Fuel line size on a 1969 dodge 440 HP

[Stucat]

Was wondering the correct fuel line size and setup on a 69 440 HP? 5/16 or 3/8". Did the 70 HP have the 3/8"? Would the 3/8" be better? Thanks

 

[69 Sleeper Bee]

5/16" 440's
3/8'' Hemi's & I think 6 pack 440's but not certain.

 

[RJRENTON]

Was wondering the correct fuel line size and setup on a 69 440 HP? 5/16 or 3/8". Did the 70 HP have the 3/8"? Would the 3/8" be better? Thanks

IMO.....Original installation was 5/16", U code engine, no vapor separator, The six barrel engine, V code, would be 3/8" with fuel vapor separator and a separate 1/4" vapor return line back to the tank. Just my opinion......
BOB RENTON

 

[Runner 68]

Unless you're going for a concourse correct 3/8s is better all the way around.

 

[69bfan]

Starting in '68, the 440 High Performance Engines and Hemis were factory equipped with 3/8 inch inlet line with the 1/4 inch return line and the fuel vapor separator.

Unless it is an outright modified performance engine, a 5/16 inch fuel line works fine. The factory A990 Hemi race engines and the RO/WO engines ran with just a 5/16 inch fuel line from the factory.

 

[R/T Boy 67]

440 B bodies did not get a 3/8" fuel line until 1970, regardless of carburation.

 

[R/T Boy 67]

One more note. 68 and 69 440 cars got 3/8" pickup tubes but 5/16" fuel lines.