If your talking about the bolts in the lower end of the O2 housing...they just pound out. They are similar to a wheel-stud and have a splined portion of the bolt that doesn't allow it to spin. Just put a drift-pin or something similar on the broken end of the bolt and punch up toward the engine for the lower 3 bolts. If it's the upper bolt it is installed backwards from the factory and would need to be punched the opposite direction (downwards).
Deen
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GT, 5-Spd, K&N filter, Stage I, AGP 3147 Big Turbo, DTEC Fuel Kit, Tial WGA, Greddy Profec EBC, DCR 55mm TB, 05 Plastic Manifold, 180 Deg. Stat, CCA FMIC, AMX hard-pipes, Water-Injection, STS shifter, Needswings 3\" DP w/dump and Borla Cat-back, BG Drop Springs, Eibach Sway Bars, Panther alloys & Eagle F1 Max-Performance Tires. Best run to date...12.93 @113.45MPH.
77 Blown Vette-runs 10\'s @ 136 MPH.
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