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  1. ChrisMarx

    240 Sundeck Thread - Questions and Answers

    A 383 Stroker has an increased CI due to a longer crank stroke of a 400 block crank. This has a compression Ratio: 9.0:1 engine. What is sold at the dock is a non ethanol fuel in two grades. 89 / 93 in most areas. So, yes it's already considered mid / premium fuel. Plus being ethanol free is a...
  2. ChrisMarx

    240 Sundeck Thread - Questions and Answers

    A 14.25 x 17P 4 blade is very impressive. Hole shot is like 3 seconds and you continue to pull hard up to 35mph and get there fast. Trim it out and you can hit 45mph with this prop even in light chop and still under 4800rpm. I might just have to leave this one on it all the time. I'd like to see...
  3. ChrisMarx

    240 Sundeck Thread - Questions and Answers

    That engine / drive combo is worth about $6k easy as a used pull. Of course it's going to use more fuel! MPI and roller cam would be preferred on this setup for power and speed. I'd expect 5gph range if you are easy on it and up to 8gph depending on the prop. The 5.0 / Alpha can get 3.8gph. The...
  4. ChrisMarx

    240 Sundeck Thread - Questions and Answers

    Congrats! I've only had my 99 for one year. I get a lot of compliments. These boats have so much room and very well made. Smooth and quiet. Perfect for my family. These boats are rated for inland ocean shores. Like others have said, 2ft swells are ok, but anything more than that and it's a rough...
  5. ChrisMarx

    240 Sundeck Thread - Questions and Answers

    First prop I tried from a recommendation, Apollo 3 15.5 x 17P stainless steel. 45mph, but hit about 4900 RPM really quick. Hole shot was great, but prop caused vibrations I didn't like. Next prop: Apollo 3 14 x 19P. This one is close to the Merc Vengence but has more cupping which makes it load...
  6. ChrisMarx

    270 Sundeck Thread - Questions & Answers

    Depends on what you paid for it! Mold and Mildew: Star Brite Mold and mildew remover. Sold at WalMart or Amazon. This magic stuff removed almost ALL the stains on my 99 SD240 with little effort. Also they have a hull cleaner. Magic stuff again! Spray, scrub a little, rinse and wipe. Mold /...
  7. ChrisMarx

    240 Sundeck Thread - Questions and Answers

    I'm looking into this also. Mine is a 99 with 5.0 EFI Alpha One. The Merc prop selector wasn't much help. Turning Point has a more detailed selector, plus with an option to have them review it. You can also exchange props for $35.00. I waiting to see what they say. The selector said a 14.5 x 15...
  8. ChrisMarx

    240 Sundeck Thread - Questions and Answers

    I made replicas. https://photos.app.goo.gl/Npc3ztNQa4ANMkTv5 [/IMG]
  9. ChrisMarx

    1999 SD240 5.0 EFI Alpha One

    1999 SD240 5.0 EFI Alpha One
  10. ChrisMarx

    240 Sundeck Thread - Questions and Answers

    YES! These are discontinued and you will not find a new one, BUT you can have one made like I did. I have the 99 SD240. The shop still has my mold and you could just call up and order it! Figure $200. https://www.airplaneplastics.com/ Phone: 937-669-2677
  11. ChrisMarx

    Factory full of Sea Ray Parts

    Looking for Sea Ray part number #934497. It's a small windscreen that was an option on the 1999 SunDeck 240SD.
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