Thank you so much Patrick for the subtitles this is just what i needed to help with my own 164.
You are welcome! Subtitles are automatic, I added them. I am very glad that they have benefited you.
Hi Patrick,
Do you know the hight measurement to set the jet correctly without using the special tools?
I have set it to 2.5mm from the carburettor body to the middle of the jet on my 1972 Volvo 144 (B20A)
Still not smooth at idle 700~800 rpms.
Google Translated this to Swedish
Känner du till höjdmätningen för att ställa in strålen korrekt utan att använda specialverktygen?
Jag har ställt in den på 2,5 mm från förgasarkroppen till mitten av strålen på min 1972 Volvo 144 (B20A)
Fortfarande inte jämn vid tomgång 700~800 rpm.
Hi, 2.5 mm is the setting of the main jet for the 1978-79 carburetor with an adjustable needle. You will then need to use an adjustable needle to fine tune the carburetor. This is the only way without special tools. Or use an adjustable main jet, then needle must be flush with piston face.
@@patricksgarage
Hi Patrick, Thank you for your reply. Yeah, unfortunately my needle and jet are both the fixed type.
I overhauled the carburettor and also replaced jet and needle and adjusted it as best I could with information I found youtube video for an Stag or Rover. That’s where I got the 2.5mm measurement from. I've fitter 123 electronic egnition, new coil, new engine mounts, new oil, filters, plugs. No vaccume leaks that I could find. The car drives great and the spark plugs are nice colour after 2,000km of driving. Only just shaking and lumpy idle at low rpms. I need to play with it some more.
I don’t think I want to pay they €105+shipping for the tools from Skandex. I like your videos.
Fuel jet height 2.7 mm (0.106 in) Basic-setting of jet. Carburettor set to give rich mixture. Position of jet is set exactly when setting CO-content. If the engine runs unevenly, then at idle it is always clearly visible.
And you are sure that the cylinders and valves are normal. And the ignition is adjusted.
2.5 mm (+0,2 or -0,2) is the setting of the main jet before adjusting the needle if the needle is adjustable. But different models do not have the same settings.
Or 2.7 mm (Volvo B20A) with subsequent adjustment with a pressing tool (100 €).
Good luck!
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