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Bt Doctur's latest activity

Bt Doctur replied to the thread Water pump leak?.

never grease or oil on those types of rubber products, use K-Y products

Today at 12:25 PM
Bt Doctur replied to the thread Is this engine oil good?.

mercruiser V6 flat tappet motor .I use this runs cooler, has high zinc, and has much better oil pressure when hot Shell Rotella 5 gal...

Yesterday at 6:34 AM
Bt Doctur replied to the thread Mercruiser 3.7 4 Barrel Electric Choke.

https://duckduckgo.com/?q=rochestor+electric+choke+elements&t=newext&atb=v337-1&ia=web

Wednesday at 9:06 AM
Bt Doctur replied to the thread Low Voltage at RPM?.

losing voltage at rpm could indicate a winding opening up at high rpm inside the alternator

Oct 5, 2025
Bt Doctur replied to the thread guardian mode, low water pressure after replacing impeller.

low water pressure and high temps are a sign of a water restriction, You dont list a drive but mentioning a impeller in the drive is...

Oct 2, 2025
Bt Doctur replied to the thread 1979 Cobalt 18DV w/ MerCruiser 260 and Alpha 1 - No Raw water to engine.

isn`t that feed hose on the wrong side of the T housing?Water inlets are normally on the port side

Oct 2, 2025
Bt Doctur replied to the thread guardian mode, low water pressure after replacing impeller.

Fine but whats the engine temp doing

Oct 2, 2025
Bt Doctur replied to the thread alpha 1 gen 1 noise.

I agree, gimbal check and oil check for any metal ,never heard a bearing sound like that

Sep 29, 2025
Bt Doctur replied to the thread 1989 mercruiser Aplha One. water temp senor issues.

usually with the housing facing up in a normal position the sender is stbd and the alarm is port

Sep 22, 2025
Bt Doctur replied to the thread Need help: Bizarre Bravo III freshwater galvanic corrosion quandry.

another cause could be a incorrect charger wired incorrectly .Second place it the trim sender .With the key on there is a constant 12...

Sep 22, 2025
Bt Doctur posted the thread new fitting for drive oil res for older boats in Mercury MerCruiser Sterndrives & Engines.

Currently have in the works a fitting to replace the gear lube monitor no longer available.Used on MC1, Alpha1, alpha GEN II without...

Sep 20, 2025
Bt Doctur replied to the thread Freeze plug part number.

And the correct terminology is "core plug"

Sep 18, 2025
Bt Doctur replied to the thread Mercruiser Setting Timing on 3.0L.

cant go wrong with Fel-Pro gaskets

Sep 16, 2025
Bt Doctur replied to the thread I have a leak..

whats that red circle at 9:00 position and looks like the gasket is cut there

Sep 12, 2025
Bt Doctur replied to the thread destroyed 2 gimbal bearing tools trying to dislodge a seized bearing. still stuck.

does yours look like this? under $50
Sep 8, 2025

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