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Forum: General Q & A

06-11-2020, 09:53 AM

Replies: 21

Merc 454 Mag Engine Miss

Views: 3,203

Posted By JonnyD757

It is a 2 wire. Meaning two wires coming out of...

It is a 2 wire. Meaning two wires coming out of the distributor

Forum: General Q & A

06-11-2020, 09:38 AM

Replies: 21

Merc 454 Mag Engine Miss

Views: 3,203

Posted By JonnyD757

Been there done that. Fun times.

Been there done that. Fun times.

Forum: General Q & A

06-11-2020, 09:19 AM

Replies: 21

Merc 454 Mag Engine Miss

Views: 3,203

Posted By JonnyD757

Located in Souderton, PA. About 45 minutes NW of...

Located in Souderton, PA. About 45 minutes NW of Philly

Forum: General Q & A

06-11-2020, 09:17 AM

Replies: 21

Merc 454 Mag Engine Miss

Views: 3,203

Posted By JonnyD757

MSD Blaster

MSD Blaster

Forum: General Q & A

06-11-2020, 09:10 AM

Replies: 21

Merc 454 Mag Engine Miss

Views: 3,203

Posted By JonnyD757

The new carb didn't help. Tried to get it up on...

The new carb didn't help. Tried to get it up on plan and 1500 rpms it missed. It should still run with retarded timing just no power correct?

Forum: General Q & A

06-11-2020, 08:55 AM

Replies: 21

Merc 454 Mag Engine Miss

Views: 3,203

Posted By JonnyD757

So a bad module may let the boat idle but not...

So a bad module may let the boat idle but not rev? I've seen a lot about replacing the TB IV with a DUI. They say it gets rid of all the modules, coil, and wiring. Before i drop more $$ i want to...

Forum: General Q & A

06-11-2020, 08:32 AM

Replies: 21

Merc 454 Mag Engine Miss

Views: 3,203

Posted By JonnyD757

It had an Edelbrock. I put on a Holley 750 off...

It had an Edelbrock. I put on a Holley 750 off my 57 Chevy that i know is a good carb. Unfortunately i don't have a lot of buddies that are into boats, mostly muscle cars. I checked all the...

Forum: General Q & A

06-11-2020, 07:55 AM

Replies: 21

Merc 454 Mag Engine Miss

Views: 3,203

Posted By JonnyD757

Merc 454 Mag Engine Miss

I have a 454 Mag in my 22' Velocity. I am a new owner of the boat. First few times out the boat ran flawlessly. 73 MPH at 5200 RPM. The last few times not so much. I notices a miss when cruising...

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