whats all needed to swap a ls1 into my envoy?
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whats all needed to swap a ls1 into my envoy?
ill have my ls1 layin around after my new engine is done and was thinking about putting it into my 02 envoy. it has the 4.2 and its the xl version it could use some extra power. what harness could i use to be a direct plug in? and what else would i need?