Ported TB Question
05-12-2003, 10:43 AM
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Ported TB Question On a basicly stock ls1 345hp will porting the throttle body and thinnig the cross shaft produce a noticeable hp gain ? If so how many rwhp would it be worth? The car has FRA, Donaldson Blackwing AF, 160 thermostat,TB bypass,TB bump stop mod. and y- pipe.
