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Search: Posts Made By: ndutton
Forum: Exhaust System Yesterday, 11:31 AM
Replies: 8
Views: 118
Posted By ndutton
How much time does anyone estimate it will take...

How much time does anyone estimate it will take to drill/extract and re-tap the manifold holes and dress the flange mating surface? What is that time worth compared to - or put toward - the cost of...
Forum: Troubleshooting 06-18-2021, 03:56 PM
Replies: 5
Views: 118
Posted By ndutton
Anti-siphon is an absolute must and maximizing...

Anti-siphon is an absolute must and maximizing the hot section riser is to your advantage. Even if these items are not the problem there is no downside to making them better.
Forum: Troubleshooting 06-18-2021, 02:28 PM
Replies: 5
Views: 118
Posted By ndutton
Your test results and diagram strongly suggest to...

Your test results and diagram strongly suggest to me water incursion up through the exhaust. As a result of a recent case study (not yet published on the forum), engines with minimal hot section...
Forum: Electrical 06-15-2021, 08:32 PM
Replies: 7
Views: 339
Posted By ndutton
Difference between volts and amps

Fluid dynamics are in many ways analogous to electricity. Imagine a bucket with a valve at the bottom.
When the bucket is filled with water and the valve is closed there is measurable pressure...
Forum: Electrical 06-14-2021, 03:05 PM
Replies: 6
Views: 127
Posted By ndutton
Bayou, please describe your regulation setup for...

Bayou, please describe your regulation setup for all charging systems: shore power, engine alternator and solar.
Forum: Electrical 06-13-2021, 10:04 AM
Replies: 7
Views: 339
Posted By ndutton
This is an excellent example of the difference...

This is an excellent example of the difference between voltage and current.
Forum: Troubleshooting 06-11-2021, 08:07 PM
Replies: 15
Views: 489
Posted By ndutton
Sorry, the suspense is killing me. I'm not a...

Sorry, the suspense is killing me. I'm not a patient man.
Forum: Troubleshooting 06-11-2021, 01:42 PM
Replies: 14
Views: 478
Posted By ndutton
Guys, remember that the gauge temperature is with...

Guys, remember that the gauge temperature is with the engine at idle, out of gear (no load whatsoever) and in 61° water.
Forum: Troubleshooting 06-11-2021, 01:39 PM
Replies: 15
Views: 489
Posted By ndutton
There's no harm in bypassing the OPSS but your...

There's no harm in bypassing the OPSS but your report of 3.5 PSI fuel pressure in the opening post pretty much eliminated it as a problem. Also in the opening post, the report of engine starting but...
Forum: Troubleshooting 06-08-2021, 09:10 PM
Replies: 15
Views: 489
Posted By ndutton
Sounds to me like it's time for a test run off an...

Sounds to me like it's time for a test run off an auxiliary fuel tank. Having 3.5 lbs. fuel pressure doesn't mean much if the fuel is 75% water.
Forum: Wanted to Buy - Engines and Engine Parts 06-08-2021, 10:44 AM
Replies: 2
Views: 196
Posted By ndutton
It may not be the cheapest solution but it is the...

It may not be the cheapest solution but it is the best:
https://moyermarine.com/product/manifold-late-model-aftermarket-ovcm_02-0_303/

With a Moyer manifold you don't have the risk of a used part...
Forum: Troubleshooting 06-06-2021, 12:24 AM
Replies: 8
Views: 493
Posted By ndutton
Unusual vibrations can be unnerving until their...

Unusual vibrations can be unnerving until their cause is determined. My experience from a few years ago:
https://www.moyermarineforum.com/forums/showthread.php?t=11273
Forum: Announcements 06-03-2021, 11:03 PM
Replies: 64
Views: 38,563
Posted By ndutton
No kidding!

No kidding!
Forum: Announcements 06-03-2021, 10:28 AM
Replies: 64
Views: 38,563
Posted By ndutton
It's a non-issue for me, couldn't see the screen...

It's a non-issue for me, couldn't see the screen anyway.
Forum: Announcements 06-03-2021, 09:31 AM
Replies: 64
Views: 38,563
Posted By ndutton
Influenced by this thread and contrary to my...

Influenced by this thread and contrary to my comments in post #6 (10 years ago) I tried an iPad with iNavX including AIS mounted at the helm. Everything worked except the screen was unreadable in...
Forum: For Sale - Engines and Engine Parts 05-28-2021, 04:38 PM
Replies: 1
Views: 201
Posted By ndutton
I call dibs. Chris, please check your email.

I call dibs. Chris, please check your email.
Forum: Good Guys 05-22-2021, 08:47 PM
Replies: 8
Views: 754
Posted By ndutton
I'll repeat what Dave and John said but in...

I'll repeat what Dave and John said but in different words. There is no neutral so you can't be "in" it. There's forward and there's reverse. Properly adjusted the shaft stops spinning when you're...
Forum: Electrical 05-19-2021, 11:03 PM
Replies: 5
Views: 481
Posted By ndutton
To get the +/- ammeter to read the way you...

To get the +/- ammeter to read the way you expect, connect the house panel feeder to the alternator output post rather than the battery.
Forum: Good Guys 05-15-2021, 06:27 PM
Replies: 9
Views: 544
Posted By ndutton
Scroll down to the bottom of this page:...

Scroll down to the bottom of this page:...
Forum: Good Guys 05-15-2021, 11:05 AM
Replies: 9
Views: 544
Posted By ndutton
Exhaust system replacement is the same work as...

Exhaust system replacement is the same work as disassembly and inspection. I like McMaster-Carr as a source for schedule 80 pipe and they have it in 316L stainless steel as specified by the USCG. A...
Forum: Troubleshooting 05-10-2021, 01:50 AM
Replies: 21
Views: 845
Posted By ndutton
Hmmm, most perplexing. What's bothering me is...

Hmmm, most perplexing. What's bothering me is although water evidence is reported in #4 cylinder (typical in a manifold or exhaust system water incursion) there is no report of stuck exhaust valves....
Forum: Troubleshooting 05-09-2021, 09:38 PM
Replies: 21
Views: 845
Posted By ndutton
Following those successful tests it's no longer...

Following those successful tests it's no longer guessing. The only way left for water to get into the oil is up through the exhaust. The question now is why? I propose a thorough examination of...
Forum: Overhaul 05-06-2021, 08:39 AM
Replies: 6
Views: 492
Posted By ndutton
Good to hear you're considering MMI rebuild...

Good to hear you're considering MMI rebuild options. If the broken piston was due to water incursion, a hydraulic event, there's every chance the connecting rod is damaged and the...
Forum: Troubleshooting 05-05-2021, 10:52 PM
Replies: 21
Views: 1,159
Posted By ndutton
I see it, not easily but it's there, the original...

I see it, not easily but it's there, the original design spring clip.
Forum: Good Guys 05-05-2021, 10:46 PM
Replies: 9
Views: 450
Posted By ndutton
On a chance, contact Tom Vandiver on this forum: ...

On a chance, contact Tom Vandiver on this forum:
https://www.moyermarineforum.com/forums/member.php?u=4837
Last I heard he's retired in the Pensacola area but he might be able to provide a good...
Showing results 1 to 25 of 500

 
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