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3.9L LZ9 87 IROC-Z28 - GT4088 turbo
(Topic in the Member's Rides and Introductions forum)
09-02-2015, 06:38 PM
3.9L LZ9 engine internal upgrade & performance?
(Topic in the Pushrod Performance forum)
05-05-2020, 01:17 AM
302 to 730 ecm conversion, now runs bad w/ codes
(Topic in the Computer Related forum)
04-28-2009, 03:16 PM
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