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CHAMP
05-10-2006, 04:26 PM
Shop manual says 4 to 5 P.S.I. for manual fuel pump. My electric pump is 6 P.S.I. Is that to much? Car is running good but spark plugs are a little black around edges and so is tailpipe, and i'm only getting 15 mpg. I've rebuilt the carb and have even went back thru it a couple times! Do you think i might need a fuel pressure regulater? Or perhaps i should put a manual fuel pump on it? Champ[8]

Roscomacaw
05-10-2006, 07:31 PM
Get an adjustable pressure regulator and set it at 3 or 4 lbs. 6 is too much![B)]

Miscreant at large.

1957 Transtar 1/2ton
1960 Larkvertible V8
1958 Provincial wagon
1953 Commander coupe
1957 President 2-dr
1955 President State
1951 Champion Biz cpe
1963 Daytona project FS

CHAMP
05-10-2006, 08:09 PM
Thank You Mr. Biggs! Champ:)