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So where on the exhaust does one weld in the fitting for the sensor? On the crossover or one on each pipe separately? I would think the crossover would work if you also installed two shunts, so that you could read each carb independently.



on my speedmaster I have just one sensor port welded into the cross over pipe slightly to the right of center. on my t-bird there is a sensor port in each of the cat bypass pipes. if I was to do the speedmaster again I would do with the 2 sensor port set up. (and still might)

05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter