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View Results: What is your Favorite BumpStick?
I have a 296, no reason to have any other 4 26.67%
I have a 308, and It's a kinda MAGIC! 2 13.33%
I have a 320 SYMMETRIC, Love it! 1 6.67%
I have a 320 ASSYMETRIC (IE Siebenrock, MI, et al), It's the Shiznit! 4 26.67%
I have a 324, It's the Cat's Meow! 0 0%
I have a 330, why would I want anything else! 0 0%
I have a 332, I am in Nirvana! 0 0%
I have a 336, It's the Bee's Knees! 5 33.33%
I have a 340, and it's the Bomb! 0 0%
I have a 344, and it's a Stairway to Heaven! 0 0%
Multiple Choice Poll. Voters: 15. You may not vote on this poll

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Old 04-15-2013, 06:43 PM   #46
R-dubb
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Lacking real data, it will be real helpful if those who vote give us little run down. What was that application, other relevant mods and how did it feel on the ass dyno.

Here's mine:

I used the Siebenrock asymmetrical cam on a '93 R100GS. Mildly ported, very fresh, big valve heads, SJ BMW 1050 kit (9.5:1), 40mm Bings, K&N in stock airbox, dual plugs, Staintune open pipe with small headers.

Power was good throughout the range with a very strong finish and loads of headroom above redline. Too much, as there was no topping out to cause an urge to downshift. Fortunately, you could feel a little flutter at about 9500, which warned of eminent doom. I had no issue with low end grunt. I also used the bike many times offroad and could lob along at will. Took it on the track once for a BMW track day. Way faster than all the other airheads present. Held it's own with the 1150's. Got blown away by the K1200R's, go figure.

It did have a somewhat erratic idle and would sometimes quite for no reason. This was likely not solely the cam's fault imo. More likely all of the above given a moderately high flow volume engine.

I would happily use that cam again, especially in dual sport or urban applications. Would it work well in a stock motor? I have no idea, but I don't see why not.
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Old 04-15-2013, 06:51 PM   #47
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Les_Garten screwed with this post 04-15-2013 at 10:42 PM
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Old 04-15-2013, 07:25 PM   #48
Lornce
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Originally Posted by supershaft View Post
Yes I am trying to help. I am very much in the cam market and would love to see some USABLE info. That I am sounding like a broken record because so far we haven't seen much useable info. Most cam comparisons START with comparable specs. No I am not trolling. There are a number of us here that have a lot of experience with 336's and would love to have some comparable specs. Plus there are a number of us that have 320's and whatnot that might want to time their cams, or maybe even compare them to 336's. To do that in any repeatable and meaningful way tuning wise, you need specs with a lift check point. There was that ONE guy in the cam thread that said he was going to come up with some for a couple. He hasn't shown up again yet. It IS a lot of work!

Should I start playing with your name? It is against the rules I believe. It is a lot easier than coming up with comparable specs, that's for sure.
Supershaft can be a prickly fellow, but he's making good points regarding useful cam timing, lift and duration information.

I wish we had more of it and less marketing hype. "Asymetrical" sounds cool and technical, but I guarantee you most folks have no idea wtf it refers to.

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Old 04-15-2013, 07:39 PM   #49
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Les_Garten screwed with this post 04-15-2013 at 10:42 PM
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Old 04-15-2013, 08:00 PM   #50
Lornce
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Oh, I see.

So, what exactly is it regarding cams that you want to see discussed here.

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Old 04-15-2013, 08:33 PM   #51
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Oh, I see.

So, what exactly is it regarding cams that you want to see discussed here.

Apparently more pages of the same BS minus yours truly (and occasionally others) pointing out that mostly we need useable, comparable specs to meaningfully discuss comparing cams. All because some of us really would like to compare cams without buying every one of them made. What a horrible rant!
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Old 04-15-2013, 08:36 PM   #52
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Old 04-15-2013, 09:25 PM   #53
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So what are you doing with this poll and others , planing on putting a motor together based on popular opinion?
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Old 04-15-2013, 09:47 PM   #54
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So what are you doing with this poll and others , planing on putting a motor together based on popular opinion?
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Old 04-15-2013, 09:56 PM   #55
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Old 04-15-2013, 10:08 PM   #56
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Old 04-15-2013, 10:30 PM   #57
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So what are you doing with this poll and others , planing on putting a motor together based on popular opinion?
Exactly. I didn't vote in the poll because I couldn't figure out how it would help any of us compare cams.

I am trying to be disruptive? No. I am trying to find some good info for comparing cams in this thread or any of the others.

Numerous people that have bought and are running Schleicher cams have said that Scheicher will give specs with a lift check point if you ask. I don't own one. I was hoping someone that did would get the info so we could all compare specs from different cam sources. RG, for instance: he lives in Germany, apparently knows half the people involved and has bought a couple of them if I remember right? I was hoping it could be just one quick E-mail for someone like that and we would all have specs for all the cams with a 2mm check point. It would be great. Then we could compare cams without saying a word.
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Old 04-16-2013, 01:45 AM   #58
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Originally Posted by supershaft View Post
RG, for instance: he lives in Germany, apparently knows half the people involved and has bought a couple of them if I remember right? I was hoping it could be just one quick E-mail for someone like that and we would all have specs for all the cams with a 2mm check point. It would be great.
I do have a considerable amount of data regarding alle the cams listed.
Trying to provide data here has been nothing but a waste of time so far.
And one thing's for sure, I won't provide even last year's weather forecast to people calling me Google fueled nazi.

You're all grown up, help yourself.
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Old 04-16-2013, 02:35 AM   #59
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Most who bang on about cams couldn't use the full potential of a stock cam.
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Old 04-18-2013, 01:09 PM   #60
R-dubb
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Most who bang on about cams couldn't use the full potential of a stock cam.
I count myself in that group, but let's not judge personal motivations. Aside from vintage racing, the whole idea of going fast on an airhead is preposterous.

I do it just because. Because I can. I know enough to tune a boxer into something that is way more satisfying than before. The mods I choose and implement, with my own hands, turn into a sweet running motor that will put a big grin on my face every time I twist the thottle and feel whatever it is we like to feel about going a little faster, a little more easily than before. There's a lot of pride tangled up in there.

Just guessing, but something tells me I'm not alone.
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