building an engine is pretty aggressive for "free help" . unfortunately the free help rebuild if it goes down that path will not end well. the evo is not easy to work on. seen too many shops fail at the job.
wish you the best and hope you get it sorted out.
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want a piece of the yellow car? (buy it)
you have to beat the blue car first
and then you have to take on the IV
my favorite quote
"if the solution is simple, God is answering"