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Try filling a stock Slant 6 Oil Filter prior to install....Aint gonna happen without a big mess

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Try filling a stock Slant 6 Oil Filter prior to install....Aint gonna happen without a big mess

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Try it with a 383/440.

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Try filling a stock Slant 6 Oil Filter prior to install....Aint gonna happen without a big mess

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Try it with a 383/440.

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Try filling a stock Slant 6 Oil Filter prior to install....Aint gonna happen without a big mess

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Try it with a 383/440.

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On the 440 I can easily fill the filter to about 1/2 way and still spin it on without spilling a drop. Done it MANY times.

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Try filling a stock Slant 6 Oil Filter prior to install....Aint gonna happen without a big mess

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Try it with a 383/440.

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On the 440 I can easily fill the filter to about 1/2 way and still spin it on without spilling a drop. Done it MANY times.

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Whats the point, other the the obvious? These engines are almost bullet proof. You think they filled the filters back in the day? Think not.

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If the point is obvious (and it is), why are you asking for another?

Bearings need lubrication on any engine, the sooner the better, its well understood that most engine wear occurs at start up (and thats with a FULL filter), why needlessly prolong (even slightly) getting the lubrication underway at first fire after oil change?

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Try filling a stock Slant 6 Oil Filter prior to install....Aint gonna happen without a big mess

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Try it with a 383/440.

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On the 440 I can easily fill the filter to about 1/2 way and still spin it on without spilling a drop. Done it MANY times.

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Whats the point, other the the obvious? These engines are almost bullet proof. You think they filled the filters back in the day? Think not.

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Nonsence and I dont believe the poll is real world correct, most engines it would be a pain in the rear.

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I fill them up about 3/4 of the way on small blocks and maybe a bit less on big blocks. Even on the slant6 I had I put some in so it wasn't completely dry. It may not make a huge difference but I feel better doing it that way.

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It may not make a huge difference but I feel better doing it that way.

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I'm tempted to try this, just for info.

Spin off you current filter, and spin one on, that you've filled with oil.

Then start the car. Time how long till you have oil pressure.

Spin it off, and try again with a dry one.

I doubt the difference in pressure up time will even be measurable on most car's.
The oil pump displaces quite a bit of oil, very quickly.

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Thank You My thoughts exactly.

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.........Is it anal? Yea probably, but there is no downside, costs nothing, takes seconds, so why not.
I do agree that in many cases the 'time-to-pressure' difference may be negligable, but again--why not?

On horizontal mounted filters(Mopar big blocks being one) I can easily fill the filter half full without spilling a drop during install.

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Try filling a stock Slant 6 Oil Filter prior to install....Aint gonna happen without a big mess

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Try it with a 383/440.

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On the 440 I can easily fill the filter to about 1/2 way and still spin it on without spilling a drop. Done it MANY times.

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never fill mine ever on hemi or 440, spin on new filter, pull coil wire and turn key. all filled and primed, put back coil wire all done and fire

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We all have our opinions on this subject and some are more pigheaded about the yea's or nay's of prefilling it or not. I say, "A ounce of prevention is worth a pound of cure!" I have been doing it for years and I have noticed that in some cars, knocking as well as the pressure comes up quicker with pre-filling the filter first.
The way to prevent oil from spilling out is to fill the filter first and let it sit while you drain the pan. You will notice that the oil has been soaked into the filter. I have even gone as far as adding more to the filter to ensure it's full. To each there own.

Hey, you do what you do, and I do what I do!

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We all have our opinions on this subject and some are more pigheaded about the yea's or nay's of prefilling it or not. I say, "A ounce of prevention is worth a pound of cure!" I have been doing it for years and I have noticed that in some cars, knocking as well as the pressure comes up quicker with pre-filling the filter first.
The way to prevent oil from spilling out is to fill the filter first and let it sit while you drain the pan. You will notice that the oil has been soaked into the filter. I have even gone as far as adding more to the filter to ensure it's full. To each there own.

Hey, you do what you do, and I do what I do!

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Right on Little Brother. He does what he has to do and I do what I have to do. He is the Baby after all...Gotta Love him....

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We all have our opinions on this subject and some are more pigheaded about the yea's or nay's of prefilling it or not. I say, "A ounce of prevention is worth a pound of cure!" I have been doing it for years and I have noticed that in some cars, knocking as well as the pressure comes up quicker with pre-filling the filter first.
The way to prevent oil from spilling out is to fill the filter first and let it sit while you drain the pan. You will notice that the oil has been soaked into the filter. I have even gone as far as adding more to the filter to ensure it's full. To each there own.

Hey, you do what you do, and I do what I do!

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And as the poll states...three out four of us do it. Notice that not one person has offered up a why not reason other than the chance of spillage, and coming from someone who doesn't do it, how would they know how NOT to spill?

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And as the poll states...three out four of us do it. Notice that not one person has offered up a why not reason other than the chance of spillage, and coming from someone who doesn't do it, how would they know how NOT to spill?

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why beat the subject to death ? you are NOT going to change the mind of those that have their mind made up on the subject .

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Not out to change anyones mind, just find it interesting. Kind of a sharing of experiences/practices/ideas. Oh wait thats Moparts!
I am surprised this thread has continued so long, and yea I am part of the reason--so are you John! Enjoy

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Well, here`s a little tidbit for y`all right out of the FSM for my truck:

(7) Using a new pressure relief valve gasket,
install the relief valve plug. Tighten the plug to 20
N·m (15 ft. lbs.) torque.
(8) Install oil filter that has been filled with oil.

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When I had my turbo Daytona,they told me point blank I'd better prefill it by cranking the engine over with the coil wire grounded. They claimed they had actually replaced some turbos and had seen premature turbo failures due to oil changes when people started them up with dry filters.

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I have to LOL at that. At idle speed the turbine on the turbo is not even spinning, or if it is, it's barely just slightly moving. So unless you change your oil, start the engine up and immediately mash the pedal to full boost, I don't see how you could have a problem. Even then oil would get there so quick you could never do any damage.

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Well, here`s a little tidbit for y`all right out of the FSM for my truck:

(7) Using a new pressure relief valve gasket,
install the relief valve plug. Tighten the plug to 20
N·m (15 ft. lbs.) torque.
(8) Install oil filter that has been filled with oil.

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Is that not from a pump repair section? I believe they want you to do it that way so the crank driven pump does not lose its prime. What does the book state in the maintence section on filter change??

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Well, here`s a little tidbit for y`all right out of the FSM for my truck:

(7) Using a new pressure relief valve gasket,
install the relief valve plug. Tighten the plug to 20
N·m (15 ft. lbs.) torque.
(8) Install oil filter that has been filled with oil.

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Is that not from a pump repair section? I believe they want you to do it that way so the crank driven pump does not lose its prime. What does the book state in the maintence section on filter change??

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Filter is after the pump. Why would it matter?

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BINGO: The filter is after the pump BUT before the oil gets to the bearings from the pump, the filter must first fill so the pump can build pressure to send the oil on to the rest of the engine.

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Man I cant wait till spring, I think we all need to go outside!

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& prime our engines

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Not out to change anyones mind, just find it interesting. Kind of a sharing of experiences/practices/ideas. Oh wait thats Moparts!
I am surprised this thread has continued so long, and yea I am part of the reason--so are you John! Enjoy

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never fill mine ever on hemi or 440, spin on new filter, pull coil wire and turn key. all filled and primed, put back coil wire all done and fire

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never fill mine ever on hemi or 440, spin on new filter, pull coil wire and turn key. all filled and primed, put back coil wire all done and fire

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I do the same thing, I try to wet the filter though. I dont have a 440 anymore but will soon. I fill the filter on the 273 3/4, still pull the coil and turn it over though.

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My intention was not to start such a heated debate.

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Oh it'll get worse, just wait until some of the really earth shattering topics come up. You ain't seen nothing yet

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My intention was not to start such a heated debate.

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Oh it'll get worse, just wait until some of the really earth shattering topics come up. You ain't seen nothing yet

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Not out to change anyones mind, just find it interesting. Kind of a sharing of experiences/practices/ideas. Oh wait thats Moparts!
I am surprised this thread has continued so long, and yea I am part of the reason--so are you John! Enjoy

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that's fine as long as others WANT to hear what one has to say/thinks ...

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Not out to change anyones mind, just find it interesting. Kind of a sharing of experiences/practices/ideas. Oh wait thats Moparts!
I am surprised this thread has continued so long, and yea I am part of the reason--so are you John! Enjoy

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that's fine as long as others WANT to hear what one has to say/thinks ...

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and you post why?

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The same reason as YOU , I like to hear myself talk even though no one else is listening ????

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never fill mine ever on hemi or 440, spin on new filter, pull coil wire and turn key. all filled and primed, put back coil wire all done and fire

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I do the same thing, I try to wet the filter though. I dont have a 440 anymore but will soon. I fill the filter on the 273 3/4, still pull the coil and turn it over though.

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Why in the world do so many people pull the coil wire and crank the engine???? Talk about engine damage, start the darn thing and get that oil pump working asap, plenty of oil left on the bearings. Mopar RB engins have been around since 1959, you think the dealers ever did this in the shop? Have you heard of a bearing failure epidemic?
Better question here is lets talk about when we change the oil, do it on a hot engine, let it drain, then refill it and start it within an hour. Thats how a repair shop does it. Don't wait overnight or longer to refill and start it. And no cold oil changes.

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Not out to change anyones mind, just find it interesting. Kind of a sharing of experiences/practices/ideas. Oh wait thats Moparts!
I am surprised this thread has continued so long, and yea I am part of the reason--so are you John! Enjoy

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that's fine as long as others WANT to hear what one has to say/thinks ...

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and you post why?

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The same reason as YOU , I like to hear myself talk even though no one else is listening ????

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You have a point---see someone WAS listening! Hope I didn't disturb the peace!

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OK so filling the filter won't hurt anything, but it is unnecessary, What did they do in the 60's 70's ? Fill the filter and unplug the coil until oil pressure came up, nope.

You can find a piece of paper telling you to do just about anything. American Dental Association says to floss daily, have you flossed lately?

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So there is nothing benificial about flossing? Poor analogy.

Actually I re-thought that. Thats a great analogy if you're making the point that it is better to pre-oil your filters (even though many don't do it, like flossing)

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Mopar RB engines have been around since 1959, you think the dealers ever did this in the shop? Have you heard of a bearing failure epidemic?

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Add to this most reputable shops fill the filter before installing too.

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They SAY they do.
It's what you want to hear right?

I'll go as far as to say I've NEVER worked in a disreputable place, and have worked in shops that work on very expensive machines....and the number of guys in the trade who do this is virtually non existant.

Do what you want to your car, but the simple fact that cars are out on the road, going 100's of thousands of miles without (or with ) doing this is proof it's a non issue

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On a BB you'll be lucky to get it 1/4 filled. Take the filter and lay it on your bench and you'll see that the oil will drain right out of the outer row of holes.

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never fill mine ever on hemi or 440, spin on new filter, pull coil wire and turn key. all filled and primed, put back coil wire all done and fire

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I do the same thing, I try to wet the filter though. I dont have a 440 anymore but will soon. I fill the filter on the 273 3/4, still pull the coil and turn it over though.

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Why in the world do so many people pull the coil wire and crank the engine???? Talk about engine damage, start the darn thing and get that oil pump working asap, plenty of oil left on the bearings. Mopar RB engins have been around since 1959, you think the dealers ever did this in the shop? Have you heard of a bearing failure epidemic?
Better question here is lets talk about when we change the oil, do it on a hot engine, let it drain, then refill it and start it within an hour. Thats how a repair shop does it. Don't wait overnight or longer to refill and start it. And no cold oil changes.

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Add to this most reputable shops fill the filter before installing too.
As for spinning the engine before firing it is a recommended practice in the engine book to do this after changing the oil after winter lay up as a type of prelube but to do so with the spark plugs removed so that there is very little pressure exerted on the crankshaft bearings and the engine spins faster and freer.

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I've been to 3 Navistar factory engine schools and they warn you never to pre fill a filter because that oil or fuel won't be filtered upon fire up.

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The '81 Mack R686ST I used to drive wouldn't start no matter how long you cranked it. Filled the filter and it was instant!



I guess before putting and engine together you need to filter the oil before installing the pistons? I usually dip them in 50-50 oil and STP.

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I've been to 3 Navistar factory engine schools and they warn you never to pre fill a filter because that oil or fuel won't be filtered upon fire up.

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The '81 Mack R686ST I used to drive wouldn't start no matter how long you cranked it. Filled the filter and it was instant!



I guess before putting and engine together you need to filter the oil before installing the pistons? I usually dip them in 50-50 oil and STP.

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I will raise the bar further...

Do you pre-oil that big dollar engine with an accusump before cold starting??

Accusump

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And if he pre-oils it with Accusump, did he put new oil in the Accusump before cranking, thereby negating the purpose of the Accusump? Or did he NOT pre-oil the Accusump, thereby negating the purpose of changing the oil?!!!

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And if he pre-oils it with Accusump, did he put new oil in the Accusump before cranking, thereby negating the purpose of the Accusump? Or did he NOT pre-oil the Accusump, thereby negating the purpose of changing the oil?

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On a BB you'll be lucky to get it 1/4 filled. Take the filter and lay it on your bench and you'll see that the oil will drain right out of the outer row of holes.

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On high pressure diesel fuel systems, pre-filling the filter is a proven way to introduce dirt. Not recommended. Lube oil systems aren't as sensitive but the same concept applies. Pre-fill is an opportunity to get dirt in the wrong place.

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