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:teeth: Hello im a newb so dont get pissed i have a 342 with afr 185 X cam 80 mm pro m 75 t/b 42#ers I wanted to know your guys expected power gains and also EST boost levels since your experienced in this field systemax intake with 7INCH CRANK and 2.75 UPPER PLZ help it made 320 RWHP no blower goes 12.40s n/a
Won't get pissed Bro, ask away :). Anyway, you'll probably make 14 or so pounds of boost with a 2.75 pulley on your 342 if you can keep it from slipping a lot. If you run enough fuel (like enough to maintain a 12:1 A/F ratio), you shouldn't have any trouble making around 550 RWHP with some timing in it. You're gonna run out of fuel with those 42's once you get to 550 RWHP tho, so you might want to up them to a 50 to 60# injector.
Hope this helps,
Jim