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    5.0 stumbles at take off

    Hello all, I've been wrestling my 03' Tahoe 202 5.0 with a TBV ign system, stumbling at take off. Once it gets past the hesitation it runs fine. So I rebuilt the carb, "mercarb 2BBL" and no change. I then put it in base timing and checked, it is set to 10 deg and advances to about 14 but never...
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    5.0 Mercruiser stubmles @ low RMP

    Hello all, We recently purchased an 03 Tahoe 202 with a 5.0 liter Mercruiser MCM engine and the boats runs great except for slow speed. Once you crowd the throttle a bit it acts like it is stumbling and does this for about 4-5 seconds then all of a sudden it cathes up, surges forward and is...
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