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TPI throttle return spring - any ideas?

This is a discussion on TPI throttle return spring - any ideas? within the General Help forums, part of the LSx Technical Help Section category; I just bought a 78 Jeep CJ-7 with a TPI-equipped Chevy 350. It's got a stock GM throttle body and ...

  1. #1
    Junior Member
    Join Date
    Nov 2007

    TPI throttle return spring - any ideas?

    I just bought a 78 Jeep CJ-7 with a TPI-equipped Chevy 350. It's got a stock GM throttle body and a Lokar throttle cable. The gas pedal is "all or nothing," very stiff when you first step on it. The Jeep is lifted, a stick, and has Detroit Lockers, so it gets a little hairy when I let off the gas going around a curve, only to accidentally hit the pedal too hard as I try to press down on the gas in order to accelerate out of the curve.

    I checked the pedal, the cable, etc...and nothing is damaged, missing, binding up, or anything else. Is there anything I can do to remedy this? Different springs available? I've never worked on a TPI motor, but I can't think of anything else it could be except the return spring.

    Thanks for helping a n00b. LOL my first "real" car was an 83 Z28 with the amazing CrossFire Injection and a rockin' 305.

  2. #2
    Senior Member bigrondownhiller's Avatar
    Join Date
    Feb 2006
    Westchester, NY

    1996 Camaro Z28 vert

    check to make sure that there are no sharp turns in the throttle cable. it sounds like it might be sticking.

  3. #3
    Member Since 1998 Mecinoid's Avatar
    Join Date
    May 2007
    Livermore, Ca.
    '98,'00 Bird '03, 14 Vets

    I had a gummed up throttle body that caused a sticky condition. I cleaned it out with gumout and it helped. But, it was scared from the throttle blade. I took a little 1200 sandpaper to the throttle bore and blade edge. No more sticking.... Just another way to look at it. ;-) Of course, it could also be a kinked thottle cable .... trace that out and see if it's pinched or kinked somewhere. Maybe shoot some WD40 inside the cable housing.....

    And shouldn't that be Oh-Hi-Yo ...... Lol !!!

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