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  1. John Milner

    Offenhauser 4x2 Intake

    Has anyone ever ran one of these on a 348 or 409? I am thinking about trying one on my 409. If you are running this type of intake, what carbs are you running? Thanks
  2. John Milner

    Chipped Exhaust Guide

    They all look to have been knurled. Sounds like a trip to a machine shop is in order.
  3. John Milner

    Chipped Exhaust Guide

    I recently had a set of 409 heads shipped to me and one of the guides was chipped in shipping. I don't really feel comfortable running the guide as is. I also am unsure if the guides in 409 heads are similar to 454 big block heads in that the guides are pressed into an area that needs to be...
  4. John Milner

    409 stock rod strength

    Thanks for the recommendations and knowledge everyone. It sounds like the factory rods will do the job for me. I would probably go with some bbc rods if I were boring the engine out and buying new pistons. I just can’t justify it as nice as the engine looks internally. As of now it looks like...
  5. John Milner

    409 camshaft selection

    That sounds like it will do what I am looking for. Thanks for your help.
  6. John Milner

    409 stock rod strength

    Are the stock rods strong enough to live safely in a 409 engine that will make 400 horsepower or under? My stock rods are in good shape. I had intentions to have ARP bolts added and have the rods resized before I put the engine back together. I won't be drag racing the engine or spinning it...
  7. John Milner

    409 camshaft selection

    I'm building a 409 for my 1940 Chevrolet Coupe. What camshaft would work good in my build? I will be running the following: '64 409 truck block, standard bore, I plan to add the 425 horse pistons so I would estimate that my compression should be about 10:1. 333 heads with 2.19 intake valves...
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