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Showing results 1 to 25 of 189
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Posts Made By:
ndutton
Forum:
Cooling System
03-23-2024, 01:15 PM
Replies:
5
Galvanic Corrosion
Views:
374
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
Ignition/Starter Fuse blowing
Views:
1,097
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
Engine starts, but has no power in gear
Views:
1,945
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
Oil leak from the oil pressure sending unit
Views:
930
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
cooling system leak
Views:
1,129
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
NO START WHEN CONNECTED TO OLD/NEW FUEL PUMP
Views:
1,765
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
Atomic 4 Mechanic - Oakville, Ontario ???
Views:
2,984
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
Happy Holidays to all my A4 mentors here...
Views:
1,134
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
Mechanical Fuel Pump issue?
Views:
3,201
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
Coolant leaking into oil causing Milky Oil
Views:
910
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
How to "wire" a new tachometer to the alternator
Views:
13,418
Posted By
Dave Neptune
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
New to me boat, Old salts chime in. What do I need to be checking
Views:
1,203
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
New to me boat, Old salts chime in. What do I need to be checking
Views:
1,203
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
New here, just got an a4
Views:
9,847
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
Alternator output?
Views:
1,735
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
That Electric Boat
Views:
2,443
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
How much fuel fumes is normal?
Views:
2,836
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
Question about burnt smell
Views:
5,119
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
Engine throttle is lacklustre under load
Views:
1,854
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
Replacing External Resistance Coil with Internal Resistance Coil
Views:
4,780
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
I am in pretty deep now!
Views:
3,076
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
Runs great, but stalls out under power
Views:
11,054
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
Water manifold leak
Views:
2,326
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
Water in Oil
Views:
3,089
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
Intermittent power to starter
Views:
2,222
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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