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Old 10-15-2008, 07:03 PM   #1
Anorak OP
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BMW 336 cam

I have a part #11311337843 sitting here brand new with the matching oil pump rotor. From what I can tell it fits /6 with points ignition. I'm under the impression that at some point in the /5 era the seal size changed. Okay, it looks like this is the large seal version. Anyhow, anybody have an idea of what it's worth?

p.s. It looks like the small seal and post 1980 electronic ignition versions are available from Moteren Israel for 229 and 149 Euro respectively.
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Old 10-15-2008, 09:59 PM   #2
Hawk Medicine
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As of a month ago, those parts were available through BMW USA.

Contact then and check the price or look it up online.
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Old 10-15-2008, 11:04 PM   #3
Crush
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What is the significance of a 336 cam?

Is it a performance cam?

Thanks, Dennis
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Old 10-15-2008, 11:25 PM   #4
kbasa
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Quote:
Originally Posted by Crush
What is the significance of a 336 cam?

Is it a performance cam?

Thanks, Dennis
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Old 10-16-2008, 12:14 PM   #5
Crush
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Is a 336 cam something I should consider during my rebuild of my 1974 R75/6?

FB, when you figure out what you have and what you want for it, would you drop me a PM?

Thanks, Dennis
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Old 10-16-2008, 12:55 PM   #6
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With an otherwise stock engine, the major benefits of a 336 cam addition will be poor idling and decreased gas mileage.
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Old 03-22-2009, 12:23 PM   #7
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Quote:
Originally Posted by Anorak
I have a part #11311337843 sitting here brand new with the matching oil pump rotor. From what I can tell it fits /6 with points ignition. I'm under the impression that at some point in the /5 era the seal size changed. Okay, it looks like this is the large seal version. Anyhow, anybody have an idea of what it's worth?

p.s. It looks like the small seal and post 1980 electronic ignition versions are available from Moteren Israel for 229 and 149 Euro respectively.
Chicago BMw will sell you a 336 cam for $157.00 and delivery of mine took two weeks, like everything else fom them.

If you want to sell your cam and it's truly NOS, I'll pay you the cost of a new BMW cam, plus shipping, maybe a bit more 'cause it might save me a bit of machining.

While the currently available cams don't have the small seal diameter or the points tip, it is possible to run the later timing cover with the current cam and benefit from the ability to use a bean can as backup or , with some machining, you can do the same thing with the stock smooth chain cover.
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Old 03-22-2009, 01:11 PM   #8
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Quote:
Originally Posted by mymindsok
Chicago BMw will sell you a 336 cam for $157.00 and delivery of mine took two weeks, like everything else fom them.

If you want to sell your cam and it's truly NOS, I'll pay you the cost of a new BMW cam, plus shipping, maybe a bit more 'cause it might save me a bit of machining.

While the currently available cams don't have the small seal diameter or the points tip, it is possible to run the later timing cover with the current cam and benefit from the ability to use a bean can as backup or , with some machining, you can do the same thing with the stock smooth chain cover.
Actually, $157.00 is LISt price, so knock off 20% and save a bunch.
But as far as I'm concerned, Chicago BMW takes WAAAY to long to deliver.
Robert
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Old 03-22-2009, 03:15 PM   #9
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Quote:
Originally Posted by wirewrkr
Actually, $157.00 is LISt price, so knock off 20% and save a bunch.
But as far as I'm concerned, Chicago BMW takes WAAAY to long to deliver.
Robert
Gadzooks!!! Youre right again...!

A quick check of my receipt, tells the tale and I only paid $125.90 for that cam. Heck, for that kinda price I should buy another one! I fully expect these to be discontinued shortly and I will need one for the R-100 mill I've been saving.

I don't like waiting for parts any better than anyone else but a 20% discount just happens to be 20% saved and sometimes I don't need my parts "like right now!" Add in your 'home field advantage' () and we're playing in different leagues!
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Old 03-22-2009, 07:11 PM   #10
AntonLargiader
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Quote:
Originally Posted by mymindsok
A quick check of my receipt, tells the tale and I only paid $125.90 for that cam. Heck, for that kinda price I should buy another one!
Did you see the used one on IBMWR for $250?
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Old 03-22-2009, 08:32 PM   #11
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"I have one over pistons in my 79 R100T now..not a 1050 but pretty close 1028 rebuilt 40mm bings free flowing exhaust and drilled airbox."

I hate to break this to you, but "one over" (.25mm) yields a whopping 984.5cc.
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Old 03-22-2009, 09:00 PM   #12
Hawk Medicine
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Quote:
Originally Posted by AntonLargiader
Did you see the used one on IBMWR for $250?
Yeah!

It seems as if theres a rumor going around that the 336's are no longer available, so some folks are willing to pay through the nose to get one.

(Hey! Now THERES a market that ripe for the picking! "Found in an old dealers warehouse!!! NOS 336 cam. Discontinued by BMW but you can have this one for only $500. My loss = your gain!")
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Old 03-22-2009, 04:36 PM   #13
Anorak OP
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Quote:
Originally Posted by wirewrkr
Actually, $157.00 is LISt price, so knock off 20% and save a bunch.
But as far as I'm concerned, Chicago BMW takes WAAAY to long to deliver.
Robert
Are you talking about this. Maybe you mean a different Chicago BMW.
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"they live off the carrion of our mutual distrust and bribe us with symbols that equate hatred with manhood."

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Old 03-22-2009, 09:16 PM   #14
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Quote:
Originally Posted by Anorak
Are you talking about this. Maybe you mean a different Chicago BMW.
No, the part number you have is for the 09/75-09/78 engine. It is NLA from BMW. The one I was taliking about at $157.00 and change is currently available and fits the 1979-1995 airhead engines. ALL of them.
except of course the R65, it may bolt in but doubt it would run well due to the extreme angles of the followers etcetera.
Robert
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Old 03-22-2009, 10:27 PM   #15
Anorak OP
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Quote:
Originally Posted by wirewrkr
No, the part number you have is for the 09/75-09/78 engine. It is NLA from BMW. The one I was taliking about at $157.00 and change is currently available and fits the 1979-1995 airhead engines. ALL of them.

Robert
The part number I have is the camshaft that is sitting right next to me unused in the original anti-corrosion paper.
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