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Exaust pipes

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 85blazer350, May 29, 2002.

  1. 85blazer350

    85blazer350 Registered Member

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    My 85 blazer has 2 diferent exaust pipes with no cats. One is a glass pack and the other is a little shorter and a bit rounder.when i started it up with the old 305 it sounded pretty good.My question is could haveing 2 different pipes hurt mu new 350 or be bad for it at all.
    thanks
     
  2. muddysub

    muddysub 1 ton suburban status Staff Member Moderator GMOTM Winner

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    it might hurt it, because then each bank of cylinders has a diff. back press so one side is working harder that the other. i could be wrong though.
     
  3. BozoWise

    BozoWise 1/2 ton status

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    I agree you want the same or close to the same amount of back pressure on both sides. Now for how bad it will hurt the motor, I would say that performance would suffer, but the motor is not going to blow up or anything ;-)
     
  4. BranndonC

    BranndonC 3/4 ton status

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    what about an "h pipe" before the muffler?
    would this help?
    see pic below
    ---___-----
    |
    ----````-----
     
  5. 85blazer350

    85blazer350 Registered Member

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    Thanks fo the help but i think i will just go buy a 30 dollar glass pack and throw it on whell my exaust is off the truck
     

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