MGB & GT Forum
O2 sensor for AFR
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Topic Creator (OP)
Jun 9, 2019 07:33 AM
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 Joined 18 years ago
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Jun 9, 2019 07:37 AM
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Joined 20 years ago
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In reply to # 3956279 by Perdido
Interesting solution and never thought about egt as a diagnostic tool. The Abarth exhaust gives me plenty of room for installation of the O2 sensor, but the cast iron manifold might present a difficult egt installation. What do y’all think about an O2 sensor on each down pipe?
Thanks, Rut
In reply to # 3955929 by Speedracer
I have Westech dual needle EGT gauge with a probes on #1 and #3 header tubes, then the O2 just beyond the header collector, the dual EGT gauge lets me monitor the twin HS6s independently, and the O2 gives me a overall number, I shoot for 1300 degrees at WOT on EGT, and that normally nets about 12.5 on O2.
Interesting solution and never thought about egt as a diagnostic tool. The Abarth exhaust gives me plenty of room for installation of the O2 sensor, but the cast iron manifold might present a difficult egt installation. What do y’all think about an O2 sensor on each down pipe?
Thanks, Rut
Rut, on the race car, we hardly ever look at plugs anymore at the track, don't need to with twin EGTs.
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