Joe,
I would prefer the rigidity of the one piece (Cannon) unit.
Ed Hamilton
----- Original Message -----
From: Joe Curry <spitlist@gte.net>
To: Spitfire List <spitfires@autox.team.net>;
<spitfire-enthusiast@egroups.com>
Sent: Saturday, July 31, 1999 5:47 PM
Subject: Dual Weber DCOE's
>
> After recently acquiring a pair of 40DCOE2 carbs with SAH intake
> manifold, I am left with a dilemma. Because I already had a Cannon
> Intake manifold, I am torn between which of the two to use. I am
> leaning toward the Cannon but there are positives for both.
>
> -The Cannon is one cast unit where the SAH is two individual units.
> -The Cannon has the linkage attached to the manifold, the SAH has an
> independent linkage that bolts to the front carb.
> -The SAH is not as wide as the Cannon (thickness between the head and
> the carbs. This allows for better clearance for stacks and/or air
> cleaners. But being closer to the head, the manifold has more severe
> bends which gives cause for concern about unequal fuel distribution.
> -The SAH has a vacuum port on each of the tubes whereas the Cannon has
> none.
> -The Cannon has two tapped holes in the casting that joins the two
> parts. I think this is to mount a support bracket because with the
> carbs attached, there is quite a bit of weight on the head bolts and the
> manifold. Being 2 separate pieces, the SAH has none.
>
> So, all you Weber experts out there please voice your opinion as to
> which I ought to use. The other one will go to the highest bidder!
>
> Joe
>
> --
> "If you can't excel with talent, triumph with effort."
> -- Dave Weinbaum in National Enquirer
>
>
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