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Helpful hint..........

Discussion in 'The Garage' started by akbound, Mar 20, 2005.

  1. akbound

    akbound 1/2 ton status

    Apr 20, 2004
    Likes Received:
    San Antonio
    .........when trying to start and get the timing right on your newly rebuilt engine it REALLY helps to hook up the vacuum line from the brake booster.

    I was only reading 5 on my vacuum meter yesterday.

    I didn't mess with it at all today because I owed my 2-year old some dad time.

    Sitting here I had an epiphany and ran out to the truck with a flashlight and found the hose laying free at the back of the carb. Massive vacuum leak found!! First thing after work tomorrow I will hook it up and get it timed.:grin:
  2. Greg72

    Greg72 "Might As Well..." Staff Member Super Moderator

    Mar 5, 2001
    Likes Received:
    698 Days to BB2018

    Epiphany #2 -

    DON'T use fuel line for the vaccum line!!!! It will collapse over time and cause you to have very weak brakes. It's the kind of thing that will take you FOREVER to figure out. REAL Vaccuum Line is more rigid and won't collapse the way a fuel line will.......

    If you didn't put that hose on yourself, go check it....the previous owner may have made a "subsitution" that you won't like. I drove around with a collapsed vaccuum line for at least a year before a buddy of mine noticed it on my truck. It was a night and day difference in braking power.
  3. diesel4me

    diesel4me 1 ton status Premium Member

    Jul 24, 2003
    Likes Received:
    That goes for PVC valves too!

    Yup--use "power brake hose" or "air brake hose" on the booster!--or at least something with thick stiff walls that wont suck shut!...

    I've seen several motors die an early death when regular fuel line or cheap soft vacuum hose was used on the PVC valve,and it sucked shut,rendering the PCV valve useless--and the motor sludged up badly,and killed it long before its time..:crazy:

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