Thread: Engine: 140 1986cc B20A: - Rough Idle solution?
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Old Aug 3rd, 2021, 22:52   #38
bdhurley
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Last Online: Nov 25th, 2022 13:26
Join Date: Aug 2016
Location: Cork
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Quote:
Originally Posted by Burdekin View Post
The nozzle size I think is designed to be correct so I don’t think it should need to be changed.

I just can’t get my head around why taking the hose off and blocking it makes a big difference. Have you cleaned the cap and flame guard pot (pr whatever it’s called).

I’ve been through everything and it’s all clean as a whistle; the flame trap and the thing it’s attached to on the side of the block, the manifold nipple, the hoses, the filler cap.

I will try making a little friction fit orifice disk with a smaller hole over the weekend and see how it behaves. If there is no change it maybe something I have to live with. There is nothing worse than being stopped at a junction and seeing the bonnet shaking and steering wheel vibrating out of the dash... pulling out the choke to fast idle does hide it. Other than that, the car is mint.
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