Larry,
I don't think it will make any difference since the opening below is larger
anyway. Maybe it was designed for a larger carb.
Are the intake ports the same size? That would definitely make a difference
and would be a very interesting discovery!
Carl Floyd
. ----- Original Message -----
From: "Larry list account" <list@marketvalue.net>
To: <mgb-v8@autox.team.net>
Sent: Tuesday, July 06, 2004 1:05 AM
Subject: GM 4 bbl intakes
> I have a couple of GM stock 4bbl intake manifolds that fit the 215/3.5
> aluminum V8.
>
> Each has four intake holes on the top; but one of them has smaller primary
> holes and smaller secondary holes than the other. When I compare the
> intakes with the venturi holes on a Carter 400 and a Edelbrock 500 carb;
> even the intake manifold with the smaller intake holes has larger holes
than
> the carb venturi holes. (are you still with me here? Even if I got all
that
> right you might need to read it twice!)
>
> Are there any advantages of the manifold with the larger holes; or perhaps
> the manifold with the smaller holes?
>
> Does anyone know why there is a difference? What they may have come off
of?
>
> Thanks in advance,
>
> Larry Hoy
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