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ne 1 ever hear of a 305 magnum or ryan engine exchange????

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by TIGHTWORK82 K5, Aug 28, 2002.

  1. TIGHTWORK82 K5

    TIGHTWORK82 K5 1/2 ton status

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    they have a 305 magnum????with a 5 yr 50,0000 mile warranty for 2600 installed? I never herd of that motor b4, lookin around the net i found a marine app. 305 magnum. any one have a clue on this engine?????? /forums/images/icons/confused.gif
     
  2. TIGHTWORK82 K5

    TIGHTWORK82 K5 1/2 ton status

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    well it turns out the engine is made by marshall out of nebraska. at stock aplication it has 220 hp. I am puting on a performer intake ,600 cfm carb, headman headers, 2 1/2 " duals with 50 series flows not sure on the cam it has but it is some sort of high performance cam. hope this will give me 250 or so on the h.p. gonna makem dyno it at the shop to get final results. hey i can always bolt on the n02 for some easy h.p. /forums/images/icons/grin.gif
     
  3. 84_Chevy_K10

    84_Chevy_K10 Banned

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    A stock 4 bbl 305 is 140 hp, not 220.
     

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