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Search: Posts Made By: ndutton
Forum: Testing Protocols Yesterday, 11:23 AM
Replies: 6
Views: 130
Posted By ndutton
Good info on removing the ground ear Dave. About...

Good info on removing the ground ear Dave. About having a spare plug on a good running engine, it's the same as having a fuel pressure gauge. It rides along harmlessly until it's needed and then...
Forum: Testing Protocols 06-22-2019, 06:37 PM
Replies: 6
Views: 130
Posted By ndutton
We may be victims of our own boats (Catalina...

We may be victims of our own boats (Catalina 30's) with zero clearance for anything higher than spark plug #1.
Forum: Testing Protocols 06-22-2019, 03:43 PM
Replies: 6
Views: 130
Posted By ndutton
Spark Test

Perhaps the most fundamental test we can perform on a non-running engine determines if the issue is fuel or spark related. Of the two, spark is much easier to test provided you're prepared. A...
Forum: Ignition System 06-20-2019, 08:31 AM
Replies: 7
Views: 136
Posted By ndutton
The coil is done too.

The coil is done too.
Forum: Ignition System 06-19-2019, 11:01 PM
Replies: 7
Views: 136
Posted By ndutton
Something interesting in one of the pictures (see...

Something interesting in one of the pictures (see arrow below) and I suspect the ignition was not fused.
Forum: Fuel System 06-18-2019, 10:59 PM
Replies: 7
Views: 275
Posted By ndutton
Replacement time

There comes a time when it has served its useful life
Forum: Exhaust System 06-13-2019, 11:20 PM
Replies: 6
Views: 181
Posted By ndutton
If the break is before the water injection (it...

If the break is before the water injection (it should be), expect operating temperatures of 500° or better.
Forum: Cooling System 06-12-2019, 09:47 PM
Replies: 31
Views: 690
Posted By ndutton
I think the guys are correlating the symptoms as...

I think the guys are correlating the symptoms as presented to a common conclusion often repeated in the past. A coil overheated to the point of damage will fail but somewhat miraculously appear to...
Forum: Troubleshooting 06-12-2019, 05:54 PM
Replies: 2
Views: 179
Posted By ndutton
Are you holding pressure on the shift lever in...

Are you holding pressure on the shift lever in reverse or expecting it to stay in reverse on its own? What oil are you using? Synthetic?
Forum: Troubleshooting 06-11-2019, 11:05 PM
Replies: 12
Views: 286
Posted By ndutton
You'll lose the current alignment you said you...

You'll lose the current alignment you said you were trying to preserve.
Forum: Troubleshooting 06-11-2019, 10:43 PM
Replies: 12
Views: 286
Posted By ndutton
Push it aft with a little twisting motion. Don't...

Push it aft with a little twisting motion. Don't forget to check the zinc (you'll have to go for a swim). If the coupling is rusted solid to the engine's output coupler it will have to be parted. ...
Forum: Troubleshooting 06-11-2019, 10:17 PM
Replies: 12
Views: 286
Posted By ndutton
The shaft and coupling must be slid aft to clear...

The shaft and coupling must be slid aft to clear the output coupler nut. Make sure you don't have a zinc on the shaft close to the strut that prevents enough aft movement.
Forum: Cooling System 06-11-2019, 08:48 AM
Replies: 31
Views: 690
Posted By ndutton
I think you're headed down the right path for the...

I think you're headed down the right path for the most part. Coolant loss is the most likely cause of your elevated temperature and there are very few places the coolant can go:

Leak out and end...
Forum: Ignition System 06-10-2019, 08:13 PM
Replies: 16
Views: 437
Posted By ndutton
I’m surprised that John Cookson’s comment in post...

I’m surprised that John Cookson’s comment in post #2 has gone pretty much unnoticed. A coil - wire shorted to the distributor body will certainly cause the reported symptoms as well as destroy a...
Forum: Troubleshooting 06-10-2019, 04:02 PM
Replies: 23
Views: 622
Posted By ndutton
Did you ever find out why the idle mixture needle...

Did you ever find out why the idle mixture needle didn't seat properly the first time?
Forum: Ignition System 06-10-2019, 10:30 AM
Replies: 19
Views: 577
Posted By ndutton
I haven't seen the MMI ISSPRO tach but I think...

I haven't seen the MMI ISSPRO tach but I think the answer to your question is probably not. Tachometers come in a few varieties of input signal: ignition pulses, alternator AC tap or an engine...
Forum: Cooling System 06-08-2019, 08:08 PM
Replies: 4
Views: 238
Posted By ndutton
I would place a 5 gallon bucket filled with water...

I would place a 5 gallon bucket filled with water a little above the engine and a temporary hose long enough to reach the pump intake. With one end of the hose in the bucket, start a siphon by...
Forum: Cooling System 06-08-2019, 06:39 PM
Replies: 4
Views: 238
Posted By ndutton
I would change the impeller because of its age...

I would change the impeller because of its age alone. Try priming the pump the next time you start the engine.
Forum: Tartan 06-07-2019, 05:51 PM
Replies: 5
Views: 222
Posted By ndutton
The hole is the first place it has rusted...

The hole is the first place it has rusted through. Fix that one and the rest of the manifold is just as bad internally, ready to spring another leak.
Forum: Ignition System 06-06-2019, 07:34 PM
Replies: 19
Views: 577
Posted By ndutton
Post #10 mentions the ISSPRO "filtering harness"...

Post #10 mentions the ISSPRO "filtering harness" sent to MMI and on its way to Trevor. In post #4 I mentioned a Pertronix solution found on the internet. In post #12 I offered a sure solution...
Forum: Ignition System 06-06-2019, 07:32 PM
Replies: 19
Views: 577
Posted By ndutton
Post #10 mentions the ISSPRO "filtering harness"...

Post #10 mentions the ISSPRO "filtering harness" sent to MMI and on its way to Trevor.

In post #4 I mentioned a Pertronix solution found on the internet.
Forum: Troubleshooting 06-06-2019, 06:07 PM
Replies: 23
Views: 622
Posted By ndutton
Check your spring

There were so many different needles and springs used throughout the 4 decades of the late model carburetors that a problem emerges when someone uses an earlier (smaller diameter) spring with one of...
Forum: Ignition System 06-06-2019, 10:53 AM
Replies: 19
Views: 577
Posted By ndutton
Based solely on the dialog here I think it is a...

Based solely on the dialog here I think it is a known problem and the entities involved are keeping it quiet. I wouldn't think ISSPRO and Pertronics would have remedies available if it hadn't come...
Forum: Fuel System 06-06-2019, 08:00 AM
Replies: 1
Views: 251
Posted By ndutton
Reading assignment

Here is an interesting read on gasoline venting systems that at the same time applies and does not apply to us. It applies because we are gasoline powered, does not apply because of the age of our...
Forum: Ignition System 06-05-2019, 04:45 PM
Replies: 19
Views: 577
Posted By ndutton
The wattage specification is a minimum. If the...

The wattage specification is a minimum. If the recommended resistor is 1/2 watt, a 3 watt resistor has capacity to spare.

I have a Plan 'C' for you:
Go to an alternator driven tach like the...
Showing results 1 to 25 of 500

 
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