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   All Posts (Jack Vines)


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Re: 1955 Front oil seal replacement. Rope? Rubber?
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2006/6/4 7:52
From WA
Posts: 1095
Random thoughts on front oil seals:

Their job is made much more difficult by an old engine with poor ring seal. Crankcase pressure is the #1 cause of front seal leakage. We find in many of the oil pumps we rebuild the vacuum pump is not functioning and/or the road draft tube is plugged. Often the tube and fittings from the bottom of the block to the windshield wiper are plugged.

Anytime the front damper is removed, have the keyway magnaflux checked for cracks. About one in three is cracked

Before reinstalling the damper, put it on a lathe and polish the seal surface.

jack vines

Posted on: 3/26 9:57:57
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Re: Oil pump
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2006/6/4 7:52
From WA
Posts: 1095
I discussed this strange setup with my machinist and he knew right away the photo was the Toronado version of the Olds high volume pump. For some reason, that one has a longer pressure relief housing. That's why the top of it had to be machined away for clearance to fit on the Packard V8.

It's moot, because all of his parts books say the Toronado pump is NLA and substitute the regular Olds pump.

jack vines

Posted on: 1/28 9:21:48
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Re: Oil pump
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2006/6/4 7:52
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Posts: 1095
Quote:
Picture is in my blog.
And an excellent blog it is, albiet 35 pages. Any recollection as to what page the photo might be found?

jack viens

Posted on: 1/25 9:17:45
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Re: $%&#ing Lifter Tick Again?!
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Joined:
2006/6/4 7:52
From WA
Posts: 1095
Valve springs don't cause lifter tick.

Plumb a 270-degree sweep manual oil pressure gauge on the oil filter supply line at the front of the engine and let us know the hot idling oil pressure.

Does the lifter click change with the oil filter supply feeding the gauge, so there's no oil pressure bypassing into the filter?

Are you certain the oil filter brass Weatherhead fitting with the restriction was correctly reinstalled?

jack vines

Posted on: 1/25 9:12:14
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Re: Oil pump
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2006/6/4 7:52
From WA
Posts: 1095
Wonder where that's coming from?

That's an Oldsmobile high volume oil pump, pickup and while it isn't shown clearly in the photos, it looks like my adapter kit. I do not recognize the milled cut on the end of the oil pump pressure relief spring housing. That's not done on the Melling pumps I supply.

He's asking $500 and my list price for the same setup is $395.

Posted on: 1/23 13:55:32
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One more time through the Packard buildings
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2006/6/4 7:52
From WA
Posts: 1095
Haggerty

jack vines

Posted on: 12/16 17:51:23
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Packard Motor Car Company flashlight
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Joined:
2006/6/4 7:52
From WA
Posts: 1095
Lettering is faded, but:
PROPERTY OF
PACKARD MOTOR CAR COMPANY
can be made out.

Open in new window

Bright Star No. 1918

Trade for best offer for V8 engine hard parts.

jack vines

Posted on: 2019/11/11 15:38
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Re: Oil pump
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2006/6/4 7:52
From WA
Posts: 1095
FWIW, I've never seen a plate or body warped enough to leak air. They're usually under the oil level anyway.

The most worn area is usually the lower end of the pump drive shaft and the pump body where the shaft rides.

FWIW, Packard engineers spent a lot of time worrying about the pressure relief valve opening. The first Service Bulletin dealer fix was adding the copper dip tube to keep the opening below oil level in the pan. The second fix was filling the cross pin retaining holes, then drilling and tapping the pressure relief opening for a threaded plug.

It is to be wondered why they did this, as every pressure relief piston I have seen in core engines is always stuck in the bore and requires major effort just to remove it. With that tight fit, how much air could ever enter there?

jack vines

Posted on: 2019/11/5 9:11
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Re: Crankshaft
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2006/6/4 7:52
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Posts: 1095
Very interesting! In all my years of looking at crankshafts, I've never seen one cracked in that fashion. It does appear to be a casting flaw which spread.

Since Packard V8 cranks are still thick on the ground, I'd not chance using that one.

As to grooving the cam journals, I've never seen that done to a Packard V8.

Agree, since it's the main bearings which fail first, why would anyone want more oil to the cam bearings?

jack vines

Posted on: 2019/10/27 12:20
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Re: Water Injection
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2006/6/4 7:52
From WA
Posts: 1095
The usual answer:

"It worked so well the big corporations bought up the patent and kept it a secret."

Same with water injection. If it were a really workable solution, it would be designed in on each engine or would be government mandated. Just look at diesel engine BlueDef fluid. The owners hate the hassle and the fleets hate the expense, but it's required by regulation.

jack vines

Posted on: 2019/10/25 9:09
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