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  1. M

    power steering pulley/serpentine belt

    I have a 1997 5.7 2bb. The power steering pulley is shot. Mercury has superceded this 4 1/2" plastic pulley with a metal 5 1/2" pulley and a longer serpentine belt in a kit for $$$$$$. Question: I went to my local NAPA and they had a plastic pulley only slightly larger than the original with the...
  2. M

    5.7 alpha with thunderbolt ignition will not run when throttle is reduced.

    My mechanic is having a hard time figuring this one out. Engine fires right up but when you attempt to reduce the throttle below 2000 rpm or so it dies. New fuel pump, plenty of fuel getting to the carb., carb is clean, float O.K., no crap in the water separator. Only thing I can think of is...
  3. M

    Draining water/sediment from fuel tank

    1997 5.7 mercruiser doesn't want to idle. It will run at high RPMs (above 2000), but dies when pulled back to idle. After this it is difficult to restart and will cough out white smoke when it does eventually start. Boat has been on a covered lift for past three years with little use (3-5 times...
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