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Underbody braces, turbos and more!

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PostPosted: Mon Jan 14, 2013 7:11 am 
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Joined: Tue Mar 01, 2011 4:10 pm
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Location: India
Im preparing a 94 suzuki swift sedan for road racing. I was thinking about bracing the chassis to make it as stiff as possible and eliminate any flex. The car already has a roll cage in it. The weight of the car has to be kept as minimal as possible. Now with all that being said, Id love to hear some ideas and pics from you guys about how I can go about doing this. Do keep in mind that this is an all out race car and not a daily ride! Any and all ideas please!!


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PostPosted: Mon Jan 14, 2013 9:15 am 
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Joined: Sat Jan 06, 2007 12:40 pm
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Location: Telford, West midlands, UK
Seam weld the shell if you can, weld an inch/miss an inch of every seam on the car.
However it's not a 5 minute job, it took me around 3 weeks to do the whole car, but on the plus side the shell is so stiff now (with the roll cage fitted) that if I jack up a front wheel the whole side of the car lifts off the ground to the same height!

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PostPosted: Mon Jan 14, 2013 10:17 am 
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Joined: Tue Mar 01, 2011 4:10 pm
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Location: India
Seam welding is something I've been considering but here's a question. The shell that I'm preparing is basically last years Race shell. And I'm sure that it's been fatigued a little. Is seem welding advisable in this case? Or should it only be done on a new shell? And finally how good is TiG welding?


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PostPosted: Wed Jan 16, 2013 1:53 pm 
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Location: columbus, ohio
you can seam weld an old chassis, no problems.

tig welding is superior to mig or stick welding because it melds the steel alloy using less filler material. the resulting weldment is fused alloy without the boundary layers that form when you add a dissimilar alloy from the filler rod, wire, or flux coated electrode to the puddle.

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PostPosted: Thu Jan 17, 2013 7:39 am 
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Joined: Tue Mar 01, 2011 4:10 pm
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Location: India
Okay so welding an old chassis isn't a problem then! I think I'm going to try that before my next race. As far as braces go, any suggestions on where all I need to brace? Has anybody tried the gaichirri braces on the swift?


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PostPosted: Thu Jan 31, 2013 3:23 pm 
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Location: Canby, OR
Make sure you have a brace on the lower front frame horns. This chassis is a noodle without one.

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PostPosted: Thu Jan 31, 2013 6:14 pm 
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http://www.turbotuningturbinetech.com/e ... swift.html

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