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up2mischief
Tunnel tips
#1
Home away from home
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2010/9/5 13:47
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Hi,

Im going to attempt widening my tunnel. I bought the maddat tunnel and im wondering if anyone has tips for installing the new tunnel. If anyone has engineer approval for doing it what were the requirements?

Cheers

Posted on: 2011/8/15 4:57
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Re: Tunnel tips
#2
Guest_
20 to 25mm overlap all round

Posted on: 2011/8/15 5:10
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ZigZag
Re: Tunnel tips
#3
No life (a.k.a. DattoMaster)
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2008/6/4 16:28
From Rosewood, QLD
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mik is good with man tunnels

Posted on: 2011/8/15 8:27
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1971 B110 sedan project.
2012 Nissan Micra daily.
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demacoz
Re: Tunnel tips
#4
No life (a.k.a. DattoMaster)
Joined:
2007/6/15 10:47
From MOOROODUC. Victoria
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My engineer said :

". Tunnel welding - Preference for spot welding but will accept 'chain' welding (1 inch welding 1.5 inches space between welds) welding to be on both sides of tunnel (top and underneath). "

you can have a look in my build thread (DEMAC's 1200 UTE)

Posted on: 2011/8/15 8:43
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Red 1200 Coupe (Build: DEMAC's 1200 Coupe)
Blue 1200 Ute, CA18DE Auto (Build: DEMAC's 1200 Ute)
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Green Sedan #2 (Current build: DEMAC's 1200 Sedan)
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Re: Tunnel tips
#5
Guest_
I lubed yours up nice and proper ziggy, yours warped from friction burns though.

I used same engineer demacoz. He prefered the spot weld method with mastic in between to prevent rusting.

Posted on: 2011/8/15 9:23
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ZigZag
Re: Tunnel tips
#6
No life (a.k.a. DattoMaster)
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2008/6/4 16:28
From Rosewood, QLD
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im suprised you got past the fish hooks and barbed wire

Posted on: 2011/8/15 9:33
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1971 B110 sedan project.
2012 Nissan Micra daily.
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Re: Tunnel tips
#7
Guest_
I know you army guys are kinky, I was ready with my thermal lance

Posted on: 2011/8/15 9:35
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levey
Re: Tunnel tips
#8
No life (a.k.a. DattoMaster)
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2008/1/20 11:52
From Perth WA AUS
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So I assume rust repair sections should be welded the same?
Can you do a continuous weld around a repair section on one side only?

I might have to do some more welding :)

Posted on: 2011/8/15 10:17
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Datsun 1200 2Dr sedan.
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Re: Tunnel tips
#9
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What rust repairs, that's factory

Posted on: 2011/8/15 10:22
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