Oil Splitter Plug -- 360

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No I haven't missed the point. The point is, just because there is a plug there doesn't mean you have to blindly follow some mantra that it must be removed.

I don't want to argue the point either. It doesn't matter if you do remove the plug as long as you replace it properly but it isn't necessary or mandatory that it be removed because of some very general guidelines that don't 100% apply to Mopars anyway.

What is important is that you are aware it's there and if you hot tank the block in a caustic solution you should probably remove it before, but you should definitely replace it after afterwards.
 
Guitar, I'm not sure why you're so adamant about leavng it in. Basic cleaning of a block before assembly means every passage all the way thru. That's the "mantra" everyone follows. Especially any oil passage. It's there because of the way the rest of the passages were drilled. You're right. But it's a place for debris to collect during running, and block machining, and the only way to clean it out is to run a brush from top to bottom, and front to back, to clean it out. Also, I'll have to look to be sure, but I'm pretty sure most Mopar specific books have a note about removing it, and making sure it's put back. I guess I'll happily disagree with you on that one...:)
 
Because more problems are caused by removing them and not replacing them properly than if they had just been left alone. Chrysler does not recommend they be removed for cleaning, only the caution of the caustic hot tank solution. They are also supposed to be put back with stud and bearing mount Loctite. How many of those do you know of that were done that way.

A professional machinist may be one thing but then this thread was started because a professional didn't do it right wasn't it?
 
GJ is right, it does not need to be removed to clean a block correctly, but some machine shops will remove it thinking they need to so it is always a good idea to check before assembly.


Chuck
 
I dont think you guys ever used an airless shot cabinet before...or ever tore down a small block Ford with the small pressed plugs and pipe plugs in the oil passages. If Chrysler says dont, I'll tell them they're wrong too...Their performance guys say otherwise. At least it's implied the plugs were removed prior to cleaning. MP p/n P5249704 "Mopar Engines" has this in bold.."Caution: the oil passage to the filter at the side of the block is a drilled hole.The output oil to the filter and the return oil from the filter are seperated by a pressed in plug. Be sure this plug is pressed into the pre-drilled hole until it bottoms out solidly." If they are pressing one in, I'dtake it to mean one was removed fromt he core block. The more recent Big Inch Mopar Small Blocks by Jim Szilagyi says "...the engine was completely disassembled and cleaned. All of the filing and moddifications got the block dirty, and it needed cleaning before final assembly." The first picture in the next section on fianl assembly is the small plug, and is captionned "The small cup plug was installed in the oil galley just above the oil pump. This plug is easy to forget, but it forces the oil to go thru the filter." Those are references I can find quick. I have found, as I said, two plugs stacked on on top of the other, because the previous builder missed it. I also found black nasty goo trapped there. No black nasty goos for my engines!
 
moper said:
I dont think you guys ever used an airless shot cabinet before...or ever tore down a small block Ford with the small pressed plugs and pipe plugs in the oil passages. If Chrysler says dont, I'll tell them they're wrong too...Their performance guys say otherwise. At least it's implied the plugs were removed prior to cleaning. MP p/n P5249704 "Mopar Engines" has this in bold.."Caution: the oil passage to the filter at the side of the block is a drilled hole.The output oil to the filter and the return oil from the filter are seperated by a pressed in plug. Be sure this plug is pressed into the pre-drilled hole until it bottoms out solidly." If they are pressing one in, I'dtake it to mean one was removed fromt he core block. The more recent Big Inch Mopar Small Blocks by Jim Szilagyi says "...the engine was completely disassembled and cleaned. All of the filing and moddifications got the block dirty, and it needed cleaning before final assembly." The first picture in the next section on fianl assembly is the small plug, and is captionned "The small cup plug was installed in the oil galley just above the oil pump. This plug is easy to forget, but it forces the oil to go thru the filter." Those are references I can find quick. I have found, as I said, two plugs stacked on on top of the other, because the previous builder missed it. I also found black nasty goo trapped there. No black nasty goos for my engines!
Click to expand...


First of all you shouldn't assume anything. You have no idea of our experience or qualifications. Secondly I don't give a rat's *** about the small block Ford. That's my point. What must be done for one engine is not necessarily what must be done for another.

Thirdly neither of your references said to remove the plug. One just had the caution to make sure the plug was there (implying it probably wasn't removed by the builder) and the other didn't say why it was being installed. Could it have been hot tanked? Hmm, maybe, but we are not getting the full story.

So please if you want to remove the plug to clean then be my guest. Have fun, but stop misleading others that it is something that MUST be done or your engine will meltdown into a pile of molten lava.

If that's your opinion fine, mine is different.

BTW I've talked to Jim Szilagyi before and I have his work phone number.
 
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