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Forum: Engines 09-07-2013, 11:44 PM
Replies: 32
Views: 6,139
Posted By mmwjr
HL, look under your notifications. I sent you a...

HL, look under your notifications. I sent you a private message.

Don't worry folks we'll still post the progress.
Forum: Engines 09-07-2013, 08:16 PM
Replies: 32
Views: 6,139
Posted By mmwjr
Not sure about the low voltage but you are...

Not sure about the low voltage but you are getting fule drawn from the tank. It should take a few seconds to get fuel to the carb. Have you tried priming the carb with either starting fluid or a...
Forum: Engines 09-07-2013, 01:19 AM
Replies: 32
Views: 6,139
Posted By mmwjr
The purple/yellow (as labled in wiring diagram)...

The purple/yellow (as labled in wiring diagram) from the starter provides 12V to the fuel pump when starting. Once started (key returned to run position) the wire from the starter goes open and 12V...
Forum: Engines 09-06-2013, 02:12 PM
Replies: 32
Views: 6,139
Posted By mmwjr
HL, just want to make sure I have this straight....

HL, just want to make sure I have this straight. MCM 5.0 (GM 305) electric fuel pump with a carb connected to an Alpha outdrive, correct? One more thing that will help me is the year and engine...
Forum: Engines 09-06-2013, 12:39 AM
Replies: 32
Views: 6,139
Posted By mmwjr
The pump requires 12V, you can try jumping with...

The pump requires 12V, you can try jumping with some 20 guage wire from the battery to see if it will run. So need to check the fuse then relay. There is also a low oil pressure switch that kills the...
Forum: Engines 09-05-2013, 08:22 PM
Replies: 32
Views: 6,139
Posted By mmwjr
You never said what engine you have and is the...

You never said what engine you have and is the fuel pump mechanical or electric? Electric will be about the length of a soda can and 1/2 the diameter. If mechanical then there is no relay.

As Dan...
Forum: Engines 09-05-2013, 05:57 PM
Replies: 32
Views: 6,139
Posted By mmwjr
I don't know of any connection between the cables...

I don't know of any connection between the cables and fuel. There is a netural saftey switch in the shifter but if broken or misaligned would not allow the engine to crank just like in a car that...
Forum: Engines 09-05-2013, 12:09 AM
Replies: 32
Views: 6,139
Posted By mmwjr
"not stupid"? I assume you are refering to JP...

"not stupid"? I assume you are refering to JP comment about hitting the the kill switch. You would be surprised how many times this is the cause.

No the engine doen't need to be running for the...
Forum: Engines 09-04-2013, 07:10 PM
Replies: 32
Views: 6,139
Posted By mmwjr
That "back pressure" story doesn't hold water...

That "back pressure" story doesn't hold water with me. The term back pressure is usually in reference to the exhaust system where the engine has back pressure as the exhaust valve is still slightly...
Forum: Engines 09-04-2013, 04:35 PM
Replies: 32
Views: 6,139
Posted By mmwjr
The engine doesn't care if you are giving it...

The engine doesn't care if you are giving it water or not so misaligned water tube isn't the issue.

Sounds like a differnt issue. The engine is turning over so now need to verify spark and fuel....
Forum: Engines 09-04-2013, 03:36 PM
Replies: 32
Views: 6,139
Posted By mmwjr
Sounds like you answered your own question and...

Sounds like you answered your own question and are back in business :nod:
Forum: Engines 09-04-2013, 11:40 AM
Replies: 32
Views: 6,139
Posted By mmwjr
HL glad to help. The O-ring should be fine. Yes...

HL glad to help. The O-ring should be fine. Yes you can see the joint between the upper and lower once matted. I suspect it will be ok as I have done this once myself, that's how I knew what you did....
Forum: Engines 09-04-2013, 01:11 AM
Replies: 32
Views: 6,139
Posted By mmwjr
The alpha units must be removed and install with...

The alpha units must be removed and install with he shifter in forward, sounds like you did this. When installing the lower half it's shift shaft must be in forward, the shaft is located on the...
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