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  1. grewvin1

    Loud Engine sound

    5.7 Merc, drive ser. # 0B683659 run port eng. quiet, run starb. loud like no muffer? why? Also where can i find the spec's for this engine timing info.
  2. grewvin1

    Type of Out Drive?

    1987 Wellcraft Monte Carlo, twin 5.7 merc. need to know model of out drive, have been told Bravo. just before they came out with the Bravo 1. Also gear ratio 1:65-1 or 1:50-1 thinking of putting four blade 20" for cruise and lower rpm on plane, thoughts?
  3. grewvin1

    Type of distribtor 5.7L eng.

    Just bought 1987 Wellcraft Monte Carlo 5.7L engins. Want to know if they have the electronic ignition? or points.
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