Offshoreonly.com - Search Results
Offshoreonly.com

Go Back  Offshoreonly.com > Search Forums
Reload this Page >

Search Results

Register
FAQ
Calendar
Today's Posts
Search
Vendor Directory
Notices
Search: Posts Made By: sergeantnic
Showing results 1 to 22 of 22
Search took 0.00 seconds.
Forum: Do It Yourself, Boating on a Budget
12-26-2016, 04:10 PM
Replies: 14
Views: 3,033
Posted By sergeantnic

It's not the CAT eliminator as the problem...

It's not the CAT eliminator as the problem existed before any of that work was done.

That being said, I do think I need to send my ECM off to get flashed as I'm getting a ODB Service Soon error...
Forum: Do It Yourself, Boating on a Budget
12-26-2016, 07:13 AM
Replies: 14
Views: 3,033
Posted By sergeantnic

No growth. Boat sits on a lift. Plugs are brand...

No growth. Boat sits on a lift. Plugs are brand new and arrestor is clean. The rest, I don't know.



I replaced the manifolds and collectors with OEM parts. They had 5 years of salt water use...
Forum: Do It Yourself, Boating on a Budget
12-25-2016, 07:20 PM
Replies: 14
Views: 3,033
Posted By sergeantnic

I'm about 4600 RPM at WOT

I'm about 4600 RPM at WOT
Forum: Do It Yourself, Boating on a Budget
12-25-2016, 10:03 AM
Replies: 14
Views: 3,033
Posted By sergeantnic

Should I get my props labbed and polished?

I've lost 3 - 4 mph on my 502 since I bought my Cobalt 2 years ago and the only really thing I can think that has happened is my props aren't running true anymore.

I just got done replacing...
Forum: Do It Yourself, Boating on a Budget
12-25-2016, 06:46 AM
Replies: 35
Views: 8,724
Posted By sergeantnic

Got the starboard side all back together and ran...

Got the starboard side all back together and ran her yesterday but just around the canals at idle speed. I'm still worried about the temp. I can lay my hand on the starboard collector and it is...
Forum: Do It Yourself, Boating on a Budget
12-11-2016, 06:29 AM
Replies: 35
Views: 8,724
Posted By sergeantnic

So I got the port side all put back together. ...

So I got the port side all put back together. Hooked up the hose and ran the boat. I loosened up the hose clamps on the down pipe to verify I was seeing water and I can see water coming out the...
Forum: General Boating Discussion
12-09-2016, 08:14 AM
Replies: 16
Views: 1,637
Posted By sergeantnic

I just ran into the same boat (no pun intended)...

I just ran into the same boat (no pun intended) with the 502 in my Cobalt. Your mechanic is right that manifolds and risers will need to be replaced every 5 or 6 years regardless of how well you...
Forum: Do It Yourself, Boating on a Budget
12-07-2016, 11:27 AM
Replies: 35
Views: 8,724
Posted By sergeantnic

I'll try some sandpaper but I'm fairly certain it...

I'll try some sandpaper but I'm fairly certain it is pitting from corrosion. Pictures just don't show it well.

Assuming it is not gasket material, same question as before. Will just the gasket...
Forum: Do It Yourself, Boating on a Budget
12-07-2016, 10:47 AM
Replies: 35
Views: 8,724
Posted By sergeantnic

Let me know if these don't show up. ...

Let me know if these don't show up.

https://photos.google.com/share/AF1QipO5yWRHzL_YnF-44BA9s-nlEoyQUO_X6pMEEhvR0Q80cC9oENlep7rcFASnhk4jyg?key=MXFqNVVVUE10WnR5RFJqYmhfb0pkSGU1OVNqQVdB
...
Forum: Do It Yourself, Boating on a Budget
12-07-2016, 10:15 AM
Replies: 35
Views: 8,724
Posted By sergeantnic

I keep hearing both ways on the RTV. I got...

I keep hearing both ways on the RTV. I got everything nice a clean with a wire wheel and brake clean. The pitting is pretty shallow but you can definitely feel it. It's about the length of the...
Forum: Do It Yourself, Boating on a Budget
12-06-2016, 08:01 AM
Replies: 35
Views: 8,724
Posted By sergeantnic

I've got a little corrosion on the mating surface...

I've got a little corrosion on the mating surface where the manifolds mount up to. Can I put / should I put a little high temp RTV sealant on there before putting on my gasket and new manifold?
...
Forum: Do It Yourself, Boating on a Budget
11-26-2016, 05:11 PM
Replies: 6
Views: 2,464
Posted By sergeantnic

I just ordered one from here. Pretty happy with...

I just ordered one from here. Pretty happy with it overall. You get 3 year access for $35.
Forum: Wanted
11-26-2016, 04:27 PM
Replies: 0
Views: 310
Posted By sergeantnic

Mercruiser 8.2L Mag EC exhaust manifolds and collectors

Looking to buy manifolds and collectors from a 2011 or newer Mercruiser. Hoping somebody pulled some off a motor to do after market or headers and has them laying around the garage.
Forum: Do It Yourself, Boating on a Budget
11-26-2016, 03:50 PM
Replies: 35
Views: 8,724
Posted By sergeantnic

Thanks. I'll make a couple calls tomorrow to see...

Thanks. I'll make a couple calls tomorrow to see if any of the aftermarket companies make a direct bolt up alternative for around the same price. Just doesn't make sense to me to drop $2600 + on...
Forum: Do It Yourself, Boating on a Budget
11-26-2016, 01:39 PM
Replies: 35
Views: 8,724
Posted By sergeantnic

Well, looks like $2500 or so is the best I can do...

Well, looks like $2500 or so is the best I can do either way. Thanks for the help.

Do you know if I need the expansion plugs? Doesn't look like they are anything I can get out of the old ones so...
Forum: Do It Yourself, Boating on a Budget
11-26-2016, 01:11 PM
Replies: 35
Views: 8,724
Posted By sergeantnic

I was thinking of ditching the catalyst all...

I was thinking of ditching the catalyst all together and getting one of those cat eliminator systems. How much cheaper was the newer style?
Forum: Do It Yourself, Boating on a Budget
11-26-2016, 12:23 PM
Replies: 35
Views: 8,724
Posted By sergeantnic

1A352940 Catalyst seems ok.

1A352940

Catalyst seems ok.
Forum: Do It Yourself, Boating on a Budget
11-26-2016, 11:53 AM
Replies: 35
Views: 8,724
Posted By sergeantnic

Well I spent half the day pulling the port side...

Well I spent half the day pulling the port side manifold and exhaust collector off. The good news is the crack in the manifold is on the outside just above where the water comes into the manifold at...
Forum: Do It Yourself, Boating on a Budget
11-26-2016, 06:32 AM
Replies: 35
Views: 8,724
Posted By sergeantnic

My main issue is the newer EC motors have the...

My main issue is the newer EC motors have the manifold and collector. So, I'm having a hard time finding an aftermarket setup that will fit and bolt up to the existing exhaust elbows. I'm leaning...
Forum: Do It Yourself, Boating on a Budget
11-23-2016, 04:04 PM
Replies: 35
Views: 8,724
Posted By sergeantnic

Right. I found an eliminator system for $400...

Right. I found an eliminator system for $400 that plugs into the O2 sensors and lets you remove all the catalyst. But it requires O2 sensor ports on the front side as you have to re-use 2 of the...
Forum: Do It Yourself, Boating on a Budget
11-23-2016, 02:43 PM
Replies: 35
Views: 8,724
Posted By sergeantnic

Did you use an O2 sensor? I've got 4 O2 sensors...

Did you use an O2 sensor? I've got 4 O2 sensors with the stupid catalyst system and there is a box that will eliminate the 2 rear ones but it says any aftermarket system I get I need to have the...
Forum: Do It Yourself, Boating on a Budget
11-23-2016, 06:47 AM
Replies: 35
Views: 8,724
Posted By sergeantnic

502 Exhaust Manifolds and Risers time

It's time for new manifolds and risers on my Cobalt and I'm thinking of going aftermarket. I'm new to the forum so I'm hoping this is in the right section. Does anybody have any experience with...
Showing results 1 to 22 of 22


 
Forum Jump

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.