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Forum: General Q & A

06-11-2012, 04:34 PM

Replies: 36

Remove Mercruiser catalyst

Views: 44,086

Posted By Engineer

Ray, my apologies. I should have told you the...

Ray, my apologies. I should have told you the whole story. The camshaft part numbers came from a call to the Merc dealer. They looked up the parts and said they were the same.

Regarding the...

Forum: General Q & A

06-11-2012, 03:36 PM

Replies: 36

Remove Mercruiser catalyst

Views: 44,086

Posted By Engineer

Ray - You're kidding me! Right? What are you...

Ray - You're kidding me! Right? What are you going to do when the only engines you can get have catalysts? This guy sells products to read just about ANY marine ECM. There is no magic here. For...

Forum: General Q & A

06-11-2012, 12:13 PM

Replies: 36

Remove Mercruiser catalyst

Views: 44,086

Posted By Engineer

WOW! Why the hostility? As a marine engine...

WOW! Why the hostility?

As a marine engine builder, I am surprised that you didn't know that the camshafts are the same between the cat and non-cat engines. Also, if you look at the fuel flow...

Forum: General Q & A

06-11-2012, 08:48 AM

Replies: 36

Remove Mercruiser catalyst

Views: 44,086

Posted By Engineer

I would like to see it tried on any marine...

I would like to see it tried on any marine catalyst engine, but preferably a V8 Merc.

Forum: General Q & A

06-10-2012, 09:56 PM

Replies: 36

Remove Mercruiser catalyst

Views: 44,086

Posted By Engineer

The Coast Guard has no jurisdiction regarding...

The Coast Guard has no jurisdiction regarding emissions, so I don't know where this device is "recognized" by them. Do you have a copy of one of these bulletins you speak of?

If a stock Merc...

Forum: General Q & A

06-10-2012, 04:07 PM

Replies: 36

Remove Mercruiser catalyst

Views: 44,086

Posted By Engineer

I haven't spent the money yet, but I did speak...

I haven't spent the money yet, but I did speak with a few different people at CP. They said they have sold some kits, but they would not tell me who or what engines they went on. They said they...

Forum: General Q & A

05-08-2012, 12:54 PM

Replies: 36

Remove Mercruiser catalyst

Views: 44,086

Posted By Engineer

They are not saying there are three settings,...

They are not saying there are three settings, they are saying you can use it in three different applications: headers without cats, stock exhaust without cats, stock exhaust with cats but without the...

Forum: General Q & A

05-08-2012, 12:50 PM

Replies: 36

Remove Mercruiser catalyst

Views: 44,086

Posted By Engineer

Drivehard- I agree. The pre sensor is still...

Drivehard-
I agree. The pre sensor is still driving the fueling via running in closed loop control at the slower speeds. The stock system on cars and boats go rich when you go to WOT. And yes,...

Forum: General Q & A

05-08-2012, 12:27 PM

Replies: 36

Remove Mercruiser catalyst

Views: 44,086

Posted By Engineer

The rest of the story

Hi Ray,
I have tried polishing out muffler bearings before, but they just don't shine like a nice set of headers! :) You have helped me realize that a few horsepower may be nice, but what I really...

Forum: General Q & A

05-08-2012, 09:31 AM

Replies: 36

Remove Mercruiser catalyst

Views: 44,086

Posted By Engineer

The ad for the above site says that it does not...

The ad for the above site says that it does not work with the later vehicles (only up to 2003), so I doubt it works with the Mercruiser stuff. Also, I don't know if it will plug in.

I like the...

Forum: General Q & A

05-07-2012, 10:25 PM

Replies: 36

Remove Mercruiser catalyst

Views: 44,086

Posted By Engineer

Haxby! You 'da man!! Thank you very much. ...

Haxby!
You 'da man!! Thank you very much. That was just what I was looking for! Have you used this yet? I think you are right about saving the time.

Has anybody out there tried it?

Thank...

Forum: General Q & A

05-07-2012, 06:27 PM

Replies: 36

Remove Mercruiser catalyst

Views: 44,086

Posted By Engineer

I like the Radio Shack option from above, but I...

I like the Radio Shack option from above, but I am not an electrical guy. There must be something out there. Catalysts have been around for too long for there not to be!

Forum: General Q & A

05-07-2012, 12:40 PM

Replies: 36

Remove Mercruiser catalyst

Views: 44,086

Posted By Engineer

The system has one sensor before each cat and one...

The system has one sensor before each cat and one after each cat! The wires go back to the engine computer. A buddy has an 8.1 cat engine and his is set up the same way. He ran with the sensors...

Forum: General Q & A

05-07-2012, 11:44 AM

Replies: 36

Remove Mercruiser catalyst

Views: 44,086

Posted By Engineer

Remove Mercruiser catalyst

I have a Mercruiser 350 with the catalyst system on it. I am wanting a bit more power and was thinking of pulling the cats and maybe putting headers on it. Has anyone worked with this system yet? ...

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