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  1. Scott06

    mercruiser 4.3 thermostat housing

    It’s just below the lube vent plug on the port side of upper just below mercruiser sticker will have the serial number and drive ratio, will also be stamped in drive under the mercruiser sticker if you have the serial number this is the best way to order parts
  2. Scott06

    mercruiser 4.3 thermostat housing

    Do you know your drive serial number it would seem with that thread there are 3 different u joints used for the alpha gen 2 depending on serial number range
  3. Scott06

    I just bought a 2025 Bayliner VR5 with the 200hp 4.5L Mercruiser, BARELY pulls me up slalom

    Don’t think you need a different boat but it will be a bit underpowered. I would stay with aluminum props for the moment. I had good luck on a previous boat with Michigan vortex 4 blades. They are relatively cheap and a good way to cut your teeth on prop swapping. I went from a 19” 3 blade down...
  4. Scott06

    1978 Mercruiser 228 Sterndrive help

    The alpha one gen one does not have an oil reservoir like the alpha one gen two has . Make sure you are looking at buying alpha gen one drive
  5. Scott06

    mercruiser 4.3 thermostat housing

    I think this thread from a few years back covers all the different ujoints out there https://forums.iboats.com/threads/u-joints-for-2003-alpha-one-gen-2.749703/page-2 edit posted this right after AD … same thread
  6. Scott06

    mercruiser 4.3 thermostat housing

    What is the serial number on your drive? To my knowledge yes the 315 works for all the internal clip ones but if u get A different measurement let’s take a look what are the other dimension of the joint...
  7. Scott06

    Carter P4389 Doesn't Work when Connected to Carburetor

    Always the simple chit Just a matter of working through it
  8. Scott06

    Alpha 1 Gen 1 Upper Unit Hex Bolt Connecting Halves Broke Off

    Yeah even on mig you need different wire and a trim is gas for optimal penetration. Most time I use a Tig for this stuff. Maybe got some heat in there anyways. only did flux core once never again… it was good because it was outside work but the splatter was insane
  9. Scott06

    Zenith 263M2 Carb Float Setting

    Mikes is awesome for tech support
  10. Scott06

    1978 Mercruiser 228 Sterndrive help

    First get the correct factory service manuals for you engine end drive you can find parts here https://www.marineengine.com/parts/mercruiser-sterndrive-parts/ drives are at bottom of page. if you google it there are places like sterndrive engineering that sell kits. Or can assemble a kit of...
  11. Scott06

    mercruiser 4.3 thermostat housing

    It will fit, grease ale or not does not matter for fit
  12. Scott06

    mercruiser 4.3 thermostat housing

    Yes that if that is where the clip goes a MOOG 315G or equivalent will work. Last time i bought them from summit. they will be greaseable. https://www.summitracing.com/parts/mog-315g?srsltid=AfmBOopDUzBKcTpwOEhZYWOiL2inrgs5K4YE0nKUvNpM1Q92XBNX_PRT
  13. Scott06

    mercruiser 4.3 thermostat housing

    if you have the inside snap rings MOOG 315G or equivalent This looks like what you have but cannot be sure. if you have the external snap ring moog 344 or equivalent - which I think cross references to a volvo 240/740/940 among other vehicles
  14. Scott06

    Should I pull heads for inspection, 5.7 liter

    Agree with Bondo do some more investigative work before pulling it apart. You can do the poor mans leakdown like he mentions. Post some pics of the plugs and do you see fuel dripping of the venturis at idle?
  15. Scott06

    mercruiser 4.3 thermostat housing

    i in the applications part 18-8835-1 fits Delco EST and YEMS distributors where 18-8810-1 looks to fit both Delco EST and Thunderbolt distributors. One would think there is some sort of difference if they are making two parts numbers. Do you know what distributor you have ? if you take a...
  16. Scott06

    Need Help & Advice on a Purchase....

    Guys we are getting off topic and not really helping the OP.
  17. Scott06

    How much Prop should i try?

    This is same situation I ran into with my repower. Boat wasn't running as it was sold as handymans special. If the boat manufacturer sold that boat with the 5.7 300 hp see what prop they would put on it. Sea Ray published that in their parts book. I started out with the existing prop (19"...
  18. Scott06

    Need Help & Advice on a Purchase....

  19. Scott06

    Need Help & Advice on a Purchase....

    this . They are both 5.0 in relatively big boats. I think my good friend has the same crownline very nice boat But he has the 300 hp 350 mag and I think it is under powered. not trying to dissuade u as i commend having a price range just be realistic about it. We have a 21 ft with a 5.0 which is...
  20. Scott06

    Alpha 1 Gen 1 Upper Unit Hex Bolt Connecting Halves Broke Off

    put perfect seal/permatex #3 on the threads when you go back in keeps them from locking up. you wont blast a hole in the upper trying to weld- use a thick washer or nut weld on the inside of the nut or hole in washer to the bolt , weld the nut to the washer etc. you will be amazed how this...
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