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Thread: 87 Mgm Cruise

  1. #1

    Default 87 Mgm Cruise

    I donít have a pic but I can get one later. Letís see if I can explain this in a coherent manner lol. So there is a 3 way vacuum tee on the firewall connected to my cruise control servo. One port goes to the unit itself, one goes to the vacuum tree on the firewall but the third port is capped off. Iíve seen pics of other peoples boxes and it goes somewhere but where?

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  2. #2
    I'm an air-conditioned gypsy gadget73's Avatar
    Join Date
    Jan 2005


    It goes to the smog pump. If you have one, look right where the fat hose connects. You'll see two other smaller connections. The one aiming straight up is the outlet, the one on the side will provide some vacuum. Its used as a secondary source of vacuum when the engine is under high load in order to keep adding throttle.

    I haven't had that connected on mine in forever and the cruise works perfectly fine. I don't use it to run uphill in the mountains though.

    86 Lincoln Town Car (Galactica).
    5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

    91 Lincoln Mark VII LSC SE, triple black (Timewarp) - poly front bushings, KYB struts and shocks, Holley SystemMax1 lower intake, SilverFox AOD valve body,

    1984 Lincoln Continental TurboDiesel - rolls coal

    Quote Originally Posted by phayzer5 View Post
    I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

  3. #3


    Ok thatís what I was told but wanted to verify that. I do have a smog pump but itís not connected so I donít have the diverter valves. I was thinking about reinstalling them to make it like factory though I know it doesnít affect anything. Eventually itíll get a ground up restoration, maybe Iíll do it then if I do.

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