Keith -
I think the deal is if they vent into the cold air box, and they are sealed
to the box like they were from the factory, you'll get positive air pressure
from the box pushing on the fuel chambers, causing the carbs to run rich
when you are driving fast. I can't say for certain as I don't have a cold
air box on my BN1.
Alan
'52 A90
'53 BN1
'64 BJ8
On Thu, Jul 2, 2009 at 9:27 AM, Keith Bailey <keithbailey5@bigpond.com>wrote:
> Hi All
> On my BN1 I have fitted 1 3/4 carbs with cold box. Question is the
> over flow pipe from carburetor bowl goes into cold box
> as shown in healey restoration book however I have been advised not
> to
> do this as it can effect balancing of carburetors
> I cannot under stand the logic behind this what are your comments.
> Regards Keith
> BT7
> BNI
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