Which manifold to use I have decided to go with 2 2's. I have two manifolds to choose from. An Offenhauser amd an Edelbrock. I noticed that the Edelbrock does not have holes between the intake ports. I think I like the Offy cus it is a little taller
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Re: Which manifold to use Which carbs are you using? 94’s sometimes hit each other, at least on the triple offy manifolds.
I have both triple intakes , but had Chandler Grove carbs, so I went with the Edelbrock. |
Re: Which manifold to use Depends on your choice of carburetors. Those heat riser holes were designed for use with Strombergs, and will destroy the power valve on a 94.
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Re: Which manifold to use 2 Attachment(s)
I am running the Offy with dual 94's and a Howard M6 cam. CharlieNY advised me to block both of the PV 's. Got a couple of his PV plugs and really like the way it all works.
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Re: Which manifold to use If your interested in performance there are several dyno comparisons.
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All early v8 blocks have two small holes on the manifold surface, leading from the center exhaust ports. They supply heat to the manifold for vaporization of the fuel/air mixture, as the manifold and carburetor can get icy cold in service. The manifolds have matching holes, accepting the exhaust, and allowing it to heat the manifold while crossing to the opposite bank. Early manifolds had that passage run all the way up top, showing a fourth hole, larger than the three stud holes. Later manifolds had only the stud holes, as the power valve in all 94 carbs is exposed and vulnerable to excess heat. (Some guys block the heat risers, with mixed results.) |
Re: Which manifold to use Using 97's and have the heat risers blocked with pennies.
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Re: Which manifold to use i used an Offenhauser 1076 on an otherwise stock 1950 239 motor and was quite pleased with how it pepped the motor up.... ran 49 jets and 3.5 power valves.
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Re: Which manifold to use This is a good time to plug JWL's book He covers most intakes ans carbs. However for street, low speed performance is more important.
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Re: Which manifold to use 1 Attachment(s)
I don't know what motor or carbs you are going to use but I am running a 59AB with the Offy Std Dual carb manifold and 97's. The Std Dual lets you use a generator or alt in the stock location. I also added 1" alum risers under the carbs to raise them up. That made installing the linkage and plumbing the carbs a lot easier. I cant say if the risers made any difference in performance but the engine starts instantly and runs strong and cool. Worked for me.
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Re: Which manifold to use 2 Attachment(s)
I'm using an Edelbrock but I don't know what model no. it is.
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Re: Which manifold to use if you want a nice trouble free running car leave it alone the flathead runs rich enought with out the help of more carbs
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Re: Which manifold to use 1 Attachment(s)
I like three!
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Re: Which manifold to use Lose the plastic fuel lines. They are not safe.
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Re: Which manifold to use i'm having a flathead built right now (my first) and am going with the edebrock slingshot 2x2. we'll see maybe by summer. . .
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Re: Which manifold to use Pete & B&S,
Those pictures are old. I did get rid of them. |
Re: Which manifold to use I hate to be a wet blanket, but for driveability, a small four barrel (390 Holley, WCFB, early Rochester or Stromberg) is a bit better than a dual carb setup. I only use them on cars with hoods, though.
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