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  #31 (permalink)  
Old 03-17-2012, 04:43 AM
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Quote:
Originally Posted by foggdog View Post
posted a thread on xl forum

Thanks My Man, I appreciate it. I wish I was a little earlier on firing this thing up and realizing the pump issue, there was a new Pro-Flow pump being sold on HDRA a fellow was selling in the classifieds on 03/03/2012, it sold almost immediately. There was another one last november too.
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  #32 (permalink)  
Old 03-17-2012, 06:12 AM
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Quote:
Originally Posted by duhfactor View Post
Thanks My Man, I appreciate it. I wish I was a little earlier on firing this thing up and realizing the pump issue, there was a new Pro-Flow pump being sold on HDRA a fellow was selling in the classifieds on 03/03/2012, it sold almost immediately. There was another one last november too.
Damn that blows, no answer on xl forum yet
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  #33 (permalink)  
Old 03-17-2012, 06:20 AM
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Pro-Flow 4-Stage Oil pump Racing XL mdls
dont know about this, check it out
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  #34 (permalink)  
Old 03-17-2012, 06:24 AM
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http://xlforum.net/pp_classified/sho...hp?do=bloglist
posted 2 yrs ago, shit!
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  #35 (permalink)  
Old 03-17-2012, 10:07 AM
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Quote:
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Pro-Flow 4-Stage Oil pump Racing XL mdls
dont know about this, check it out

Wow, didn't see that site. I sent them an e-mail to inquire. Cross my fingers!
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  #36 (permalink)  
Old 03-18-2012, 08:25 PM
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I think I might have found a significant contributor to my oiling problem. It lies in the style of pump I have. I'll post some pics when I can get them uploaded, and see what you think.
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  #37 (permalink)  
Old 03-18-2012, 08:45 PM
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I went over to the HD dealership saturday, and checked out a 91-98 sportster oil pump that I heard others using on forums. Apparently, it's a pretty good pump. I wanted to see if the size, driven gear, bolt pattern, snout length, etc were the same as the pump I had (86-90 sporty pump that is called for). If so, I was considering running the newer pump. As I looked at it, I noticed that there was a scavenge port on the snout which holds the pump shaft, that would drain the cam well. My older pump, doesn't have one of these. When I took the 86-90 pump out of the motor tonight, 1-2 quarts of oil drained out of the cam well. The bike has been sitting for a week, and there was no place for the oil to drain. I think that the older style pump doesn't scavenge from the cam well, and there is no communicating pathway between the cam well, and the crank case. As a result, oil backs up into the pushrod tubes, and spills over into the head, then drains back into the case, which doesn't evacuate well with the older pump. I'm going to find out about the 07' buell pump, which is better still, (much larger scavenge geroter gearing, smaller supply gear) and if it fits, and has the scavenge port for the cam well, may give it a try. Thoughts?



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  #38 (permalink)  
Old 03-19-2012, 07:31 AM
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is the shaft gear and the length the same as the 86-90 ?
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  #39 (permalink)  
Old 03-19-2012, 07:46 AM
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Quote:
Originally Posted by duhfactor View Post
Wow, didn't see that site. I sent them an e-mail to inquire. Cross my fingers!
Hear anything from them?
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  #40 (permalink)  
Old 03-19-2012, 11:52 AM
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Quote:
Originally Posted by foggdog View Post
Hear anything from them?
I just got an e-mail, sure enough, can't get them anymore. I did talk to Rob, and e-mailed him my pictures of the 86-90 style pump I have, and that it doesn't have a scavenge port for the cam side, and he told me that for sure that is my problem. He assumed I had the later pump, the 91-98 pump. And yes, they are compatible, the main difference is the later pump has a larger scavenge gear, and a port to suck oil frm the cam well/block. As a result, I have ordered the 2007 buell pump, part number 26357-02. This pump has the largest scavenge gear, and is the best sportster style pump available production. I've ordered it through Rob, and we'll talk tomorrow to see if it needs to be modified at all. I will have to modify my frame for it to fit, but that's o.k., we'll get er' done. I want to ride it already

Thanks for helping me in the search bro, we'll see if this thing works or not.
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  #41 (permalink)  
Old 03-19-2012, 03:44 PM
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Quote:
Originally Posted by duhfactor View Post
I just got an e-mail, sure enough, can't get them anymore. I did talk to Rob, and e-mailed him my pictures of the 86-90 style pump I have, and that it doesn't have a scavenge port for the cam side, and he told me that for sure that is my problem. He assumed I had the later pump, the 91-98 pump. And yes, they are compatible, the main difference is the later pump has a larger scavenge gear, and a port to suck oil frm the cam well/block. As a result, I have ordered the 2007 buell pump, part number 26357-02. This pump has the largest scavenge gear, and is the best sportster style pump available production. I've ordered it through Rob, and we'll talk tomorrow to see if it needs to be modified at all. I will have to modify my frame for it to fit, but that's o.k., we'll get er' done. I want to ride it already

Thanks for helping me in the search bro, we'll see if this thing works or not.
Yeah, a guy on the xl buell forum just said the 07' buell xb pump is the 1 u want.
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Last edited by foggdog; 03-19-2012 at 03:46 PM..
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  #42 (permalink)  
Old 03-19-2012, 03:53 PM
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A few questions; Was the motor built for dragging or street use? There's a big difference in how the cylinder clearances are bored and have you seated the rings yet? Another question; On a stroker, you got to re-time the breather valve for the bigger stroke or it'll puke like a bitch.
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  #43 (permalink)  
Old 03-22-2012, 08:33 PM
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A few questions; Was the motor built for dragging or street use? There's a big difference in how the cylinder clearances are bored and have you seated the rings yet? Another question; On a stroker, you got to re-time the breather valve for the bigger stroke or it'll puke like a bitch.

The motor was built by Kendall Johnson, and according to them, all those things were considered and done.

Rob, over at 2 Boss performance, who after calling and talking to a shit load of folks, is the Delkron guru. He's walked me through this one, and when I showed him my pump, was sure that was my problem. He used to modify the 91-98 pumps by making a thicker spacer and cutting down the width of the supply geroter. The 07 buell pump has done the same thing, except uses a standard width spacer, and made the scavenge gear thicker, so it has more suction in the cam well. I've ordered the pump from my local Harley dealer, and should be here tuesday.

This pump is taller, so I might have to modify my frame to get it to fit, but oh well, I just finished painting it. I'm pretty confident this will fix the problem. I guess we'll see.
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  #44 (permalink)  
Old 03-22-2012, 08:36 PM
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Oh, the motor really was built for spirited street riding. The motor has only a few minutes on it, so the rings really haven't been seated yet. I had a quart of oil run out of the cam block when I removed the pump, no suction port on the 86-90 style pumps in the cam well.
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  #45 (permalink)  
Old 09-11-2017, 07:38 AM
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It's been forever since I posted here..... The Buell pump fixed the problem, however I'm sad to say that the original builder didn't set up the cam end play correctly (too tight) so after some time.... the outer washers came apart and pieces got sucked into the scavenge side of the oil pump, and grenaded the inside.... no oil pressure, and damaged the cylinders... so, it's torn down, and getting fully built again, but I'm in charge this time, and it's going to be done right..... So glad I posted this so that I could find the part number again.
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