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Addicted to Racing
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Turbo O2 sensor position
Hi,
I have a race 911 turbo. I have a zork tube for an exhaust. The question I have is where should the o2 sensor be mounted. Before or after the turbo. And if one or the other, how far from the turbo or outlet pipes. Thanks Ed |
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08-14-2006, 09:04 AM
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Smart quod bastardus
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You should try to keep it after the collector for at least 3 exhaust pipes, but before the turbo so that it is real hot. The O2 sensor needs to be above 600 degrees to function properly.
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1979 930 Turbo....3.4L, 7.5to1 comp, SC cams, full bay intercooler, Rarlyl8 headers, Garret GTX turbo, 36mm ported intakes, Innovate Auxbox/LM-1, custom Manually Adjustable wastegate housing (0.8-1.1bar),--running 0.95 bar max ---"When you're racing it's life! Anything else either before or after, is just waiting" |
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08-14-2006, 11:11 AM
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Smart quod bastardus
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How much power increase did yousee by adding just the zork tube versus the muffler?
Thanks, Fred
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1979 930 Turbo....3.4L, 7.5to1 comp, SC cams, full bay intercooler, Rarlyl8 headers, Garret GTX turbo, 36mm ported intakes, Innovate Auxbox/LM-1, custom Manually Adjustable wastegate housing (0.8-1.1bar),--running 0.95 bar max ---"When you're racing it's life! Anything else either before or after, is just waiting" |
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08-14-2006, 11:12 AM
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Addicted to Racing
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This motor was built ground up for road racing, so it never had anything but the zork.
Thanks Ed
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Check out the parts for sale: http://www.demonspeedmotorsports.com PCA National & NASA Instructor, NASA GTS & PCA GT Class Racer. See my list of current cars in my garage. |
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08-14-2006, 11:46 AM
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Registered
Join Date: Jul 2002
Location: TN
Posts: 2,507
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after the turbo 6-12 inches.
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Williamknightperformance.com Perfectpower.com |
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08-14-2006, 12:42 PM
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Porsche 944 Race 'Poliezi'
911 Race Car
Street 930
2001 Porsche 911 Turbo
Herman the German
