Re: '38 six cyl question wrong oil filter? Really ready to start
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The two most important dimensions of the elements are the outer and inner diameters. The outer to ensure the element fits inside the canister and still have a bit of space for flow and the side port is not blocked yet not be so small that the surface area is severely diminished. The inner diameter needs to have a snug fit around the center pipe so oil does not flow between the element and pipe.
Typically the prewar filters had the oil enter the filter thru the center pipe, go thru the filter element and exit the circumference and out the side port. Postwars changed that so the side port was the supply side. I suspect that might be so the greater surface area around the outer diameter could trap more dirt than the small center area giving a longer life to the element before the filter was too dirty to allow flow. Clogged filters were a problem with prewar 356 engines having hydraulic lifters and Packard even introduced a filter with a special valve that opened if the element became clogged so oil was not cut off to the lifters. If you don't get a recommendation for a different element, as long as the element is snug on the center pipe and the height of the filter is not reduced enough to uncover any small holes that might be in the pipe then it should function satisfactorily. If the spring on the cap is not long enough to hold the shorter filter snugly on the bottom rest, some filters actually had a spacer which looked like a thick washer under the spring. A spacer could probably be added to yours if needed.
Posted on: 2019/9/7 20:30
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Howard
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Re: '38 six cyl question wrong oil filter? Really ready to start
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Well, I can't add anything to the filter technicalities of the replacement elements, but what I can suggest is clarifying what filter canister you have, and then what filter fits the canister, as Howard has carefully detailed.
As more of a footnote, both filters shown are totally incorrect for a 38, as the OEM Optional Purolator filter was of the disposable canister type.
Posted on: 2019/9/7 22:16
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Re: '38 six cyl question wrong oil filter? Really ready to start
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Quite a regular
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The wrong type of filter? Are you sure? This car has not been altered that I know of. Bob another photo
Posted on: 2019/9/7 22:23
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Re: '38 six cyl question wrong oil filter? Really ready to start
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Forum Ambassador
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Quote:
toymanbob wrote:.......This car has not been altered that I know of. Bob Alternator and acorn head nuts aside? ![]() ![]()
Posted on: 2019/9/8 5:02
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Mal
/o[]o\ ==== ![]() Bowral, Southern Highlands of NSW, Australia "Out of chaos comes order" - Nietzsche. 1938 Eight Touring Sedan - SOLD 1941 One-Twenty Club Coupe - SOLD 1948 Super Eight Limo, chassis RHD - SOLD 1950 Eight Touring Sedan - SOLD What's this? ![]() Put your Packard in the Packard Vehicle Registry! Here's how! Any questions - PM or email me at ozstatman@gmail.com |
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Re: '38 six cyl question wrong oil filter? Really ready to start
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Home away from home
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The flackmaster is rarely incorrect. An incorrect or after market oil filter canister could easily be the problem as they were extra cost on most Packard Automobiles. Yours could have been from an outside supplier when the car was new or perhaps a respectful second or third owner...Ernie in Arizona
Posted on: 2019/9/8 11:23
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Caretaker of the 1949-288 Deluxe Touring Sedan
'Miss Prudence' and the 1931 Model A Ford Tudor 'Miss Princess' ![]() |
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Re: '38 six cyl question wrong oil filter? Really ready to start
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Quite a regular
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This is not my car but is the same year. My filter housing looks just like this one. So Dave, I'm unclear about "disposable canister" you mention. Isn't this one?
Posted on: 2019/9/8 17:11
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Re: '38 six cyl question wrong oil filter? Really ready to start
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Forum Ambassador
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That appears to be the very common replaceable element Fram or AC canister style oil filter, no harm-no foul as being "period correct", but it is not the original disposable Purolator (PER 1/2 style) Packard supplied canister. I don't have the motivation right now to find a picture of what I describe - what is important is that you install the correct filter. That looks to me to be a FRAM unit, but I am basing that simply on color scheme...
Oh, and for what its worth, MUCH easier And Cheaper to source this replaceable canister style than the disposable canister that I describe. Easier to work with too... DAF
Posted on: 2019/9/8 19:13
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Re: '38 six cyl question wrong oil filter? Really ready to start
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Forum Ambassador
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The correct standard equipment filter is pictured in the 1938 Six and Eight Data Book, page 26 I believe. It's a very low mount, lower front of the crankcase, driver's side. The unit pictured in post #7 is not the correct filter and not mounted in the correct location. No reason to question what the correct original equipment was, just look at the pix in the Data Book.
Posted on: 2019/9/8 19:37
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Re: '38 six cyl question wrong oil filter? Really ready to start
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Home away from home
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Would one need any sort of orifice in the line to the filter with an add on oil filter on these engines? Mine has one someone added to it. It just has rubber lines connecting it. I thought about replacing them with metal lines to look more original.
John
Posted on: 2019/9/9 10:53
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