Lifters?
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Outstanding HDF Member
Joined: Sep 2008
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From: pottsville,pa
Lifters?
Well long story short, had some more tuning done on the bike and had to stop cause the motor started to make some noise. They didn't tear into it yet, but first thought was lifter failure. I don't know the extent of damage but I'm already looking into aleast a new set of lifters to start. So I was curious what everyone is running in their built motors? I'm looking at headquarters "black opts" lifters as well as woods new "directional" lifters. I know a few guys that are running the black opts lifters and swear by hq's parts as being some of the best money can buy, but I don't know of anyone running the woods. Most guys I know run stock, but a couple did have problems with them also. Money isn't an issue as long as it's a quality part and performs like it's suppose to. So whats everyone running?
Hydraulic lifters actually pump up with oil pressure, and to fail they simply do not pump up (remain collapsed).
source = http://protwin.com/blackopslifters.aspx
A few facts about lifters. There is an expression in the lifter industry. Hydraulic lifters are the best oil filters on the market. In simple terms, that means dirt can get in a lifter through the oil feed, but cant get back out. A lifter will capture dirt particles as small as 1 micron. A top quality fine oil filter only captures dirt 5 microns or larger. So clean engine assembly is a must. Over 90% of failed lifters are a result of dirty oil. Wear as fine as 50 millionths of an inch (that is 1/2 of 1/10th of ONE thousanth of an inch can make a lifter fail. And it takes only seconds. Clean engine assembly, clean oil and priming of the lifters before initial start up is essential.
source = http://protwin.com/blackopslifters.aspx
A few facts about lifters. There is an expression in the lifter industry. Hydraulic lifters are the best oil filters on the market. In simple terms, that means dirt can get in a lifter through the oil feed, but cant get back out. A lifter will capture dirt particles as small as 1 micron. A top quality fine oil filter only captures dirt 5 microns or larger. So clean engine assembly is a must. Over 90% of failed lifters are a result of dirty oil. Wear as fine as 50 millionths of an inch (that is 1/2 of 1/10th of ONE thousanth of an inch can make a lifter fail. And it takes only seconds. Clean engine assembly, clean oil and priming of the lifters before initial start up is essential.
I was looking for more information, but that is the basics of it, and about what all of the other pages I have viewed say. Seen it many times when we were racing dirt track cars, first I ever heard of it on a bike, but it is possible.
Pimp. I'm getting ready to tear into my engine and have been looking at everything from:
Feuling = Overpriced
Andrews = Meh
S&S = Pricey
OEM = Noisy
But those black ops ones look pretty sweet. I'm interested in what everyone is saying.
Feuling = Overpriced
Andrews = Meh
S&S = Pricey
OEM = Noisy
But those black ops ones look pretty sweet. I'm interested in what everyone is saying.
Thread Starter
|
Outstanding HDF Member
Joined: Sep 2008
Posts: 2,408
Likes: 1
From: pottsville,pa
Hydraulic lifters actually pump up with oil pressure, and to fail they simply do not pump up (remain collapsed).
source = http://protwin.com/blackopslifters.aspx
A few facts about lifters. There is an expression in the lifter industry. ‘Hydraulic lifters are the best oil filters on the market’. In simple terms, that means dirt can get in a lifter through the oil feed, but can’t get back out. A lifter will capture dirt particles as small as 1 micron. A top quality fine oil filter only captures dirt 5 microns or larger. So clean engine assembly is a must. Over 90% of failed lifters are a result of dirty oil. Wear as fine as 50 millionths of an inch (that is 1/2 of 1/10th of ONE thousanth of an inch can make a lifter fail. And it takes only seconds. Clean engine assembly, clean oil and priming of the lifters before initial start up is essential.
source = http://protwin.com/blackopslifters.aspx
A few facts about lifters. There is an expression in the lifter industry. ‘Hydraulic lifters are the best oil filters on the market’. In simple terms, that means dirt can get in a lifter through the oil feed, but can’t get back out. A lifter will capture dirt particles as small as 1 micron. A top quality fine oil filter only captures dirt 5 microns or larger. So clean engine assembly is a must. Over 90% of failed lifters are a result of dirty oil. Wear as fine as 50 millionths of an inch (that is 1/2 of 1/10th of ONE thousanth of an inch can make a lifter fail. And it takes only seconds. Clean engine assembly, clean oil and priming of the lifters before initial start up is essential.
Last edited by red devil; Jul 17, 2010 at 08:52 PM.
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Yes, I hope it is just the lifters. As said I seen it many times in the dirt track and just guessing 99.9% of the time it was more, like the cam and rocker arms. If the lifter failed to pump up it could allow the push rods to walk (wallow), keep us posted and for sure let us know what you did to fix it.
The black opts lifters got good reviews, I might change mine if I ever get to save enough $$$ to do another cam swap.
The black opts lifters got good reviews, I might change mine if I ever get to save enough $$$ to do another cam swap.
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Might want to wait and find out what exactly is the problem is before you condemn the lifters. Do you have adjustable push rods?
Is there a problem with H-D lifters? I Have not read too many posts on lifters failing and off hand I don't know anyone who has had a lifter fail in the last several years, not saying it does not happen as any part has the potential to fail.
I hope it is nothing serious.
CB
Is there a problem with H-D lifters? I Have not read too many posts on lifters failing and off hand I don't know anyone who has had a lifter fail in the last several years, not saying it does not happen as any part has the potential to fail.
I hope it is nothing serious.
CB
Last edited by NoLongerAmember; Jul 17, 2010 at 09:30 PM.
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Ain't nothing wrong with the HD "B" lifters.
I run Crane 10530 lifters for a small block Chevy in my Twin Cam. They are the exact same lifter as the one Crane markets for a HD, just with a different part number and lower price.
I run Crane 10530 lifters for a small block Chevy in my Twin Cam. They are the exact same lifter as the one Crane markets for a HD, just with a different part number and lower price.