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Thread: 400ex connecting rod

  1. #1
    Join Date
    Apr 2006
    Location
    albion,pa
    Posts
    76

    400ex connecting rod

    I got my motor apart putting it back to 397cc for Sport class next year. I want to change the connecting rod while everything is apart, but I'm not sure what to put in. I've heard about Hot Rods blowing up and trashing motors. I know that Corilla's are great but you can get an entire Hot Rod crank and rod for less than just the Corrila rod. OEM is way to expensive also, so my question is has anybody had any good or bad experiences with Hot Rods? Or are there different brands out there? Any input would be great.

  2. #2
    Join Date
    Oct 2007
    Location
    Haughton, LA
    Posts
    1,512
    The Corilla rod is probably the strongest. I have a hot rods stroker in mine and havnt had any problems. As long as it is done correctly, I dont see where you will have any problems with anything you decide to do. It is racing though and there is always that chance something can go wrong, but that just comes with the sport.

  3. #3
    Join Date
    Apr 2006
    Location
    albion,pa
    Posts
    76
    True, but even with racing having a rod break should not happen.
    I wish you could by an OEM rod sepperate, because I'd do that. I don't want to spend $350 on an entire crank though.

  4. #4
    Join Date
    Nov 2002
    Location
    Kokomo, IN
    Posts
    2,464
    I paid $175 for my Carrillo rod directly from Carrillo Industries. Call them and tell them what you need. They were really great to work with. Once you get the rod, most shops will install it onto your crank for about $75. As long as your lower bearing is in good shape, it can be reused. My engine was several years old when mine was done, but the bearing was still tight so it was reused. Absolutely no problems since the install.
    '00 416ex -- 11:1 Wiseco, stage 1 HotCams, LEXX slip-on w/ modded header, ASR +2 arms, 450r shocks, G-Force axle, FST style cooler, Trail Tech bars and clamp

    Temporarily retired from my extremely short (but successful) racing career.

    Maybe some IXCR in the near future.

    A government big enough to give you everything you want is strong enough to take everything you have. - Thomas Jefferson

    None are more hopelessly enslaved than those who falsely believe they are free.
    -- Johann Wolfgang von Goethe

  5. #5
    Join Date
    Apr 2006
    Location
    albion,pa
    Posts
    76
    How about you Hot Rods guys? How about some input.

  6. #6
    Join Date
    Oct 2007
    Location
    lancaster pa
    Posts
    348
    The hot rods is deffinantly stronger than the stock rod. The one thing i like about the hot rods is the bronze bushed small end. I dont like the way the factory dont do this. For the price i would get the hot rods set up because by the time you get an aftermarket rod and then pay to have the crank seperated your more than a drop in hot rods crank and rod. Ive seen them brand new on ebay for about 225-250.
    07 400ex
    04 450r
    14.8:1 cp piston
    web 208 cam
    DASA head and exhaust
    43mm FCR

  7. #7
    Join Date
    Apr 2006
    Location
    albion,pa
    Posts
    76
    Has anybody ever had a Hot Rod fail on them? I know a guy that builds motors and he had two of them break. He told me not to run them. That's why I was asking for some more input .

  8. #8
    Join Date
    Nov 2002
    Location
    Kokomo, IN
    Posts
    2,464
    To me, they don't look much more stout than the stock rod, but I don't know anything about how they're made (material, heat treating, etc.). I do know that my Carrillo rod looks like it would be almost impossible to bend or break. I wouldn't have any concerns about running a 13:1 piston with it, but I won't because I don't want to buy race fuel all the time.
    '00 416ex -- 11:1 Wiseco, stage 1 HotCams, LEXX slip-on w/ modded header, ASR +2 arms, 450r shocks, G-Force axle, FST style cooler, Trail Tech bars and clamp

    Temporarily retired from my extremely short (but successful) racing career.

    Maybe some IXCR in the near future.

    A government big enough to give you everything you want is strong enough to take everything you have. - Thomas Jefferson

    None are more hopelessly enslaved than those who falsely believe they are free.
    -- Johann Wolfgang von Goethe

  9. #9
    Join Date
    May 2005
    Location
    New Brunswick,Canada
    Posts
    783
    Well I have a stroker crank from hotrods and the rod is thicker then the stock one but I don't know about the none stroker ones. I never had any trouble with it.
    2002 Corvette Z06
    2001 Traxter XT 500

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