1970 Duster Fuel System Upgrade/Updates
Comeback 'Cuda Update: Fuel, Vent lines, and Gas Tank Installation - Mopar Connection Magazine | A comprehensive daily resource for Mopar enthusiast news, features and the latest Mopar techMopar Connection Magazine | A comprehensive daily resource for Mopar enthusiast news, features and the latest Mopar tech
The 383 and smaller drivetrains only needed the 5/16-inch fuel line from the tank to the fuel pump
On the 440 and 426 Hemi drive line a larger 3/8-inch fuel line was required
I also read that ALL 440 cars got 3/8 fuel lines starting in 1970
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