WWII carby, or twin twin stromberg.

[Eddie S]

G'day all, once again I would like to ask for your collective views on my on going project WINSTON. He is a series 3 LWB S/W with a 186 holden in him. He has extractors and a single barrel stromberg carby running to the original air cleaner set up. I have the opportunity to purchase a WW2 carby with manifold and a twin stromberg set up with manifold off a HR holden.
My questions are -
What are your thoughts on these carby options?
Would I gain more efficiciancy through increased throttle response, pulling power and economy?
Is th original air cleaner set up good enough for any of these carby set ups? Or would I need to change it, baring in mind it seems to work well with single stromberg set up.
Any views on this topic would be greatly appreciated. Thanks Eddie.

[Davehoos]

the air cleaner base hole is larger dia. base sat on top. air intake was slightly larger the HR-HK had an air cleaner that looked the same but held on with the wingnut.


In the car they tended to be more economical because you didn't push the throttle as hard.lots of jet sizes to choose from and power valves.

[bee utey]

Twin Strommies need to be the correct venturi and jet sizes or they won't run well. People often used to put stock singles on the twin manifold, totally ruining them. The WW2 is a better carby all round, you'll need to adapt the air cleaner hose to it though. Occasionally the top cover need to come off and be "massaged" with a hammer to get them to seal again, better than facing them flat as a bit of reverse curve would pull down tight with the screws. Mind you the screws do strip easily, many a WW2 ends up with some longer screws off a single, or a self tapper or two to hold the lid on.

[Eddie S]

Thanks for your replies, I'm looking into the ww2 stromi, will let you all know how it's going. Eddie

[Pickles2]

Twin Strommies need to be the correct venturi and jet sizes or they won't run well. People often used to put stock singles on the twin manifold, totally ruining them. The WW2 is a better carby all round, you'll need to adapt the air cleaner hose to it though. Occasionally the top cover need to come off and be "massaged" with a hammer to get them to seal again, better than facing them flat as a bit of reverse curve would pull down tight with the screws. Mind you the screws do strip easily, many a WW2 ends up with some longer screws off a single, or a self tapper or two to hold the lid on.
Couldn't agree more,..."twin strombergs"?....remember them well. Always giving problems, linkages, mixture, synchronisation (have I spelt it right). The later HR had the 186S with the twin barrel carb, rather than the twin strombergs of the earlier "X2" engine.
So, for sure, the WW2, but make sure it's jetted right for your use.
Pickles.