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Engine stumbles between 4- 6 k RPM's?

Discussion in 'The Garage' started by louied, Feb 20, 2005.

  1. louied

    louied Registered Member

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    Just feeling the 350 out and while in park reving the motor to 5 k it seems to stumbel. Where should i look...:confused:

    I have 87 k5 350 tbi. a msd box with a accell coil, mild cam, rebuilt heads. Bosh platnium plugs, accell hi temp preformance wires/

    Thanks fro the help..
     
  2. bad_bo_ti

    bad_bo_ti 1/2 ton status

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    check the cap and rotor, had the same problem with mine and when i tore the cap off you could see wear marks on the tabs hanging down from the cab and the rotor was rusted/burnt badly. replaced it and it seems fine now.
     
  3. ryoken

    ryoken Puppy Fabricator Premium Member GMOTM Winner

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    well, TBI's are not known for their high rpms... saw you had a cam in it... might be a stock chip issue... might also be a fuel pressure issue.. as Bad Bo ti said, make sure your dizzy stuff is good. cap, rotor, dizzy issues like to show up at higher rpms..

    i've also heard horrors stories about the bosch plugs...

    did you check for codes?
     

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