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Re: Carb plumbing (HS4s)

To: Neil Cotty <neilc@tradesrv.com.au>
Subject: Re: Carb plumbing (HS4s)
From: ccrobins <ccrobins@ktc.com>
Date: Tue, 19 Jan 1999 06:13:57 -0600
OK Neil,

  I see in the Moss catalogue a "FUEL LINE, carb to carb.",  That's
another of those "how come" things.  It means the fuel feed has to go
from the firewall to the front carb and then from front to rear.  I
wonder what the rationale was for that.

  One could always cap the second pipe on the front carb and use the
earlier fuel lines & tee.

  CR

Neil Cotty wrote:
> 
> Charley,
> 
> >  Thanks, I didn't see the earlier and the question is: what does the
> >extra  fitting on the front bowl cover connect to?
> 
> You mean there is three fittings on the front float bowl right? There is two
> fittings on the rear float bowl?
> 
> The front float bowl:
> One is the input for the fuel line.
> 
> One is the outlet for the rear float bowl on the rear carb. This is the fuel
> supply line to the rear carb.
> 
> Last one is the overflow outlet, which connects via a steel pipe (with small
> rubber tube ends), like a bent half circle, that connects to the overflow on
> the rear carb. This steel pipe has an outlet near the rear carb that goes to
> the charcoal canister. If you don't have a chacoal canister, you might need
> to change the float bowl lids to the earlier type that didn't have this
> extra fitting, those carbs overflow via a copper pipe down the side of the
> carbs.
> 
> The carbs may also have the angled inlets built into the carb body, per the
> emmissions system I described in the previous Email.
> 
> Cheers,
> Neil.

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