Re: [Healeys] HD6 carb caps

[Bob Haskell <rchaskell@earthlink.net>]

Simon,

I'm going by memory, can't find it in my books. SU carbs used two 
methods to vent the damper.  Either with a hole in the cap or with a 
drilling in the piston chamber (dashpot).  Must use one, but not both.

I did find the part numbers for the HD6 carbs fitted to Austin-Healeys:

Engine  Spec            Front Carb      Rear Carb       Cap
100-6   AUC 866         AUC 9040        AUC 9041        AUC 8102
3000    AUC 914         AUC 9060        AUC 9061        AUC 8102
        AUC 935         AUC 9068        AUC 9069        AUC 8103
        AUC 963         AUC 9074        AUC 9075        AUC 8103

I believe 8102 has a brass top and 8103 has a plastic top.

FWIW...

Cheers,

Bob Haskell
AHCA 3000 Mk I registrar
http://www.ciahc.org/registry_3000mk1.php

On 09/08/2012 06:17 AM, Simon Lachlan wrote:
> I have three HD6s and I've never been sure if their caps are original.
> Should they be drilled ie have  holes in them? One can see that they had
> holes, but that they've been plugged.
>
> Simon
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