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Re: A Tale of Two Patricians
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I just finished performing a compression check and it's abysmal! No time to pull the head as I'm closing up the shop to leave on Monday after the off-grid solar panels have finally been installed. The next time I come I'm sure it will be much cooler and I'll have more energy of my own but the heat saps me quickly. Anyway, here goes and your guess is as good as mine what it might mean!
#1 20 #2 90 #3 80 #4 120 #5 140 (and there was moisture on the gauge) #6 110 #7 15 #8 100 As a little repeat history, this engine was rebuilt decades ago and was one of my everyday cars and used often on PAC's NorCal tours. With all that, it did not amass many miles - a few thousand maybe - but one time shortly after the rebuild, it was necessary to replace the Egge pistons after what they said was a bad batch, one of which had its top come off at the upper ring groove and a couple others cracked. Egge replaced all of them. After a few more years of driving it, the car then sat for many decades in my garage untouched and not even accessible until I brought it to my Oregon shop. Once here, it was quickly and easily made runnable again with a rebuild of the brake hydraulics, fresh gasoline and a cleaning of the points which had oxidized from disuse. It’s been running beautifully and as posted several entries back I even drove it around the block. After bringing it here, the first thing I did was to pull all the plugs and pour oil into the cylinders, then it sat that way for a couple months. The plugs at that time were nice, dry and clean but here is what they all look like now. 
Posted on: Yesterday 18:51
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Re: A Tale of Two Patricians
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Quote:
I would guess stuck rings making it burn oil. Wash out the plugs with gas or sandblast them or whatever and recheck the gaps, it will probably get going again. I would do one of those tricks, e.g. putting MMO in the gas, to retard the rate of carbon buildup as you don't want to burn a valve in an easily avoidable way considering that it's clear there's a problem.
Posted on: Yesterday 20:05
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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: A Tale of Two Patricians
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Thank you. With this type of plug, there is no gap to adjust and the liquid I saw on #5 looked an awful lot like coolant with the radiator showing nothing inside. Also, the oil was changed while getting it running again and it does not look like oil now! I agree with your assessment but I think that first I'll pull the head and do a visual inspection as I want to change it anyway and already have the proper gasket for doing so. There are specifics on installing the gasket with an aluminum head so I'll have to refresh myself for that when the time comes.
Posted on: Yesterday 20:21
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Re: A Tale of Two Patricians
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Well at least the head will be light, what with it being aluminum.
If you're seeing coolant, then maybe that points to a head gasket leak? Does the oil look like a milkshake now, or water sitting on top of the oil? Low compression could be sticky valves also. The head off should at least show you something. Those are some funky spark plugs.
Posted on: Yesterday 21:07
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Kevin
1954 Clipper Super Panama "Van Halen" | Registry | Project Blog 1938 Super 8 1605 | Registry | Project Blog 1953 Clipper Deluxe Club Sedan "Rusty McRustface" | Registry | Project Blog 1956 Packard The Four Hundred "Tanner" | Registry | Project Blog |
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Re: A Tale of Two Patricians
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First see how much the head nuts will tighten to the torque spec. If they go more now, then the gasket got loose on you.
I would just take a pass over most of them.
Posted on: Yesterday 21:12
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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: A Tale of Two Patricians
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Kevin, the oil doesn't look like milkshake but it also doesn't look like Royal Triton which is what it's supposed to be.
Pgh Ultramatic, I'm planning on checking their torque but I want to change the head anyway so this will be a good excuse and I can check the cylinder walls while Im at it to be sure there were no more Egge issues. The water pump works fine but is wrong so also needs to be replaced and I had the proper one rebuilt already a year or so ago so this will also be a good time for that work.
Posted on: Yesterday 21:26
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Re: A Tale of Two Patricians
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Quote:
What happened to all the oil you poured into the cylinders?
Posted on: Today 10:57
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Re: A Tale of Two Patricians
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That would depend on whether valves were open or not or whether the pistons were up or not. Much, I’m sure, ran back into the crankcase but I hope that some at least went into the cylinders.
Posted on: Today 11:15
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