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Search: Posts Made By: Dave Neptune
Forum: Fuel System Yesterday, 10:57 PM
Replies: 1
Views: 42
Posted By Dave Neptune
What plate? I see a gasket, a pushrod end and the...

What plate? I see a gasket, a pushrod end and the oil return galley hole.

Dave Neptune :cool:
Forum: Fuel System 05-21-2022, 11:03 AM
Replies: 3
Views: 99
Posted By Dave Neptune
You can easily just disconnect and plug the fuel...

You can easily just disconnect and plug the fuel lines until the plate arrives. The plate from MMI is an exact fit and comes with a gasket I believe. A plate can be easily made as well as a gasket if...
Forum: General Maintenance 05-21-2022, 08:55 AM
Replies: 11
Views: 308
Posted By Dave Neptune
Lightbulb The numbers don't look bad at all! The first test...

The numbers don't look bad at all! The first test on #2 could easily of been an anomaly as the second dry and the wet test look excellent.

How do the plugs look? And are you really using/burning a...
Forum: General Maintenance 05-20-2022, 12:24 PM
Replies: 11
Views: 308
Posted By Dave Neptune
Any amount of "top oil" with todays "dryer" and...

Any amount of "top oil" with todays "dryer" and less "lubricative" fuels is a plus. When the 100:1 is exceeded plug fouling can occur in poor running engines.

I used a "top oil" in my A-4 for 34...
Forum: Electrical 05-19-2022, 08:12 PM
Replies: 30
Views: 496
Posted By Dave Neptune
I had an Indigo Ign and used a std Tach with a...

I had an Indigo Ign and used a std Tach with a coil hookup. The pulse is still a pulse with most EI set ups.

One wire for tach power
one wire lite hook up how you wish
One wire for ground
And...
Forum: General Maintenance 05-19-2022, 11:24 AM
Replies: 11
Views: 308
Posted By Dave Neptune
Question Curious

How did you determine low compression on #2? If it was from a compression test what are the numbers? And was the compression done first dry and then a second time wet?
How did you determine the...
Forum: General Maintenance 05-14-2022, 07:29 PM
Replies: 1
Views: 150
Posted By Dave Neptune
Thumbs up Bill, nice find and if it is a JB product it is...

Bill, nice find and if it is a JB product it is usually excellent. I will be adding it to my bonding collection too!

These new classes of polyimide resins is getting really popular. In my old line...
Forum: Troubleshooting 05-13-2022, 08:12 AM
Replies: 3
Views: 218
Posted By Dave Neptune
How "high" did you have the bucket set. If above...

How "high" did you have the bucket set. If above the engine it could syphon in if allowed to sit long enough. If the oil NOW stays clear your block is probably OK but worth a pressure check.

Dave...
Forum: Overhaul 05-12-2022, 11:12 PM
Replies: 11
Views: 571
Posted By Dave Neptune
Lightbulb Was the 'ring gap" set and checked. It only takes...

Was the 'ring gap" set and checked. It only takes a couple of minutes for "too little" gap to stop the engine when the ring gap goes away due to cylinder heat and that will bring the engine to a...
Forum: Troubleshooting 05-02-2022, 09:04 AM
Replies: 10
Views: 542
Posted By Dave Neptune
Trans basic

First there is no real neutral or reverse in the direct drive. The "detent" only locks the trans in forward. To use reverse pressure needs to be applied to the shifter to hold in reverse as there is...
Forum: Troubleshooting 04-30-2022, 10:27 AM
Replies: 10
Views: 542
Posted By Dave Neptune
A PSS shaft should turn very easy if truly in...

A PSS shaft should turn very easy if truly in neutral of which the direct drive trans is extremely illusive of.

Does it move at all or just stuck? Since you were in and out of the yard hopeful the...
Forum: Ignition System 04-29-2022, 02:22 PM
Replies: 2
Views: 293
Posted By Dave Neptune
It's a four cylinder sensor so 180* out would not...

It's a four cylinder sensor so 180* out would not change anything as there are four trigger points, one for each cylinder.

Dave Neptune :cool:
Forum: Fuel System 04-28-2022, 01:27 PM
Replies: 11
Views: 488
Posted By Dave Neptune
An electrical issue will usually cause the engine...

An electrical issue will usually cause the engine to just stop like you turned it off.

A weak fuel system can idle and often restart but when throttle is applied the fuel can't keep up with demand...
Forum: Troubleshooting 04-28-2022, 10:58 AM
Replies: 17
Views: 1,635
Posted By Dave Neptune
Gude gneus! Does the replacement motor run? If so...

Gude gneus! Does the replacement motor run? If so and the oil has no water you should be good to go. I would check the compression if you can. Disconnect what is necessary to lift out of the boat....
Forum: Troubleshooting 04-28-2022, 10:04 AM
Replies: 17
Views: 1,635
Posted By Dave Neptune
Sven, not sure of the financial situation but...

Sven, not sure of the financial situation but there are choices.
An electric trolling motor will get you in and out of the slip for sailing but with limited power and run time.
An OB on an up and...
Forum: Fuel System 04-27-2022, 02:10 PM
Replies: 10
Views: 433
Posted By Dave Neptune
I doubt the washer thickness would not make the...

I doubt the washer thickness would not make the needle close fully unless the adjustment was way off. Most old OB carb specs list both a float closed level the common setting and the max drop setting...
Forum: Fuel System 04-26-2022, 07:09 PM
Replies: 10
Views: 433
Posted By Dave Neptune
Plastic floats today are actually pretty good,...

Plastic floats today are actually pretty good, given a choice between cork and plastic I'd go for the plastic. I have seen them in many production vehicles. Besides cork does not like the E fuels so...
Forum: Fuel System 04-26-2022, 12:10 PM
Replies: 10
Views: 433
Posted By Dave Neptune
You could probably find a sealing washer at a...

You could probably find a sealing washer at a parts house or hardware store.

Check the float level too, both open and closed. Only bend and hold only the tabs with small pliers when doing so. Do...
Forum: General Maintenance 04-26-2022, 08:26 AM
Replies: 6
Views: 373
Posted By Dave Neptune
Exclamation First welcome to the MMI forum. The snap...

First welcome to the MMI forum.

The snap ring does not hold the impeller it holds the shaft from backing into the drive dogs causing big problems possibly. IE the snap ring holds the location of...
Forum: Fuel System 04-25-2022, 05:04 PM
Replies: 10
Views: 433
Posted By Dave Neptune
Part II

It could also be a leaking reed valve not closing completely as well.

Dave Neptune :cool:
Forum: Fuel System 04-25-2022, 05:02 PM
Replies: 10
Views: 433
Posted By Dave Neptune
Welcome. Those "seals" are important for absolute...

Welcome. Those "seals" are important for absolute sealing. If there is one intended there it is for a reason like needing to complete the seal.

Your needle and seat could be working just fine...
Forum: Electrical 04-22-2022, 08:38 PM
Replies: 27
Views: 2,064
Posted By Dave Neptune
I just used volt and amp meters. They gave me the...

I just used volt and amp meters. They gave me the info I wanted and I was not interested in counting amps.

What do the instructions indicate?

I like the KISS rule.

Dave Neptune :cool:
Forum: Exhaust System 04-20-2022, 09:32 AM
Replies: 14
Views: 571
Posted By Dave Neptune
Looks great. One "MINOR" suggestion. As the old...

Looks great. One "MINOR" suggestion. As the old pipe was a bit longer on the down side I will assume you have the room to add a couple of inches to the space between the top "el" and the MMI fitting....
Forum: Overhaul 04-17-2022, 03:22 PM
Replies: 121
Views: 16,269
Posted By Dave Neptune
Greg, get a cheap mechanical gage. Running for...

Greg, get a cheap mechanical gage. Running for much time without oil pressure will kill the bearings. No oil pressure and it will be time to check for a "left out galley plug". An easy fix just a PIA...
Forum: Troubleshooting 04-17-2022, 09:04 AM
Replies: 17
Views: 1,635
Posted By Dave Neptune
When you "looked" at the valve train moving did...

When you "looked" at the valve train moving did you check the valve clearance to be sure that they are seating? Sticky valves can go up and down and still not go "all the way down" to the closed...
Showing results 1 to 25 of 500

 
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