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Search: Posts Made By: Sculldog1
Forum: Troubleshooting 05-06-2023, 10:35 PM
Replies: 6
Views: 1,234
Posted By Sculldog1
Thanks for the feed back guys. I sure will double...

Thanks for the feed back guys. I sure will double check the firing order and plug wiring upon reassembly. Got a new cap, rotor and wires to go on also so hoping the sticky valve was all that was...
Forum: Troubleshooting 05-06-2023, 12:28 AM
Replies: 6
Views: 1,234
Posted By Sculldog1
Thanks for the good advice Mo. I guess I may not...

Thanks for the good advice Mo. I guess I may not have been clear in my description. I always had spark in both 3 and four but the last valve being stuck open created the 0 compression in number 4...
Forum: Troubleshooting 05-03-2023, 11:52 PM
Replies: 6
Views: 1,234
Posted By Sculldog1
Aft most valve stuck

Hi all. Just had to unstick the last valve (cylinder 4) closest to coil end of engine. The trouble was that 3 and 4 cylinders were not firing. After compression test found 1, 2 and 3 with 70 or so...
Forum: General Maintenance 10-13-2022, 11:04 AM
Replies: 5
Views: 1,950
Posted By Sculldog1
Thanks

Thanks Tenders for the coupler offering. I have 7/8" shaft however so unable to take you up on the offer.
Forum: General Maintenance 10-06-2022, 10:36 PM
Replies: 5
Views: 1,950
Posted By Sculldog1
Got the thing apart! Thanks to all.

Well I got the rust welded coupler apart.
For to help others: 1st I had to beat the scale off it with ball peen and cold chisel. Then used a stiff wire wheel on angle grinder till I could finally...
Forum: General Maintenance 10-06-2022, 01:38 PM
Replies: 5
Views: 1,950
Posted By Sculldog1
Shaft coupling

Hi all. I have inherited a running A4 if I can get it out of the boat. Trouble is that the p o has ground the heads off the 3 shaft coupling bolts and rounded the set screw beyond use. Question is...
Forum: Troubleshooting 11-19-2021, 04:35 PM
Replies: 6
Views: 1,390
Posted By Sculldog1
Dave, thanks as always for your help. It seems...

Dave, thanks as always for your help. It seems that the prop cleaning has actually worked better than I immediately reported. On two subsequent outings I was able to get the power back up to where it...
Forum: Troubleshooting 11-09-2021, 12:14 PM
Replies: 6
Views: 1,390
Posted By Sculldog1
Hi Dave, I am not sure of the size and pitch...

Hi Dave, I am not sure of the size and pitch exactly but before the engine work there was no trouble at all with getting the boat to do hull speed at about 1800 rpm so I am doubtful that the prop...
Forum: Troubleshooting 11-08-2021, 08:49 PM
Replies: 6
Views: 1,390
Posted By Sculldog1
was cavitation but now just doesn't have power

Hi All, I have recently gone through a valve job, new manifold and exhaust rebuild! I got the engine back running quite well and then went to test her out. The trouble is that after sitting at the...
Forum: Exhaust System 08-31-2021, 08:56 AM
Replies: 2
Views: 1,701
Posted By Sculldog1
I do have it all together with the short hose but...

I do have it all together with the short hose but just wanted to check if going to any specific length of rubber hose was advantageous as most pictures show about a foot to 18 inches going into WL....
Forum: Exhaust System 08-30-2021, 07:17 PM
Replies: 2
Views: 1,701
Posted By Sculldog1
Exhaust make up question

Hello A4 people! I am building an exhaust and have placed the water er injection point lower than previous design and almost exactly the same as Edward C had kindly posted pictures of that I am...
Forum: Overhaul 07-29-2021, 01:23 PM
Replies: 5
Views: 2,083
Posted By Sculldog1
Slick idea to fix pitted valve seat

So as the summer of discontent plods forward I had to find a way to fix up badly pitted valve seat. After some research I stumbled on a video by a young man who cut 3 very small bits of 100 grit sand...
Forum: Overhaul 07-19-2021, 07:28 PM
Replies: 5
Views: 2,083
Posted By Sculldog1
I did try that but the top was quite badly pitted...

I did try that but the top was quite badly pitted and the suction cup thing wouldn't stick to it making it ineffective. I was beat from lapping the first 7 valves and called it quits at that point. I...
Forum: Overhaul 07-19-2021, 06:30 PM
Replies: 5
Views: 2,083
Posted By Sculldog1
A valve grinding tool for #4 exhaust?

7 of 8 valves and seats lapped and ready to go back in! However, the #4 exhaust valve was badly pitted and I ordered new one. Question is is there a tool or grinding stone I might be able to use to...
Forum: Troubleshooting 07-15-2021, 09:31 PM
Replies: 0
Views: 1,164
Posted By Sculldog1
Not feeling allen wrench trick for stuck valves

Hi everyone, Just a quick thought on the advice of trying to free a stuck valve using an allen wrench through spark plug hole. I tried this recently after no luck freeing a stuck valve through valve...
Forum: Overhaul 07-15-2021, 08:18 PM
Replies: 18
Views: 3,019
Posted By Sculldog1
The quest continues!

So for to possibly be helpful to others I will report.

Having gotten in way over my head on the sailboat engine I found that:

1. My exhaust got a clog that led to water intrusion and the usual...
Forum: Overhaul 07-12-2021, 09:39 PM
Replies: 18
Views: 3,019
Posted By Sculldog1
After examining the exhaust more closely what I...

After examining the exhaust more closely what I have is very close to the MMI tfitting that Joe linked. The difference is that the pipe within the 1 1/4" had a bunch of holes drilled across it that...
Forum: Overhaul 07-11-2021, 11:02 AM
Replies: 18
Views: 3,019
Posted By Sculldog1
Thanks EdwardC for the pictures it looks like a...

Thanks EdwardC for the pictures it looks like a pretty simple remedy. As to anti siphon I don't really know whether it would be needed or not. Have you had good success with your set up and do I need...
Forum: Overhaul 07-10-2021, 11:46 PM
Replies: 18
Views: 3,019
Posted By Sculldog1
Thats what I think as well. I think if I bring it...

Thats what I think as well. I think if I bring it in right above where it goes to the rubber hose into the WL would be better. Not sure if this is how P30s came originally but am sure this isn't the...
Forum: Overhaul 07-10-2021, 11:10 PM
Replies: 18
Views: 3,019
Posted By Sculldog1
I am in pretty deep now!

Well it appears I have either gotten carried away or am doing due diligence. Either way I have a lot of work to do and would be very grateful for any input from fellow A4ourians.

After an...
Forum: Exhaust System 06-25-2021, 04:32 PM
Replies: 2
Views: 992
Posted By Sculldog1
Thats easy enough. Thanks, Mo.

Thats easy enough. Thanks, Mo.
Forum: Exhaust System 06-25-2021, 03:15 PM
Replies: 2
Views: 992
Posted By Sculldog1
Compression testing question

Going to check compression and wondered what to do about fuel during test. I know toermove coil wire and have seen recommendations to disconnect electric fuel pump. What, if any thing to do if I have...
Forum: Cooling System 06-17-2021, 09:34 PM
Replies: 14
Views: 2,758
Posted By Sculldog1
Vinegar soaking worked very well.

Thanks to all who weighed in to help with the over heating issue. For to possibly help others I will report.

I filled the engine with as much white vinegar as it would hold after removing the...
Forum: Cooling System 06-08-2021, 04:46 PM
Replies: 14
Views: 2,758
Posted By Sculldog1
I did do that at the time of head gasket job....

I did do that at the time of head gasket job. Cleaned tstat right up by vinegar soaking first then heated it up in pot of water with thermometer in it and it opened up at about 160 if I remember....
Forum: Cooling System 06-08-2021, 10:51 AM
Replies: 14
Views: 2,758
Posted By Sculldog1
Thanks Dave. I will try that this week. I did do...

Thanks Dave. I will try that this week. I did do a vinegar soak like that after getting cylinder. head gasket squared away prior to last season and she ran consistently around 160 all last season....
Showing results 1 to 25 of 37

 
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