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  1. #11
    Join Date
    Mar 2002
    Lk Michigan, Lk Monroe
    Well in the long run I'd like to see at least 650 ponyies, something that'll push me into the high 80's. Nielson Marine told me it was best to start from scratch due to the main, cast crank, yadda yadda. It would be nice to be able to save some parts, and some bucks as well.

  2. #12
    pb is offline
    Charter Member Charter Member pb's Avatar
    My Boats:
    1997 Sunsation Aggressor, 2002 Regal 3060 Commodore
    Join Date
    Feb 2001
    Lemont, IL
    I am no engine builder, however, I just went down that road. Nielson is correct. For the kind of HP you are looking for, sell the 7.4 and put the money towards a new engine that fits your plan. "Saving money" and "engine building" do not go hand in hand if you know what I mean.

    Good Luck

  3. #13
    My Boats:
    1997 23' WPM Cat!!
    Join Date
    Feb 2002
    LaPorte IN.

    Have you pulled the pan off of your motor yet? I was pleasantly surprised to find that my 1990 7.4 L had 4-bolt mains. It still had the cast crank, 3/8" bolt rods, and cast pistons. The block is the only item I am using from my stock engine. It has been an excellent foundation for my 496" which makes in excess of 700 HP @6500 rpm and pushes my Baja 210 95.8 MPH on radar. I will admit the new Merlin and Dart blocks are sweet, but the Chevy 454 block is pretty capable and you already have it. Good luck!

  4. #14
    Platinum Member Platinum Member KAAMA's Avatar
    My Boats:
    A boat?....What boat??? How about a galvarnized warsh tub wit a toranady strapped own da rear!
    Join Date
    Oct 2000
    Western Michigan
    Game, if you're that serious about having an engine that makes 650+ HP....I have two 540" engines that make 700HP each @5750rpm and 704 ft# of torque @4800rpm. They only have 50 hours on them. If you're interested, give me a call and I'll give you the scoop on what components they have, etc. I have the dyno sheets to boot. 616-291-7932 Mark

  5. #15
    Registered User BAJA WILL's Avatar
    My Boats:
    Don't even mention the word boat
    Join Date
    Feb 2001
    Tampa, Indian Shores Beach
    Tyler Crocket,

  6. #16
    Charter Member #94 Charter Member Gordo's Avatar
    My Boats:
    1999 Active Thunder 25' Factory 1 Race Edition
    Join Date
    Oct 2000
    New Port Richey, FL

    Echo echo echo

    I realize they are across the state from you, and I admit I am not familiar with some of the other names suggested to you, but I have to repeat the Tyler Crocket name. Tyler has built a number of winning race motors that produced some amazing horsepower with exceptional dependability.
    Some of the names Tyler builds for and maintains;
    One Vision Racing
    Grumpy Old Men
    B calss Challenger, (can't remember name)
    Team Formula
    and lots more that I'm not supposed to tell about.
    Not only are they reasonably priced, but when we raced, Tyler was there for support.

  7. #17
    Platinum Member Platinum Member
    My Boats:
    Velocity VR1
    Join Date
    Feb 2002


    Just a little more piling on about Tyler Crockett. I live in Battle Creek and it's been worth the drive across state to have him build my engines. He did two small blocks - the second was a 383 stroker, and my current 454. The 454 started out as a Gen VI 7.4L which only reused the 4-bolt block and accessories. Same upgrade as you're considering. He sends the reciprocating assembly to Diamond Racing for balancing, otherwise his shop does all the rest. With the first two engines, he even let me do a fair amount of the rigging and rerigging work myself. The last project I just dropped the boat off and picked it up when everything was all done.

    I love the peace of mind that comes from having the engine dynoed. I know it works, the carb is jetted for max performance, the timing is set for use with the octane gas I will be using, and I get computer printouts of the engine's horsepower and torque curves.

  8. #18
    Call Wolfies in Baroda MI, he will build you some big power. He worked for John Lingenfelter for 6 years and is very reasonable.


    Last edited by joeyoffshore; 03-23-2002 at 06:26 PM.

  9. #19
    Registered Zoomnfun's Avatar
    My Boats:
    Boats, Bikes, Cars
    Join Date
    Nov 2000
    Saint Charles, IL USA
    Gordo, the B class challenger boat from Tyler's shop is the Tanglewood Marine boat owned by Joey Turek. He speaks very highly of Tylers work.

    Wolfie's is a great shop also, knows his stuff. A bunch of the Chicago Offshore boats are over there right now being worked on.

    Good Luck, Dean

  10. #20
    Registered ViciousOne's Avatar
    My Boats:
    Vicious marine, 2000, Avenger 32 Cat
    Join Date
    Oct 2001
    North Channel, Lake St. Clair. MI.
    I would go with Tyler Crockett If I was not racing outboards he would be building me inboards!! That B class boat is called CRAZY RYTHEM (810)324-2720 I'm good friends with him I also do his glass and paint work ! Tell him sparky told you to call!!

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