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clearancing cam, and case
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Birdmanhere
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PostPosted: Tue Jun 06, 2006 9:49 am    Post subject: clearancing cam, and case Reply with quote

should i attempt to do this my self?
is it really that difficult if you have a good background in metal work/body work and engine work?
or should i leave it to the pros?
case is a new as41 and it is a cb 82 crank
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Birdmanhere
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PostPosted: Tue Jun 06, 2006 11:48 am    Post subject: Reply with quote

come on... wheres the help
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keifernet
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PostPosted: Tue Jun 06, 2006 11:57 am    Post subject: Reply with quote

Birdmanhere wrote:
come on... wheres the help


Geez...only been a couple hours Rolling Eyes

Not everyone who has the knowledge or is willing to post up is here 24-7 Wink

With that said 82 stroke can require alot of clearancing... I would leave it to a pro who has done it many times before...
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Last edited by keifernet on Tue Jun 06, 2006 11:59 am; edited 1 time in total
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turboblue
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PostPosted: Tue Jun 06, 2006 11:57 am    Post subject: Reply with quote

Don't be so impatient. Your post was only up two hours...... Cool

What rods do you have?
CB's H-beams require very little at the cam.

I just did one and took about .040" off between the lobes and squared off the back of cam thrust bearing area.
Be sure to leave a nice radius on that cut.

Case requires quite a bit, leave that to someone who has done one before.
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Birdmanhere
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PostPosted: Tue Jun 06, 2006 12:01 pm    Post subject: Reply with quote

thanks guys i was just testing you on the time for a response post on here
yes the rods ar cb super race H beams
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PostPosted: Tue Jun 06, 2006 12:04 pm    Post subject: Reply with quote

Birdmanhere wrote:
thanks guys i was just testing you on the time for a response post on here
yes the rods ar cb super race H beams


10:57( what my computer says for post times CST).... looks like a tie Gary! Razz Laughing

If Gary says it's not that big a deal with those rods then go for it... he does this for a living... me I'm just a hack Embarassed Shocked Laughing
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turboblue
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PostPosted: Tue Jun 06, 2006 12:08 pm    Post subject: Reply with quote

keifernet wrote:
Birdmanhere wrote:
thanks guys i was just testing you on the time for a response post on here
yes the rods ar cb super race H beams


10:57( what my computer says for post times CST).... looks like a tie Gary! Razz Laughing

If Gary says it's not that big a deal with those rods then go for it... he does this for a living... me I'm just a hack Embarassed Shocked Laughing


The cam is not that big an issue, the case is could be another thread in itself......... Wink
I order mine pre-machined so I don't have to go through all that trial fitting, machininging, cleaning and trial fitting again.
CB has a super case that generally needs nothing in the way of clearancing. Just double check the assembly and start the process.
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Birdmanhere
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PostPosted: Tue Jun 06, 2006 12:13 pm    Post subject: Reply with quote

well i got a dremmel is there any spacific bit and process to start this off?
http://www.thesamba.com/vw/forum/viewtopic.php?t=166315
i found these pics, is that what i should be going for with .040 clearance?
as well with the cam do i just notch it where it needs or do i do the whole circumfrence of it?
thanks
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turboblue
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PostPosted: Tue Jun 06, 2006 12:29 pm    Post subject: Reply with quote

Birdmanhere wrote:
well i got a dremmel is there any spacific bit and process to start this off?
http://www.thesamba.com/vw/forum/viewtopic.php?t=166315
i found these pics, is that what i should be going for with .040 clearance?
as well with the cam do i just notch it where it needs or do i do the whole circumfrence of it?
thanks


That was not done with a dremel.
You'll be grinding on that thing till this time next year with one of those.
I used to try to do that clearancing with an air grinder and a burr tool, had enough of that in short order.
Dremel can only be worse.
The 4th picture down has had a lot of meat removed.
Doubt if it can be done with any precision with hand/air tools.
That is where the rod throws from the opposite side of the case swing through.
Those need to be pretty exact.

Notching the cam is great as long as you index the notches with the rod throws.
Those CB rods are pretty thin at the cap so I usually just turn down the cam between the lobes.
No more than needs to be removed you won't have a problem doing it that way........if you have a lathe that is.
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PostPosted: Tue Jun 06, 2006 12:34 pm    Post subject: Reply with quote

well off to the shop it goes
probly better that way
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turboblue
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PostPosted: Tue Jun 06, 2006 12:55 pm    Post subject: Reply with quote

Birdmanhere wrote:
well off to the shop it goes
probly better that way


Good move........you won't regret not getting that crap all over your shop.
Magnesium chips/shavings would get into everything.........
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nsracing
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PostPosted: Tue Jun 06, 2006 1:49 pm    Post subject: Reply with quote

Hot damn! I thought I was impatient. Laughing

Dremel tool? Oh..you are going to need more than that.

Here...

Image may have been reduced in size. Click image to view fullscreen.

Image may have been reduced in size. Click image to view fullscreen.

Image may have been reduced in size. Click image to view fullscreen.


You need more...let me know. Razz
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The Noof
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PostPosted: Tue Jun 06, 2006 4:18 pm    Post subject: Reply with quote

Good pics, Nick....you always do your stroker clearancing in the garden?..lol
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PostPosted: Tue Jun 06, 2006 4:46 pm    Post subject: Reply with quote

The Noof wrote:
Good pics, Nick....you always do your stroker clearancing in the garden?..lol


You take it outside to blow off all the junk. All that Mag laying around in the garage is a NO-NO to me. Fire is not funny to happen to anyone.

I machine, then I clean.

How you like them flowers? Razz
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PostPosted: Tue Jun 06, 2006 4:52 pm    Post subject: Reply with quote

Nice garden, and machine work, bro.I was just kidding about the work in the garden...lol
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PostPosted: Wed Jun 07, 2006 8:40 am    Post subject: Reply with quote

The Noof wrote:
Good pics, Nick....you always do your stroker clearancing in the garden?..lol


Doesn't flowers require some magnesium fertilizer content to blossom properly?........ Laughing
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keifernet
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PostPosted: Wed Jun 07, 2006 9:05 am    Post subject: Reply with quote

Common Nick, be honest... you can tell by the pics that you just attach a carbide blade to your weed eater and go for it! Razz Laughing Wink
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PostPosted: Wed Jun 07, 2006 6:40 pm    Post subject: Reply with quote

I have always been told I have "butcher" hands. Laughing I am just a hack.

Gentle heart tho'.

Damn if we did not hijack this thread.... The original poster never came back.
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PostPosted: Wed Jun 07, 2006 6:42 pm    Post subject: Reply with quote

oh i am still here... i am always here mua ha ha haha
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Birdmanhere
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PostPosted: Wed Jun 07, 2006 6:44 pm    Post subject: Reply with quote

i took my case to the local vw shop here and i should have it back in a day, then the assembly starts to begin.
hey any of you guys use a DTM shroud before??
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