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-   -   Fuel System: 140 Carb: Petrol mixture (https://www.volvoforums.org.uk/showthread.php?t=283291)

dashboardtrim Jun 23rd, 2018 10:25

Petrol mixture
 
What do I need to do to the fuel / or engine to run my 1972 144 on unleaded fuel please.

Clan Jun 23rd, 2018 13:28

Quote:

Originally Posted by dashboardtrim (Post 2417421)
What do I need to do to the fuel / or engine to run my 1972 144 on unleaded fuel please.

officially retard the ignition timing a few degrees and change the carb needle every 30000 miles .
however just use it ...you should be ok , unleaded seems a lot more tolerant than it was in the 1980's ! retarding the timing ruins the feel of the engine and any "economy" it might have … if you are up and down the motorway at 70 mph all day long the valve seats may wear but it will take a long time ...

amazondean Jun 26th, 2018 08:56

Just retard the ignition until the pinking stops. If it doesn't pink, it will be fine


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