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  1. #1

    Default Stupid question about new exhaust

    Just put a new exhaust on my car. No emmissions, carbureted. Plugged the o2 sensor holes. Should I plug the pipe that used to go to the smog pump or leave it open?

  2. #2

    Default

    Plug all open exhaust bits. As for the pipe to the smog pump you can remove everything that is no longer being used.
    You can get a different belt or a pulley kit.
    https://lmr.com/item/LRS-9486BL/79-9...ump-Eliminator
    https://www.stangnet.com/mustang-for...outing.896013/
    1978 Mercury Zephyr boxtop 5.0 EFI T5Z 8.8
    1999 Ford Contour 2.5 V6 5 speed
    2016 Ford Focus ST 2.0 Ecoboost 6 speed

  3. #3
    FEP Senior Member liv2roc's Avatar
    Join Date
    Jul 2009
    Location
    Cherryville n.c.
    Posts
    774

    Default

    I took my smog pump apart broke the impellers out of it now its just a idle pulley. did this 10 years ago still works fine. just make sure you get all pieces out and dont damage the internal bearings.

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