06-10-2011, 05:12 AM
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CC Member
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Join Date: Nov 2009
Location: Cheltenham,
Vic
Cobra Make, Engine: Classic Revival CR3516, LS3, Aussie Mike'd T-56, 3.70 LSD, AP brakes, Penske shocks
Posts: 1,616
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Not Ranked
just thinking logically some more...
definately worth pulling the rocker covers and having a look-see as Rick suggests.
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each time the codes come back after a short drive
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This is a new crate motor with maybe an hour of running time
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this info is gold if accurate...surely its a warm-up/heat related issue then....
whats the longest you drove this engine with no issue seen?
if you've swapped the injectors from 4 to 8, what remains? Fuel-rail last-mile (almost zero chance), injector wiring/earth, ECU, valvetrain (pull rocker covers and turn engine over by hand), manifold gaskets, spark plug-seat thread (depending on compression tester used this may not show up in a compression test).
Are your headers completely custom, or are they a design known to work on other LSx? One-off's flow direction to o2 sensor would be largely unknown.....
just thinking out alound sambo!
Ben
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Ben in AU
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