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KM7 replied to the thread Replacing Risers/Elbows and Exhaust Manifolds on a Ford/OMC Cobra 5.8 Ltr.

You were right! There is a hose port on the side, about the same place it was on the OEM manifold. Now I just need a fitting to screw...
Yesterday at 8:12 PM
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KM7 replied to the thread Replacing Risers/Elbows and Exhaust Manifolds on a Ford/OMC Cobra 5.8 Ltr.

Lou or anyone. I see that you: "First thing I did with my Barr conversion. After I took the paint off, they were just about perfect…" I...

Yesterday at 8:08 PM
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KM7 replied to the thread What is the Best Way to Repair the Snaps on a Sunbrella Cover.

There are a lot of missing snaps, so I'd prefer not to have to sew on a doubler. There should be a strong adhesive that I can use to...

Sunday at 7:03 PM
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KM7 posted the thread What is the Best Way to Repair the Snaps on a Sunbrella Cover in Boat Topics and Questions (not engine topics).

The boat comes with a very well made cover that snaps onto the boat in many places. A lot of the snaps have torn out of the cover. I'd...
Sunday at 4:15 PM
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KM7 replied to the thread Replacing Risers/Elbows and Exhaust Manifolds on a Ford/OMC Cobra 5.8 Ltr.

Sounds like you used a generic hose and not one shaped for this application. I could use the existing hose, which would get me 2/3 of...

Saturday at 7:29 PM
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KM7 replied to the thread Replacing Risers/Elbows and Exhaust Manifolds on a Ford/OMC Cobra 5.8 Ltr.

Thanks Lou. Did you have to change the hose from the thermostat housing to the manifolds?

Saturday at 4:25 PM
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KM7 replied to the thread Replacing Risers/Elbows and Exhaust Manifolds on a Ford/OMC Cobra 5.8 Ltr.

Here is a picture of one of my exhaust manifolds and a Barr manifold I can get tomorrow. See the discussion above about the differences:
Aug 21, 2026
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KM7 replied to the thread Replacing Risers/Elbows and Exhaust Manifolds on a Ford/OMC Cobra 5.8 Ltr.

I have been able to get the old gaskets off the heads. There is another post on just that. I have located new exhaust manifolds by...

Aug 21, 2026
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KM7 replied to the thread How do I Remove Very stuck on Exhaust Manifold Gaskets?.

I was able to get all the gasket material off the engine block. Here was the method: 1) Vacuum all around the exhaust and the spark plug...
Aug 16, 2026
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KM7 replied to the thread How do I Remove Very stuck on Exhaust Manifold Gaskets?.

Just to be clear, I'm trying to get very old gasket material of the cylinder head not the exhaust manifolds. I plan on replacing the...

Aug 15, 2026
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KM7 posted the thread How do I Remove Very stuck on Exhaust Manifold Gaskets? in OMC I/O & Inboard Engines & Outdrives.

I'm changing the exhaust manifolds. They came off easily, but the gaskets are really stuck on the engine block. They may be the...

Aug 14, 2026
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KM7 replied to the thread Have you cleaned and resurfaced exhaust manifolds?.

I'm going to replace the exhaust manifolds along with the risers. I cleaned them out as best I could by connecting a hose and blasting...

Aug 12, 2026
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KM7 replied to the thread Have you cleaned and resurfaced exhaust manifolds?.

Good to know. Sounds like removing too much rust could make things worse. The right amount may be to only knock out the loose rust and...

Aug 11, 2026
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KM7 replied to the thread What are the symptoms of cracks in an Exhaust Manifold?.

How can you be sure that I would get water to enter the manifolds/cylinders? I can have the manifolds cleaned, resurfaced and pressure...

Aug 10, 2026
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KM7 posted the thread Have you cleaned and resurfaced exhaust manifolds? in OMC I/O & Inboard Engines & Outdrives.

This is on a Ford 5.8 Ltr with an OMC OD. Have you cleaned and resurfaced exhaust manifolds? I have a few other posts about this. The...

Aug 10, 2026

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