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I upgraded my mercruiser 5.0L alpha (2BBL Thunderbolt 5
Hello. I upgraded my mercruiser 5.0L alpha (2BBL Thunderbolt 5 ignition 1998 - serial no: OL346230) by replacing the longblock to Quicksilver 5.7L Remanufactured longblock (part no 807449R50 - 1996 an… read more
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1988 mercruiser 302,v-8, 5.0. NO SPARK AT COIL. i have
1988 mercruiser 302,v-8, 5.0. NO SPARK AT COIL. i have already done these, replaced coil, ignition switch,ignition sensor, dist. cap and rotor. have tested MODULE and found 11.7 volts coming from red/… read more
Tan
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I have a 1999 Campion with 5.7 liter Mercruiser GM engine
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I have a 1989 Cajun with 5.0 , alpha one ,Thunderbolt Ignition.
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Thunderbolt 5 timing advance problem I have a 98 Mercruiser
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I have a Denso Model #(NNN) NNN-NNNN(2 plug ignition pack).
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Tan
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Runs a little rough at idle 1985 Merc engine is 4 cyl 2.97L
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I have a Mercruiser 350 Mag MPI with 325 hrs. Bravo 1. I lost
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1988 BAYLINER WITH 5.0 GM I/O. STARTS IMIDIATLY AND IDLES
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I have a 1995 Sea Ray with twin 454 big block GM engines. I ...
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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