice hot spark
  10. Scott06

    If you're wondering if your anti siphon valve is stuck, or clogged, here's a test....

    Agreed. My buddies boat had bogging issues this summer. Two years ago he was having this when pulling skiiers,I rebuilt the carb no issue for 2 summers, this year got progressively worse. we start working on it dump the fuel filter into a jar and in 5 mins it is a milky cloudy mess. was...
  11. Scott06

    Winterizing, use E-0 stabilized gas or install shut off valve and run carb out of fuel?

    It (carb) will dry out just sitting there. I put stabil in my tank starting Labor Day so it pulls through the system. I do this with both my boat (carb/ ethanol Free) and jetski (injected/ E10) never had an issue fuel wise with either, nor seen any chit in the fuel filters. Generally I fog but...
  12. Scott06

    Running New Style Merc 6.2L DTS on a Pallet ???

    That's what I figured , so it needs to come out anyways should be able to set it up for test firing
  13. Scott06

    Running New Style Merc 6.2L DTS on a Pallet ???

    If you have to remove the DTS rigging anyways that would be easiest to run it out of the boat. Or are you keeping it for use with merc outboards? or does it not work that easy...
  14. Scott06

    Gm 4.3 blocks

    the 090M (m for metric) has metric fasteners on the starter, flywheel cover, and side motor mount holes. Don't ask me why GM mixed metric and SAE on the same block I swapped a 090M 4.3 in my boat for a 5.0 that has all SAE fasteners- was no big deal about $45 worth of bolts. All the accessory...
  15. Scott06

    Stalling, sudden low idle.

    this is a good point and good initial troubleshooting technique
  16. Scott06

    Stalling, sudden low idle.

    If you don’t have them get the factory manuals for both engine and drive. Has great info and procedures for stuff like doing the bellows. i bought used ones off ebay
  17. Scott06

    The easiest and most precise way to install a gimbal bearing

    I have used a piece of 3” sch40 pvc pipe almost a perfect match for the OD of the bearing and was laying around the garage
  18. Scott06

    New engine installation

    there is no crushed area that is the casting of the OF housing. If you are talking about the oval looking hole near the tag, that’s actually a round hole that goes through the bellhousing flange on back of block.its just at a 90 deg angle to camera .
  19. Scott06

    Stalling, sudden low idle.

    Plugs look a little rich but definitely in the normal range. did you adjust the throttle cable or idle speed screw or both?the throttle cable should be long enough that when you set the idle speed screw to what rpm you want with The throttle cable off the carb Throttle lever. Once idle is set...
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