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XR Sportster Motorcycle Talk - XR750, XR1000, XR1200 For XR Sportsters: XR750, XR1000, XR1200

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  #11  
Old 5th February 2012
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German61xlch German61xlch is offline
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Originally Posted by matsoberg View Post
My first thought and maybe what is done here, but my understanding is Andreas switched the whole unit (as of his text)? Wouldnīt mind getting one if itīs an original XLCR unit!
Yes, this is an original XLCR unit. I bought it from a friend in US, because I īd like to keep all original parts unchanged for any reason in the future. But basically you can grind, switch and reweld the original one.

Best,
Andreas
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  #12  
Old 5th February 2012
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Originally Posted by German61xlch View Post
a.f.a.i.r. around 500,-
You can ask Black Widow Cams, these cams should be still available...
Did they give you the specs and or graphing of the lobes over 720* on these?
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  #13  
Old 5th February 2012
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German61xlch German61xlch is offline
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Did they give you the specs and or graphing of the lobes over 720* on these?
No, I just try it. Seems to be a guy with lots of experience and selling these cams for years. As he told me these should be better than the original HD-E-cams.
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  #14  
Old 9th February 2012
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Originally Posted by German61xlch View Post
No, I just try it. Seems to be a guy with lots of experience and selling these cams for years. As he told me these should be better than the original HD-E-cams.
I have been trying to get him to let me know the specs of these "E" cams
What are the HD specs and at what lift are they taken?.
All he said was they are HD Specs w/ a broader nose radius?
Have you done the head work to make these fit?
Do you know what to set the TDC clearance to?
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  #15  
Old 9th February 2012
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German61xlch German61xlch is offline
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These did fit without any mods. Bolt on...
The specs of the original HD E-cams I ve seen sometimes ago in the www, but cant remember exactly where.
Will tell you more after a first ride.
A
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  #16  
Old 10th February 2012
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Originally Posted by German61xlch View Post
These did fit without any mods. Bolt on...
The specs of the original HD E-cams I ve seen sometimes ago in the www, but cant remember exactly where.
Will tell you more after a first ride.
A
Finally got the specs from the guy at Blackwidow, after he was somewhat rude... anyway.
He said the lobe had a broader nose than factory E ....
I am not familiar w/ XR1000's head setup, but the TDC lifts on theses lobes are getting pretty radical, be cautious!

BW XR 1000 E CAMS
.444"/.444"
267*/269*
33/54 tdc .257
65/24 tdc .200
@.060"
Price is $525.00 + tax + freight
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  #17  
Old 10th February 2012
matsoberg matsoberg is offline
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Chevelle

Here are the specīs I got from Jerry Branch with my set of Sifton E-cams in 1989. I ws told this was the numbers of the originals.

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  #18  
Old 10th February 2012
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Chevelle

Here are the specīs I got from Jerry Branch with my set of Sifton E-cams in 1989. I ws told this was the numbers of the originals.

Thanks matsoberg,
Those TDC #'s look closer to bolt in.
So it seems that blackwidow or whoever they got the cams from has drastically changed the after spec lobe profile. The TDC lifts are pretty radical..... Be careful w/ these blackwidow socalled "E" XR cams.
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  #19  
Old 10th February 2012
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German61xlch German61xlch is offline
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thanks for the numbers and the advise, I will doublecheck it....
Talk to you soon
A
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  #20  
Old 11th February 2012
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Originally Posted by German61xlch View Post
thanks for the numbers and the advise, I will doublecheck it....
Talk to you soon
A
Also when you get it running, you may need to experiment lashing the valves
(especially w/ these Blackwidow "E"'s)
On page 19 of Branches booklet, he explains this.

http://www.xr1000.de/external/manuals.html
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