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    Thunderbolt IV 5.7L V8 Stalls when jumping to full throttle

    1991 Larson 20ft ski/fish SEI with a Mercruiser MCM 5.7L V8/350 Thunderbolt IV /Alpha one. Stalls when jumping into full throttle and does not start back up right away. Example, yesterday I tried to pull a skier out of the water, went from idle quickly up to full throttle and she stalled. I...
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    Mercruiser MCM 5.7L V8/350 Thunderbolt IV Killing Ignition Coils!!!!

    Ok this boat is driving me crazy!!!!! 1991 Larson 20ft ski/fish SEI with a Mercruiser MCM 5.7L V8/350 Thunderbolt IV /Alpha one. 2 months ago gave it a tuneup (oil,filter, gas filter, plugs, wires, rotor).... Tested it on the lake, ran great, Give it full throttle when pulling a skier...IT...
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    Mercruiser MCM 5.7L V8/350 Thunderbolt IV Will not start after Tune-Up

    Hello all, I have a 1993 20ft Larson 200SEI with a Mercruiser MCM 5.7L V8/350 Thunderbolt IV and Alpha I stern drive. I decided to do a tune-up; oil change/Filter, Gas filter, plugs, wires, rotor and cap. Before all this my boat started every shoot, after the tune-up it started once, idled for...
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