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Author Topic: Oxyboxer questions?  (Read 4059 times)
FIDDE
Jr. Member
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Posts: 68


« on: October 25, 2009, 22:09:52 pm »

I have some questions about an oxyboxer case,first is it possiple to machine down the deck 10mm on
both sides to get the right deck.And does the 94 bore typ1 cylinders fit in the case without
machine job.Im aware of the wider headstuds.

/F

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stealth67vw
Hero Member
*****
Posts: 2261



« Reply #1 on: October 25, 2009, 22:53:46 pm »

Your more likely to get more responses here:

http://www.shoptalkforums.com/viewforum.php?f=37&sid=f97e5332057f411fde1947e4fd62cc88
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John Bates
JB Machining Services
1967 street bug 2020lbs w/driver
12.34 @ 108 mph 1/4
7.76 @ 89mph 1/8
RMS Boxer Service
Sr. Member
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Posts: 308


WWW
« Reply #2 on: October 25, 2009, 23:13:25 pm »

I have some questions about an oxyboxer case,first is it possiple to machine down the deck 10mm on
both sides to get the right deck.And does the 94 bore typ1 cylinders fit in the case without
machine job.Im aware of the wider headstuds.

/F


No milling the case down 10 mm on each side will weaken the case too much in numerous places.
No the 94 mm type 1 cylinders wound't fit, but due to the wbx case is wider the cylinders have
to be machined in the case end. The cylinders can now be machined to fit the spigot bore in
the wbx case.

/Rolf
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FIDDE
Jr. Member
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Posts: 68


« Reply #3 on: October 26, 2009, 12:33:58 pm »

Ok... thanks for the info  Smiley I have a Demello 84 race crank and CB 5.5 H rods that im going
to use.Maybe it's to much job to go on a oxy,im looking at different case options.
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RMS Boxer Service
Sr. Member
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Posts: 308


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« Reply #4 on: October 26, 2009, 17:00:31 pm »

Ok... thanks for the info  Smiley I have a Demello 84 race crank and CB 5.5 H rods that im going
to use.Maybe it's to much job to go on a oxy,im looking at different case options.

It's a near perfect combo for an oxy boxer Smiley. Machining the cylinder to fit the spigot
bores and deck height is the same as any other combo.  Just go for it  Grin


/Rolf
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Udo
Hero Member
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Posts: 2077



« Reply #5 on: October 26, 2009, 19:30:57 pm »

94mm Type 4 cylinders fit in the WBX case . You only have to do some work on them

Udo
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FIDDE
Jr. Member
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Posts: 68


« Reply #6 on: October 27, 2009, 10:00:45 am »

Do they seal properly? typ1 cylinder
« Last Edit: October 27, 2009, 13:27:20 pm by FIDDE » Logged
RMS Boxer Service
Sr. Member
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Posts: 308


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« Reply #7 on: October 27, 2009, 17:10:50 pm »

Yes they seal very fine as long as the machine work is done correctly. Sealing surfaces in the top and in the botton of
the cylinder have to be parallel. On the 101,6x86 oxy engine I have build for a friend we ended up with less sealing surface
than 94 mm cylinder proberly will have and the engine is not leaking.

/Rolf
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FIDDE
Jr. Member
**
Posts: 68


« Reply #8 on: October 28, 2009, 11:15:48 am »

Ok,,what´s the difference between the bearings,can i use all year models of the case 86-91.Is it the early case that have
1mm+ on the flywheel bearing for typ1 crank,or is it the same?

/F
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