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Brentathon posted the thread Anode Continuity - a must do in Mercury MerCruiser Sterndrives & Engines.

Always check continuity with a multimeter, especially when first installing. You’d be surprised how often you WON’T have a good...
Apr 7, 2025
Brentathon replied to the thread BEWARE of Faulty 87290A4 Thermostat Housing sold on Amazon!.

Here's a pic of my old GLM housing, and the new housing from Amazon which I believe is counterfeit; not just because it doesn't say...
Apr 4, 2025
Brentathon replied to the thread BEWARE of Faulty 87290A4 Thermostat Housing sold on Amazon!.

I did have an issue one time, when I mixed GLM manifolds with Sierra elbows (or vise versa, I forget); there was a slight interference...

Apr 2, 2025
Brentathon replied to the thread BEWARE of Faulty 87290A4 Thermostat Housing sold on Amazon!.

Yes!…me too. And the outdrive install gasket kit.

Apr 1, 2025
Brentathon reacted to Lou C's post in the thread BEWARE of Faulty 87290A4 Thermostat Housing sold on Amazon! with Like.

parts that I always try to use OEM for: thermostats impellers bellows shift cables

Apr 1, 2025
Brentathon replied to the thread BEWARE of Faulty 87290A4 Thermostat Housing sold on Amazon!.

During my troubleshooting, I removed the Quicksilver thermostat and checked it on the stove (in a pot), along with a spare Sierra...

Apr 1, 2025
Brentathon reacted to Lou C's post in the thread BEWARE of Faulty 87290A4 Thermostat Housing sold on Amazon! with Like.

I have a few GLM parts for my Cobra because frankly there is no more OEM for some items but for critical parts like manifolds I use Barr...

Apr 1, 2025
Brentathon reacted to Fun Times's post in the thread BEWARE of Faulty 87290A4 Thermostat Housing sold on Amazon! with Like.

Sorry to hear that and I hope it isn't that bad in the end of your testing's to come...Please know, another caution to be aware of is...

Apr 1, 2025
Brentathon reacted to racerone's post in the thread BEWARE of Faulty 87290A4 Thermostat Housing sold on Amazon! with Like.

Some say-----" the bitterness of poor quality is remembered long after the sweetness of low price is forgotten "

Mar 31, 2025
Brentathon posted the thread BEWARE of Faulty 87290A4 Thermostat Housing sold on Amazon! in Mercury MerCruiser Sterndrives & Engines.

I recently purchased a supposed GLM 13230 (Mecruiser # 87290A4) on Amazon, and it's missing the hidden internal hole, and caused my 5.7...

Mar 31, 2025
Brentathon reacted to Lou C's post in the thread 5.7 Cast Iron Intake Manifold - Salt (‘raw’) Water Cooled with Like.

It's a bit of a gamble but you can poke at the intake right under where the thermostat sits and see if it's getting weak there with a...

Mar 21, 2025
Brentathon replied to the thread 5.7 Cast Iron Intake Manifold - Salt (‘raw’) Water Cooled.

Well… I just spoke to my mechanic that I’ve used off/on for the last 28 years… He said he thinks he’s only changed one cast iron intake...

Mar 20, 2025
Brentathon reacted to Scott Danforth's post in the thread 5.7 Cast Iron Intake Manifold - Salt (‘raw’) Water Cooled with Like.

the cast intake manifold will last just as long as the head castings and the block casting in salt water. right up to the point where...

Mar 20, 2025
Brentathon reacted to Lou C's post in the thread 5.7 Cast Iron Intake Manifold - Salt (‘raw’) Water Cooled with Like.

If you're referring only to the intake, I have one on my 4.3 which has been on it the whole time I've owned it in salt water in my use...

Mar 20, 2025
Brentathon replied to the thread 5.7 Cast Iron Intake Manifold - Salt (‘raw’) Water Cooled.

So…. I’m wondering if I should bother to replace the intake manifold…because it’s original since 1991. Can that be done with motor...

Mar 20, 2025

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