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ecotec spider series 3

  1. Ecotec in a Series 3.

    Spider - 105 & 115 Series (1966-1994)
    Hi, im new to the site, but ive been searching around and couldnt find a direct answer. I'm thinking about buying a 1984 Spider that needs an engine. I'd rather upgrade the motor rather than rebuilding the 150 hp motor. I know the new spider 159, is the same block as the gm ecotec 2.2. I...