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Slowxr6t

Dump pipe

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So I'm making my own dump pipe, I was intending on making it out of 4inch steam pipe bends for durability, it will fit but it's a tight squeeze, now I think I will make it out of 3.5 inch steam pipe, it will be lighter and have much better clearances and pretty sure won't restrict power up to 400rwkw, I'm going to run a 45mm turbosmart external wg and plumb it back in right down the bottom where the exhaust runs flat under car. 

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So I ended up making dump pipe out of 4 inch black steam pipe bends, 1 long radius 90 bend and 1 short radius 90 bend. I used the stock dump bracing brackets, I welded some bits of 10mm thick flat steel to the dump pipe to mate up to the brackets. It's all worked out real good. I couldn't  get 3.5 inch steam pipe bends so thanks @FiftyOne now il have maximum street cred lol.

 

And it looks seriously bulletproof, she won't be cracking anytime soon.

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My arc welding doesn't look pretty but it's as strong as a tank and it's only on the thick walled steam pipe, the tig welding is good done by my engine builder in town, the mig welding done by neighbor. It's all heat wrapped now with titanium wrap so cant be seen. I got a professional cast welder to weld the short bit of 40mm steam pipe on to turbine housing, he cooked it up first in his oven and post heated it to cool slowly, worked out mint, no wastegate restrictions or problems. I made 10mm steel brackets and they are welded to dump and the factory 2 dump brackets bolt to them, I'm real pleased with it. Did 414rwkw at 18psi and pulled it back to 15psi 382rwkw to save driveline and pistons.

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