Fuel Line Clamp Details in New TIM&JG - NCRS Discussion Boards

Fuel Line Clamp Details in New TIM&JG

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  • Floyd B.
    Extremely Frequent Poster
    • November 1, 2002
    • 1046

    Fuel Line Clamp Details in New TIM&JG

    May I ask a favor of someone on the '69 TIM&JG team? I have checked several sources but I can't find details on the fuel line and vapor return line clamps used for the '69 model year (specifically Oct '68).

    From the AIM, I know these part numbers were used at both the fuel tank and engine ends of the lines:
    9770783 - vapor return
    3786276 - fuel supply

    From Rick Bizzoco's book, I know that the fuel supply line used an olive drab Universal Metal Products clamp with the "D" in a diamond logo.

    U-DiamondFuelLine-Green.jpg

    ...and that the vapor return lines used a red/orange clamp - I assume that these were also UMP's with the "D" in a diamond logo.
    U-DiamondVapor-Red.jpg

    What I don't know, are the exact size of these clamps. I obtained the pictured clamps at a swap meet. The fuel supply clamps () appear to be 5/8" and the vapor return lines appear to be 11/16". My question is, what does the new TIM&JG say about these clamps? The current TIM&JG only says:
    "Single fuel supply lines use four green spring clamps with rectangular ears, two each at the fuel pump and fuel tank. For dual-fuel-line cars, the fuel return hose at both the fuel filter and tank is secured with small tower clamps in 1968 and orange spring clips in 1969."
    Thanx,

    -Floyd-
    '69 Blue/Blue L36 Vert w/ 4-Spd
    '73 Blue/Blue L48 Coupe w/ 4-Spd
    '96 Red/Black LT-4 Convertible
    "Drive it like you stole it"
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