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Re: Troubleshoot Loud Ticking 2498 288 Ultramatic
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My best guess is that it's piston slap from a cracked piston skirt that was not distinguishable above the previous valve noise.
The fact that it occurs once per piston stroke means that it can't conceivably be in the valve train, unlikely also since the valve train was just redone. It could also be a rod bearing knock but it's unlikely to "just have one" be problematic compared to a cracked piston. Damaged pistons are not unheard of in high mileage engines, not just from overall fatigue, but also from detonation ultimately caused either by carbon buildup altering the compression ratio, or the timing/mixture drifting out of specific from lack of regular maintenance. Likewise if the engine was parked for a long time, some goofy things can happen with the piston or two with exhaust valves left open; the cylinders may flash rust over time, causing broken piston rings and/or excessive wear when the engine is restarted. Excessive carbon buildup can help to damage rings as well when restarting a dormant engine.
Posted on: 12/28 12:25
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1955 400 | Registry | Project Blog
1955 Clipper Deluxe | Registry | Project Blog 1955 Clipper Super Panama | Registry Email (Parts/service inquiries only, please. Post all questions on the forum.) service@ultramatic.info |
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Re: Troubleshoot Loud Ticking 2498 288 Ultramatic
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One would assume it would change under those circumstances, but he already said that the noise takes 20 or 30 sec. to appear. Cold oil is much more viscous than warm so it makes sense it would quiet the sound.
Kunzea can you get 2 more recordings? - wire off plug - plug out Each with the engine running long enough that the sound would be expected to appear. Also for doing a video, you can upload the file to gofile.io for free. It just won't keep it forever. That's what I like to do for file sharing.
Posted on: 12/29 18:04
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1955 400 | Registry | Project Blog
1955 Clipper Deluxe | Registry | Project Blog 1955 Clipper Super Panama | Registry Email (Parts/service inquiries only, please. Post all questions on the forum.) service@ultramatic.info |
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Re: Troubleshoot Loud Ticking 2498 288 Ultramatic
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Quote:
Agree with the cold oil quieting the sound, wherever it's coming from. You had mentioned in your other post that it's not likely the valve train as that's been gone through. When I have an issue with my car, the first thing I look at is the last thing I worked on! LOL Kunzea, maybe we can get a longer video of start up from cold? This one has be curious. Maybe we'll have to schedule a Facebook Live Stream! 
Posted on: 12/29 18:15
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Re: Troubleshoot Loud Ticking 2498 288 Ultramatic
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What type and viscosity oil are you using?
Posted on: 12/30 10:28
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Re: Troubleshoot Loud Ticking 2498 288 Ultramatic
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Oh no, the oil conversation!
 I'm planning on using Camoil for my next oil change. www.camoils.com
Posted on: 12/30 11:41
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Re: Troubleshoot Loud Ticking 2498 288 Ultramatic
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Ross puts a bajillion miles on his cars running Shell Rotella T4 for diesel vehicles. Yes it is a slightly higher zinc oil.
Best part is it's like $4 a quart if you buy in bulk. walmart.com/ip/Shell-Rotella-T4-Triple-P ... l-Motor-Oil-5-Gallon-Pail/178006262
Posted on: 12/30 12:47
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1955 400 | Registry | Project Blog
1955 Clipper Deluxe | Registry | Project Blog 1955 Clipper Super Panama | Registry Email (Parts/service inquiries only, please. Post all questions on the forum.) service@ultramatic.info |
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