(tci) 4l60e 4l80e 4x4 5.3 5.3 build 5.3l 5.3l swap 5.7 to 5.3 swap 6.0 6.0 swap 6.0l 7.4l 6l80e 350 383 stroker 1999 silverado 2002 4.8 swap blazer boost pressure bored 5.3l bose c10 c1500 cam cam swap chevy chevy 2500hd clear connector conversion converter db rods diagram electrical engine street rod exhaust fouled o2 sensor gauges gmc gmc 6.0 harness help!!!! hesitation intercooler k1500 lq4 lq9 ls1 build ls swap motor obs oil pressure overheat procharger redheartbeat ruff idle sending unit sierra sierra silverado slocaddy smell of fuel swap switch t-stark tcc torque transmission truck wiring wts selling ls3