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Cracked Ace A350 - anyone else?
Anyone else run into similar issue?
The topside O2 bung welds cracked open during a track day @ NJMP Thunderbolt (NASA Summer Sizzle). Had to apply high heat JBweld and safety wire it shut to limp it home.
I bought this unit second hand - the header has been on the car for a little over 2 yrs, ~9,000 miles (50/50 highway, track miles).
Stamping:
NA-421-425063
86-0201
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