what should i do?
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Join Date: May 2013
Location: north idaho
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what should i do?
I have a 408 stroker. Gmpp can that dynoed 489 HP. And 520 tq with stock 317 heads. Stock headers. I just about have all my mpfi set IP. My builder dynoed my engine with a 800 cgm rockchester carb with edelbrock rpm manifold. Which I told him I was going mpfi. I know I need better headers. I'm sitting at 10.16-1 compression right now. Going n/a and is going to be a d.d/ off road being its going in a lifted 92 Silverado 4x4 with nv4500 trans. Should I get my 317 port and polished or different heads. Trying to keep the cost reasonable