Lextreme II
Just call me "Lex"
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Anyone in here is good with Tig welder? My guy is having trouble welding my headers because the four pipes are on the way and he can't weld inside portion of the pipe. Anyone?
The best bet would be to build a temporary jig locating the head flange in reference to the outlet flange, then 1 by 1 removing each runner and welding them up.
You may have slight leaking issues with that collector in high boost situations.
Not necessarily, SS expands lots more under heat than Mild and with the heat the turbo will be making... those connections will be very tight when hot. Hence why they recommend not welding slip fit connections.
The difference in the materials between the collector & primaries are my concern. Mild runners with stainless collectors tend to leak due to the differences in thermal expansion.