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Search: Posts Made By: ndutton
Forum: Cooling System 03-23-2024, 01:15 PM
Replies: 5
Views: 295
Posted By joe_db
Sort of. Bronze is better, but plenty of fittings...

Sort of. Bronze is better, but plenty of fittings just don't come in bronze. Practically I have yet to see an issue with my brass fittings on the engine.
Forum: Electrical 12-22-2023, 12:38 PM
Replies: 10
Views: 1,018
Posted By Dave Neptune
As Neil stated it's "your boat now" and your turn...

As Neil stated it's "your boat now" and your turn to correct the mistakes found and make it "safe" to operate with confidence. Wiring is pretty straight forward and simple when done one step at a...
Forum: Fuel System 11-01-2023, 08:35 AM
Replies: 14
Views: 1,850
Posted By joe_db
Warning - you can mask a lot of issues with EI...

Warning - you can mask a lot of issues with EI for a time, but they will be back. Your plugs should not be fouled, mine can go several years with no issues.
Forum: General Interest 10-30-2023, 02:20 PM
Replies: 4
Views: 879
Posted By Al Schober
That nipple supporting the oil pressure sender...

That nipple supporting the oil pressure sender was a concern to me too. Most installations are hard mounted, so vibration is not too much of a concern, yet...
My concern was compounded by my desire...
Forum: Cooling System 06-20-2023, 02:55 PM
Replies: 5
Views: 1,072
Posted By edwardc
What you have looks like a jacketed mixing elbow....

What you have looks like a jacketed mixing elbow. Hot exhaust flows through a large passage in the center. Raw water flows through the jacket surrounding this exhaust passage and is injected into the...
Forum: Troubleshooting 05-28-2023, 08:44 PM
Replies: 18
Views: 1,659
Posted By Sam
I'll bring closure to this thread- the engine now...

I'll bring closure to this thread- the engine now starts right up and runs smoothly. I'll summarize the events:

-A4 with EI and off brand electric fuel pump would not start after winter layup. Ran...
Forum: Good Guys 05-14-2023, 01:13 PM
Replies: 5
Views: 2,914
Posted By Bryan Janeway
Hello Aaz, Welcome to the site!! I’m not a...

Hello Aaz,

Welcome to the site!! I’m not a mechanic but have owned my Atomic 4, Northern 29 for 8 years. I have pretty much messed with every part of my motor due to all kinds of issues. Well...
Forum: Announcements 12-24-2022, 02:06 PM
Replies: 0
Views: 1,100
Posted By TimBSmith
Happy Holidays to all my A4 mentors here...

Thank you for helping me through the 2022 New England sailing season. From fuel filters, pumps, raw water intake blockages, overheating, instrument failures, and just basic maintenance. Appreciate...
Forum: Fuel System 11-02-2022, 11:06 PM
Replies: 19
Views: 3,101
Posted By sastanley
Neil thanks...those are the details I had just...

Neil thanks...those are the details I had just never worked out yet. I would also eliminate the hard copper line and use a soft A-1 fuel line to the secondary filter and then the inline pressure...
Forum: Cooling System 10-06-2022, 11:06 PM
Replies: 2
Views: 875
Posted By Dave9111
Coolant leaking into oil causing Milky Oil

My Atomic 4 is a life long resident of the Great Lakes - so no salt water. I converted my engine to FWC several years ago and noticed back then that the coolant would slowly drop in level over a...
Forum: Electrical 06-12-2022, 02:24 PM
Replies: 69
Views: 13,024
Posted By Dave Neptune
Exclamation Good advise

The voltage regulator controls the alternator which controls the output voltage, NOT THE BATTERIES.

The early and late A-4's were even shipped from the factory with a ballast resistor. Once you...
Forum: General Interest 06-09-2022, 01:21 PM
Replies: 5
Views: 1,167
Posted By joe_db
A survey isn't about learning or not learning to...

A survey isn't about learning or not learning to work on boats, it is about a professional who has examined a thousand boats telling you what you'll need to be doing by spotting problems that may not...
Forum: General Interest 06-09-2022, 11:33 AM
Replies: 5
Views: 1,167
Posted By Dave Neptune
Keel bolts if so equipped, rudder bearings,...

Keel bolts if so equipped, rudder bearings, rudder post, strut and bearing as well as any thru hulls.
Look for dry rot around all bulkheads and deck fittings including the anchor stuff.

RE a...
Forum: Introductions 05-18-2022, 09:06 PM
Replies: 48
Views: 9,721
Posted By Sam
Welcome again and my first suggestion is get a...

Welcome again and my first suggestion is get a Moyer Service manual - best $50 you will ever spend. Your rpm issue could be something as simple as idle adjusting screw set wrong - literally a 10 sec...
Forum: Electrical 04-19-2022, 07:26 AM
Replies: 7
Views: 1,670
Posted By joe_db
A4s came with 35 or 50 amp alternators. Mounted...

A4s came with 35 or 50 amp alternators. Mounted in the stock location, I doubt you could get 65 amps out of a 300 amp alternator.
Can you post a link to the ACR?
Forum: General Interest 02-20-2022, 09:38 AM
Replies: 13
Views: 2,383
Posted By Dave Neptune
If you were to run out of "juice" would the...

If you were to run out of "juice" would the rescue boat bring you 5 gal of fuel, 5kw of "juice" or a tow rope?

I have in my boating experience towed 2 Duffy's and 4 or 5 dinghy's with Torquedo's...
Forum: General Interest 01-17-2022, 08:52 AM
Replies: 14
Views: 2,774
Posted By msmith10
No experience with gasoline vapor detectors, but...

No experience with gasoline vapor detectors, but in my experience, my nose is more sensitive than the electronic detectors I've seen. I can smell natural gas long before detectors in my home start...
Forum: Troubleshooting 10-15-2021, 11:47 AM
Replies: 30
Views: 5,022
Posted By edwardc
This seems way too low. When you checked the...

This seems way too low. When you checked the spark, was it a snappy blue one or a weak yellow? A weak yellow spark in open air will likely not fire under compression, as the breakdown voltage of...
Forum: Troubleshooting 07-22-2021, 07:27 PM
Replies: 15
Views: 1,806
Posted By Surcouf
honestly, unless you want to sell the boat in a...

honestly, unless you want to sell the boat in a few weeks... you cannot make a better investment. Will save you a fortune in ignorant mechanics, make your engine reliable and trustworthy.
...
Forum: Ignition System 07-13-2021, 10:19 AM
Replies: 3
Views: 4,705
Posted By Borrowed Time
Coils & Pertronix EI

My upgrade to electronic ignition gave me all sorts of trouble with engine shutdowns by trying to keep cost down with a cheap auto parts store coil. All those problems ended when I bought Don's coil...
Forum: Overhaul 07-12-2021, 11:23 AM
Replies: 18
Views: 3,022
Posted By Dave Neptune
Joe, my original exhaust was done with a 45* side...

Joe, my original exhaust was done with a 45* side out with a fitting similar to the MMI unit. It worked very well. The two exhaust systems I built I cut and brazed into a straight section at a 30*...
Forum: Troubleshooting 07-05-2021, 12:54 PM
Replies: 52
Views: 10,832
Posted By roadnsky
Please note that the coil's INPUT VOLTAGE should...

Please note that the coil's INPUT VOLTAGE should be tested between coil + and a solid ground (block). Not the coil's (-) terminal.
The small coil (-) post is not a "ground" even though one would...
Forum: General Interest 05-03-2021, 08:03 PM
Replies: 8
Views: 2,244
Posted By Al Schober
Actual name for that is a 'core plug'. When the...

Actual name for that is a 'core plug'. When the head is cast, the internal water passages are made by a piece called a core. After the head cools, the core has to be removed from the inside of the...
Forum: Troubleshooting 05-01-2021, 06:36 AM
Replies: 21
Views: 3,049
Posted By Peter
Questions 1) what type of pump is it? Does...

Questions

1) what type of pump is it? Does it have the grease fitting on it? Based on the photo I think it may be a MMI pump
2) water jacket pressure test - did this test include the exhaust...
Forum: Electrical 04-06-2021, 10:18 AM
Replies: 7
Views: 2,175
Posted By roadnsky
Connect a jumper wire (12-14 gauge) between the...

Connect a jumper wire (12-14 gauge) between the large battery terminal on the starter solenoid and the positive terminal (+) of the coil.
Connecting this jumper wire is the same as turning on the...
Showing results 1 to 25 of 189

 
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