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Old Apr 15th, 2024, 06:54   #1
riczito
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Last Online: Apr 30th, 2024 09:10
Join Date: Dec 2023
Location: Bernay
Default Setting up a Stromberg on ex-LPG car

Hi all,

My Amazon 121 came from Holland, and was a bi-fuel car, with an extra LPG system. I had the LPG tank, the pipe work and the electrics removed before I took delivery of the car, as it wasn't homologated for use here in France.

The car is a late 1968 model with a B20a 2 litre engine and a single Stromberg carb. It always starts cleanly from cold (less so from hot), and I never need to use the choke, which I'm told is an anomaly. Also, it drinks fuel at quite an alarming rate.

Recently I met some Volvo enthusiasts and they suggested that the needle and jets used on these LPG-equipped cars are different from regular cars, which might account for the fuel consumption, hot starting and chokeless cold start issues. They suggested I change the needle, the jets and set the carb up properly for petrol-only. Can anyone confirm this diagnosis, and if so, which needle and jets should I be looking into?

Many thanks,
Ric
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