TwinTurbo.NET: Nissan 300ZX forum - Greg on tack welds
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Subject Greg on tack welds
     
Posted by maglito on March 10, 2005 at 1:05 AM
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In Reply To B&B split dp's vs. Greg Dupree's super splits... posted by Only1Z on March 09, 2005 at 11:15 PM
     
Message Since we have been making the long splits we have been measuring before and after grinding the inside welds and we have been adding to tack welds to the outside for extra strength.
By tacking the outside we are still allowing for the pipe to expand and contract without cracking the outside weld.

Taken from his post on the subject in yesterday's thread here.

I'm sure he knows what he's talking about here and I don't think there are any reported cases of the new and improved downpipes failing.

     
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