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Thread: New Aluminum Valve covers and intakes.....

  1. #1

    New Aluminum Valve covers and intakes.....

    I've been playing around for the last year or so with patternmaking and aluminum casting. I was curious if any of you Straight 8 enthusiasts would be interested in an aluminum valve cover or side cover(traditional finned type) for these engines(320's and 248/263's) as well as a few intake manifolds(multi-carb of course). I am making some for the Chevy 6 engines, and thought there might be some need or desire for that kind of product for these engines also. Any input is appreciated as well as ideas for carb quantities and type for intake design. Thanks....
    Last edited by CNC-Dude; 10-23-2011 at 08:33 PM.
    There's no such thing as too much cam....only not enough engine!

  2. #2
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    count me in 320- 4bbl

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    Heck yeah I'm interested.

  4. #4
    Quote Originally Posted by 39CENT View Post
    count me in 320- 4bbl
    Thanks for the input 39CENT, do you think an intake needs to be heated with water or exhaust, or is it really necessary for what most of you guys will be using them for.
    There's no such thing as too much cam....only not enough engine!

  5. #5
    For the valve covers, would any of you think a place to install a PCV valve would be of any benefit since the side covers will no include a place for a draft tube. The valve covers will also have a push-in breather cap for an oil fill. Thanks
    There's no such thing as too much cam....only not enough engine!

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    I don't think a pcv valve is necessary, I just think it would look awkward. It would be cool if you machined a spot for a breather on the side cover.

    Something like this. http://www.mooneyesusa.com/shop/prod...oducts_id=1868
    Last edited by detroyt; 10-24-2011 at 05:36 PM.

  7. #7
    Thats a neat idea.
    There's no such thing as too much cam....only not enough engine!

  8. #8
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    Quote Originally Posted by CNC-Dude View Post
    Thanks for the input 39CENT, do you think an intake needs to be heated with water or exhaust, or is it really necessary for what most of you guys will be using them for.
    Well, I think that it would be good to have it heated. Most straight 8,s would be used for the street. A couple of copper tubes from the exh to the carb box will work, [also with water]. It takes serious work to build a racer and until a good head is available the only practical way to really build one is with a blower. A 4 bbl will cover most all power needs, my opinion is multiple carbs are mostlly for looks. A good manifold with little longer runners would be smooth and powerful runner. [something like the Chrysler slant 6] Just my cents worth.
    Last edited by 39CENT; 10-25-2011 at 12:46 AM.

  9. #9
    That is what I had in mind for an intake, longer and smoother turning runners. I was thinking more along the lines of water heated instead of exhaust heated. Anyone have a 320 intake I can use to get some port spacing and general CMM dimensioning from that is in the southern part of the US. Any thoughts from the 248/263 guys as to valve covers and intake ideas for those engines. Thanks
    Last edited by CNC-Dude; 10-25-2011 at 09:13 AM.
    There's no such thing as too much cam....only not enough engine!

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    Aluminum intake manifold for 263/248. Improve on the 40/41 Buick compound carb set up. Eleminate the square corners on each end of the manifold. Heat it with water - possibly slaved into the car's interior heater lines upstream of the heater on/off valve.

    Finned valve cover with BUICK, or Buick Eight, machined on top.

    Finned side plate. Set up a port on the finned side plate that can be connected to a PCV somewhere between it and the intake manifold, or carb adapter plate downstream of the throttle blades.

    Make a ported cover for the engine breather (on the driver's side of the crankcase) which can be connected to filtered air at the intake air cleaner.

    Similar items can be made for the 320.

    I might even go for a single 4 barrel carb manifold for the 263, if it's water heated, and suitable exhaust manifolding is incorporated into the system.
    Last edited by JR9162; 10-25-2011 at 05:46 PM.
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