Powerlab Dumptube Weld Crack
#1
Powerlab Dumptube Weld Crack
Hey All,
It's been 10 months since my car was dyno'd and tuned but managed to catch the uprev Dyno event this past weekend. The techs did a pre-dyno checkup and found that I had a crack pre-wastegate. We did the dyno and the loss was obvious as I had dropped from 6.5lbs of boost to around 4.
Original Dyno (mustang):
http://www.youtube.com/watch?v=zRCaRcuap0E
Recent Dyno (dynojet):
Based on the recent dyno I'm running extremely lean under boost which I contribute to the crack. I'm hooking up with Jtran to fix the weld crack and will put the car back on the dyno to resolve the tune issues. Johnny mentioned that the dumptube welds cracked on his customers car also so beware.
-Eric
It's been 10 months since my car was dyno'd and tuned but managed to catch the uprev Dyno event this past weekend. The techs did a pre-dyno checkup and found that I had a crack pre-wastegate. We did the dyno and the loss was obvious as I had dropped from 6.5lbs of boost to around 4.
Original Dyno (mustang):
http://www.youtube.com/watch?v=zRCaRcuap0E
Recent Dyno (dynojet):
Based on the recent dyno I'm running extremely lean under boost which I contribute to the crack. I'm hooking up with Jtran to fix the weld crack and will put the car back on the dyno to resolve the tune issues. Johnny mentioned that the dumptube welds cracked on his customers car also so beware.
-Eric
#2
Registered User
Unfortunately, I think this happened to two other people as well. The last time I heard of this happening was well over a year ago, and I thought Powerlab has since reinforced that particular weld (Assuming it's the same weld that I am thinking of). Those that had a crack, I think had their local shops re-weld and reinforce it a little. I don't think I have ever heard of those people having it "re-break".
Sorry OP, hopefully you get it fixed quickly and are back up and running at full power!
Sorry OP, hopefully you get it fixed quickly and are back up and running at full power!
Last edited by SlideFox; 06-07-2010 at 05:22 PM.
#4
Registered User
Yup, it's the same spot as the other two guys. I think it's the weight of the WG right on that weld. Have them grind it, and re-weld it stronger, and you should be good to go!!
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#14
Registered User
iTrader: (8)
Meineke.....where skilled Tig Welders work. I have yet to see a "muffler shop" with a tig welder. Even when they weld stainless, they are Mig welding it with regular Er70S-6 wire and 75/25 gas. It'll work, but it's not right. You can MIG weld stainless, but you should use stainless wire (for the correct alloy) and a "tri-mix" gas that is specific to stainless steel welding.
Last edited by QuadCam; 06-11-2010 at 11:27 AM.
#20
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Join Date: Jul 2006
Location: Ft. Lauderdale, FL
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the cause of the cracking is the stress on that particular portion of pipe. I think the amount of welding is insufficient no matter the material. Hence the reinforcing of the pipe. Ive had the reinforced pipe for 8k miles and no problems since installing it.
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