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problems accelerating & top end

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 77Blazer, Aug 21, 2001.

  1. 77Blazer

    77Blazer 1/2 ton status

    Aug 13, 2001
    Likes Received:
    Long beach CA
    first off i put on some engine mods recently dual exhaust (flowmaster) hedman torque step hedders, holley manifold, k&n airfilter and rebuilt my carb.

    When i mash the pedal it stalls out (this was b4 all the mods as well) and when i got up to 65 it feels like its not getting enough gas and it slows down to almost 40 b4 i can put my foot on the pedal and have it accelerate it again but I have Gobs & Gobs of accelration power from 20-65mph.

    350, sm465, NP205, 14 Bolt w/Detroit locker(465 ratio), Dana 60 465, 38.5 swampers
  2. Sounds like too lean a mixture/ jets too small.

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