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Thread: Choosing between rocks

  1. #271
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    It is
    Time forSweet Cheekz to find a new home

  2. #272
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    Quote Originally Posted by Conquistador_del_mar View Post
    Well, I broke down today and agreed to buy an engine from Daniel Derebery at Derebery Marine next door to my business. He called me about an engine that he thought I would want for the Magnum restoration, and he was right. It is a complete 632CID stroked engine with 10:1 compression making over 700ft/lb of torque that likes to run around 5400RPM making right at 800HP on the dyno. It is complete from the 1050 Dominator carburetor to the oversize pan and includes a DUI distributor, forged crank, JE forged pistons, roller cam, Merlin block, big heads and valve train with girdles, and customized aluminum valve covers with whatever graphics I want to put on them. It even has an alternator and circulating pump - pretty much ready to drop in and fire. When he brings it over tomorrow, I will post a couple pictures of the beast. My fire has been rekindled now. I just hope it is not too powerful - lol. Bill
    When I asked Daniel Derebery if the engine I bought was almost the same one offered here at Jeg's, he told me that mine had better internal components and more tolerance built in. He said they have to rebuild some of these World engines since they do not hold up well in the marine use. He also mentioned that the stud girdles they install really start to come into play. Thought I would pass this along. Bill

    http://www.jegs.com/i/World-Products...oductId=758062

    1971 Donzi 18' 2+3
    1985 Eliminator 23' Daytona Offshore - Kevlar hull
    1988 23' Donzi CC F-23 with 250HP EFI Mercury OB
    1989 28' Team Warlock Offshore - single 548CID/600HP
    1990 23' Warlock Offshore - single 525HP
    Bill from Denison, TX - Lake Texoma

  3. #273
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    I took these pictures this afternoon of the 632CID stroker engine making 800HP that I plan to use in the Magnum. I was able to get the CMI exhaust system from Daniel Derebery and some CMI tailpipes from another friend that I do not show here. I Imroned the valve covers in the dark blue that I plan to shoot on the Magnum hull. Bill

    1971 Donzi 18' 2+3
    1985 Eliminator 23' Daytona Offshore - Kevlar hull
    1988 23' Donzi CC F-23 with 250HP EFI Mercury OB
    1989 28' Team Warlock Offshore - single 548CID/600HP
    1990 23' Warlock Offshore - single 525HP
    Bill from Denison, TX - Lake Texoma

  4. #274
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    Bill, How much reconfigurement of the engine bay will be in store with that bad boy in there?......I suspect, keel stringer would take the biggest bit.
    1983 Cigarette 35' Mistress
    1976 Magnum 27' Sport
    1986 Donzi 18' Classic
    NEVER FORGET 9/11

  5. #275
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    Quote Originally Posted by scippy View Post
    Bill, How much reconfigurement of the engine bay will be in store with that bad boy in there?......I suspect, keel stringer would take the biggest bit.

    Yep, the center keel stringer will probably be down to about 4-5" to clear the large oil pan, but I plan to install some heavy duty engine mount stringers and lay in some cross bracing members between the stringers like Cigarette does in their boats. I will also be using a racing engine mount like this one which will tie the stringers together. Bill

    http://www.donzi.net/forums/showthread.php?t=59084

    1971 Donzi 18' 2+3
    1985 Eliminator 23' Daytona Offshore - Kevlar hull
    1988 23' Donzi CC F-23 with 250HP EFI Mercury OB
    1989 28' Team Warlock Offshore - single 548CID/600HP
    1990 23' Warlock Offshore - single 525HP
    Bill from Denison, TX - Lake Texoma

  6. #276
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    Bill,

    Nice to see you back on the mag project. Eng looks great. If you know of any stainless marine exaust around I'm looking for 2 sets.

    Marshall

  7. #277
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    Quote Originally Posted by MDonziM View Post
    Bill,

    Nice to see you back on the mag project. Eng looks great. If you know of any stainless marine exaust around I'm looking for 2 sets.

    Marshall
    I will check with Derebery Marine next door to my business since they deal in high performance equipment. They have literally tons of stuff in their overhead loft storage. BBC - right? Bill

    1971 Donzi 18' 2+3
    1985 Eliminator 23' Daytona Offshore - Kevlar hull
    1988 23' Donzi CC F-23 with 250HP EFI Mercury OB
    1989 28' Team Warlock Offshore - single 548CID/600HP
    1990 23' Warlock Offshore - single 525HP
    Bill from Denison, TX - Lake Texoma

  8. #278
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    Thanks Bill, yes bbc, I actually found 1set so I only need 1 more. I think I need to get custom risers from Stainless Marine so I'm just looking for the manifolds.

  9. #279
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    Quote Originally Posted by MDonziM View Post
    Thanks Bill, yes bbc, I actually found 1set so I only need 1 more. I think I need to get custom risers from Stainless Marine so I'm just looking for the manifolds.
    Marshall,
    I checked yesterday with Derebery and he did not have any SMs, but he did have 2 sets of IMCO Powerflows with long ss tube tailpipes that they just removed from a cat boat with 1075s being changed over to 1600HP engines. Daniel is supposed to get back with me on a price if you have any interest. Bill

    1971 Donzi 18' 2+3
    1985 Eliminator 23' Daytona Offshore - Kevlar hull
    1988 23' Donzi CC F-23 with 250HP EFI Mercury OB
    1989 28' Team Warlock Offshore - single 548CID/600HP
    1990 23' Warlock Offshore - single 525HP
    Bill from Denison, TX - Lake Texoma

  10. #280
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    Hey, thanks Bill, but I think I'm going to stick with the SM since 1set are on their way to me. I took the beast out today, its a real thrill. Real windy, 2-3 ft chop and it just ate it up. Its so solid feeling.

  11. #281
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    Quote Originally Posted by MDonziM View Post
    Hey, thanks Bill, but I think I'm going to stick with the SM since 1set are on their way to me. I took the beast out today, its a real thrill. Real windy, 2-3 ft chop and it just ate it up. Its so solid feeling.
    Sounds good - wish I got the chance to run one for a while. Today would have been great. I ended up getting the IMCO Powerflow exhaust systems today with the 85 degree risers - they included the switchable CMI Marine tips and long ss tubes as part of the deal. I will polish them up and see if I can sell them at some point - they are in great condition. Glad to hear you had a fun day boating. Bill

    1971 Donzi 18' 2+3
    1985 Eliminator 23' Daytona Offshore - Kevlar hull
    1988 23' Donzi CC F-23 with 250HP EFI Mercury OB
    1989 28' Team Warlock Offshore - single 548CID/600HP
    1990 23' Warlock Offshore - single 525HP
    Bill from Denison, TX - Lake Texoma

  12. #282
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    Quote Originally Posted by Conquistador_del_mar View Post
    Sounds good - wish I got the chance to run one for a while. Today would have been great. I ended up getting the IMCO Powerflow exhaust systems today with the 85 degree risers - they included the switchable CMI Marine tips and long ss tubes as part of the deal. I will polish them up and see if I can sell them at some point - they are in great condition. Glad to hear you had a fun day boating. Bill
    Let me know what you want for the cmi's. They are 4" I assume? I am going to need some. I guess I would just need to get actuators and swiches?

  13. #283
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    Quote Originally Posted by MDonziM View Post
    Let me know what you want for the cmi's. They are 4" I assume? I am going to need some. I guess I would just need to get actuators and swiches?
    Marshall,
    The CMI switchable silencers are the 4 1/2" CMI 13305. They fit the 4 1/2" OD diameter tailpipes. Here is a picture of one of them that I brought home. Bill

    1971 Donzi 18' 2+3
    1985 Eliminator 23' Daytona Offshore - Kevlar hull
    1988 23' Donzi CC F-23 with 250HP EFI Mercury OB
    1989 28' Team Warlock Offshore - single 548CID/600HP
    1990 23' Warlock Offshore - single 525HP
    Bill from Denison, TX - Lake Texoma

  14. #284
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    Quote Originally Posted by Conquistador_del_mar View Post
    Marshall,
    The CMI switchable silencers are the 4 1/2" CMI 13305. They fit the 4 1/2" OD diameter tailpipes. Here is a picture of one of them that I brought home. Bill
    Hey Bill,
    Sorry for the delay in responding. I left the country for 2weeks on the 10th. I'm interested in the CMI's, I just have to nail down the rest of my exuast. I'm trying to keep the same exit location on the transom as original (above the rubrail) on the starfire so its touchy to get enough drop from the top of the riser for a wet exaust. I'm pretty sure I'm going to use 4" (inside dim I think)tips but not sure what the outside dim is. If I need 4 1/2 in sted the only difficulty is I need reverse angle flange tips... If you still have the CMI's in 1 week when I get back, I'll call you.
    Thanks - Marshall

  15. #285
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    Quote Originally Posted by MDonziM View Post
    Hey Bill,
    Sorry for the delay in responding. I left the country for 2weeks on the 10th. I'm interested in the CMI's, I just have to nail down the rest of my exuast. I'm trying to keep the same exit location on the transom as original (above the rubrail) on the starfire so its touchy to get enough drop from the top of the riser for a wet exaust. I'm pretty sure I'm going to use 4" (inside dim I think)tips but not sure what the outside dim is. If I need 4 1/2 in sted the only difficulty is I need reverse angle flange tips... If you still have the CMI's in 1 week when I get back, I'll call you.
    Thanks - Marshall
    Marshall,
    I will probably try to sell the two BBC exhaust systems as complete sets before breaking them up into component parts. They came off a 46' Nortech with twin 1075HP engines, but the owner is changing the power to twin 1600HPs with Stellings. These are the IMCO PowerFlow Plus systems made for big power and are the polished aluminum systems. I polished up one set and they look great - . The ss tailpipes are two slightly different lengths so they come out the transom the same length since BBCs are staggered heads - they are about 4' long tailpipes. I will probably have to advertise them in Offshore Only whenever I make up my mind about what I want to do with them, but I will keep you in mind for the CMIs. In this picture, the tailpipes are not bolted to the risers and I only slipped the CMIs on to the tailpipes. Bill

    1971 Donzi 18' 2+3
    1985 Eliminator 23' Daytona Offshore - Kevlar hull
    1988 23' Donzi CC F-23 with 250HP EFI Mercury OB
    1989 28' Team Warlock Offshore - single 548CID/600HP
    1990 23' Warlock Offshore - single 525HP
    Bill from Denison, TX - Lake Texoma

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