My manual states to put in 3 quarts when the engine is dry. If changing oil only put in 2 1/2 quarts. Everytime I change the oil and put in 2 1/2 quarts it brings it right up to the full line when I check it hot.
So it looks like a half quart of old oil is still in there. Who gives a damn? I'm not eating out of the damn thing.
It ain't gonna hurt it, spend your money on something else.

 

Waste of time.

 

Not that important to me. I change oil at 2500 miles on the bikes, use a good synthetic, with a premium filter. Sometimes enough is enough.

 

I use the Scavenger, it does remove 28 to 32 oz. of dirty oil that would be left in your engine. That being said there are lots of posters on this forum that for some unknown reason do not like the Scavenger and will argue with you about it until they are blue in the face. They are, for the most part the same type of people as those that think the earth is flat. It does no good to argue with them and it is a total waste of time, they will never believe what is blatantly obvious and they will never get over their irrational hatred of the Scavenger. I changed my oil this morning and pumped out approx. a quart of nasty oil, but it never happened, get used to it. It is a huge pile of BULL CRAP!

 

Life is short. Go for a ride and stop worrying about a few ounces of slightly used oil.

 

Since I have a Dyna I can only speak to their oiling systems, but it doesn't actually cost a penny more than half a quart of oil to get the last dirty oil out. I drain the tank, spin off the filter, refill the tank and stick a piece of cardboard under the filter housing. I then shove my a cheap plastic bowl under the cardboard and idle the bike for 10 or 15 seconds, or till the oil runs clean. Its not like oil comes flying out of the bike like a fire hose. It just very slowly pumps out of the filter housing and drains into the bowl. Then I spin on a new filter and add a half quart of oil to the tank and call it a day. I'll say this to those who have not tried it, my oil really does stay cleaner for a heck of a lot longer now that I do this.

 

What he said. I've been scavenging for several years now.
If you change your own oil, it's a minute or two longer.

 

Question, I don't have a Scavenger for oil changes, but does the scavenger require you to run the motor for a short period without a filter also?

If it does the idea of doing it the way without the puck seems to do the same thing if you're that worried about the last few oz's of oil........

 

You do understand that Touring bikes and Dyna's have an oil pan which is more likely to have all the old oil in it. A Softail is a dry sump that the oil is pumped up into the oil bag. It would be very likely that some old oil is still in the sump but 1 quart is ridiculous.

I have done many changes on my 07 (bought in Aug. 06). After changing and going for a short ride, I have never seen the oil over the full mark.

Even at that the few ounces that remain is totally insignificant to the engine and its life cycle.

Scavenging is one of those "feel good" , "cheap insurance" and "peace of mind" things that are wholly without merit or substance. But it is one's machine so have at it. Do what you do.

 

Dirty oil WILL pump out of that spigot somewhere in the vacinity of 1/2 a quart before it turns clear. That is dirty oil that would otherwise be pumped right back in the tank. Is it that big a deal, no. But it does happen.

At least on Dyna's.


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