Weber 34 ICH carbs - again!

[Exowner]

Just thought I'd pop this up again in the vain hope that it may have been missed first time around!

Does anyone have any jetting/general info on Weber 34 ICH carbs used with a bristol engine instead of the ususal Solex set-up?
Any info gratefully received.
G.

[COB4]

This Weber conversion was first offered to club members in the early 1980's
As a starting point the jets supplied are:-
Main Jet              140
Air Corrector        165
Emulsion              F3
Pump Jet              0.40
Pump Bleedback    0.60
Idle Jet                 0.57
Aux. Venturi          3.50
There are a few other alterations to do, throttle and choke arms, fuel pipe position etc.

[Exowner]

COB4, many Thanks for your helpful starting point reply. I'm not sure if I'm going to try them in the near future, but now that I have a starting point, I may!
G.

[COB4]

Around 40 sets of Weber kits were sold in the 80's and many more since. B

[Exowner]

Cob4, were these kits for ACs or just generally and who sold them?
Where did this info come from, or is it 'confidential'???

[COB4]

In reply to Exowner,

Nothing 'confidential' its just that this conversion was started 40 years ago.

As i remember Barrie Bird designed this Weber kit for the Bristol engine in the 80's and wrote a very interesting 3 page article describing the installation in April's 1981 ACtion  Mag.

Firstly offered by Barrie to club members at a cost of £108-00 (yes £108 for 3 carbs and parts ) and later by John Parker who used a Weber carburettor shop in St. Albans (now long gone).

I also understand Mike Robinson did/does this conversion.
Barry   

[Exowner]

useful info, many thanks

[AC Ace Bristol]

.
G...........     I have spare Copy of ACtion April 1981,  It's yours,  Please confirm your home address via email and I will post today.     POSTED ! Should be with you  Thursday
Cheers
Keith.