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408ci 871
#1 · January 22, 2019, 8:48 am
First Ultimate LS install. LQ4 block, 408ci, 871, 4L80E.
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#2 · January 22, 2019, 12:48 pm
Wow!!! How is the tuning going on that beast?
#3 · January 22, 2019, 6:33 pm
well. an unseated pin in the main harness injector connector hampered a perfect start-up but even on 7 cylinders it fired right up and kept running until I shut it off. Pin fixed and several heat cycles later, a cruise around the yard, and a burnout to seat the rings it is all doing what it is supposed to for now.
It won't go down the road until spring .
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#4 · January 22, 2019, 7:31 pm
Harness pins have been an issue from time to time. I have put that on the top of my list when working ultimate LS users.