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Forum: Do It Yourself, Boating on a Budget

05-24-2021, 07:31 AM

Replies: 10

Merc 454 black plugs

Views: 2,242

Posted By [email protected]

Hello, Let me timeline this: Day 1: First...

Hello,
Let me timeline this:
Day 1: First start of the season on trailer in my driveway. Idled fine, no smoke, ran cool, good throttle, ran it for 30 minutes. Before starting it I replaced the...

Forum: Do It Yourself, Boating on a Budget

05-23-2021, 05:54 PM

Replies: 10

Merc 454 black plugs

Views: 2,242

Posted By [email protected]

Merc 454 black plugs

I have a 96; 454 Mag with a 440 HP build. Edelbrock intake and new Holley quickfuel 750cfm carb. Distributer cap and rotor on thunderbold IV ignition.

Back story - on land ran great, no smoke,...

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