good cam kit: cams (sunbelt or schrick), euro (3.5") hfm, 24lb injectors...don't forget a good 3.5" intake
exhaust: there are several choices out there for exhaust...i'm using the supersprint euro race full setup (headers + exhaust)...
tuning: custom/dyno tuning will help you get all the power out of the motor...there might be "off the shelf" chips for your setup that might work ok
13 hr went ok, we ended up dopping out after about 11 hrs...
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E36 M3 club racer | E46 M3 | Suburban 8.1L | Jeep GC V8