my ? is will a fuel injection spacer help my performance are they worth the money. i have a real good combonation going on but would like more .i own a 2000 s-10 blazer 4.3 vortec. it has a cold air intake system,hypertec chip,flow master 40 series muffler high performance under drive pulleys,a cross pipe ,with 2 1/2 inch exhuast it is setting on 245 60 15 tires ,corvette rallys 8 inch wheels flat centers , rings,tinted windows,cool blue headlights,with xenon driving lights,lowerd 2 1/2 inches in rear only i like the way she sets.the blazer runs real good after 35 mhp then you can really fell the power, but not quik out of the hole. it has 3.43 gears ,hate to change that it is a everyday driver.will a aired spacer for the fuel injection help are they worth the money if anyone can help please do