Re: Tickford-Yella Terra Heads
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Quote:
Originally Posted by auIILTD
Very typical of a factory tune. I was seeing my AFRs on my stock P250 dip down into the 10s.
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Quoting myself, apologies.
Here is a graph I logged of the factory tune in my P250. Factory tune commands stupid rich high in the rev range. Graph uses lambda not AFR on the right scale. Lambda X 14.64 = AFR. Follow the black line.
Same graph with fuelling corrected (2nd gear pull) - again follow the black line.
Cheers
Stu
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2002 AU II LTD
5.6L 342ci T3 Short, AFR165 heads, Comp XE270HR-12 Cam, Brembo 4/4s(355/330), T3 5 spokes, LC-1 wideband, Whiteline HD swaybars, TCE 3K Hi Stall, PWR Auto Trans Cooler, Koni shocks, King Low Springs, Hurricane headers, 100 cpsi cats, Twin 2.5" exhaust.
Quarter Mile: 13.73 @ 105.86mph
Runner Up NA/DA to BF Fairlane/LTD Geelong AFD 2024  2002 XR8 pursuit 250
Custom twin 2.5" exhaust w Herrod modifed extractors, Tuned with Moates QH
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