#gmtuning

Just rolled up to EFI Performance in time to catch Steve finishing up tuning on this LS swapped Foxbody. Strong numbers of around 490whp thru an unlocked converter/automatic. Smoke is just from the car lacking proper PCV system, everything is healthy. #efiperformance #gmtuning #hptuners #tunedbyfrost #mustang #foxbody #lsswap (at EFI Performance LLC)

I love shiney new parts. Like these CNC ported LS3 heads going on a G8 at EFI Performance. They should flow quite nicely matched with a custom cam and other goodies. Can't wait to hear it fire to life soon. #efiperformance #ls3 #gmperformance #gmtuning

Back at it here at EFI Performance while Steve finds gobs of horsepower in this C6 Vortech supercharged vette. Car was brought here with massive misfires and tons of running issues. The crew here got to the bottom of all those issues in a hurry and on to dyno tuning. Car wouldn't even make a pull before and now its climbing it's way thru the 600's on preliminary pulls. #efiperformance #hptuners #dynojet #gmtuning #corvette #c6 #ls3 #vortech #supercharged #boost (at EFI Performance LLC)

I kinda love how this blower sounds now that EFI Performance has pulley'd it up and added a cog rear setup on this 2010 SLP ZL575 Camaro. Dyno numbers to follow on Monday but it's well over its factory 575hp to the wheels now. #efiperformance #hptuners #gmtuning #camaro #chevy #chevrolet (at EFI Performance LLC)

Steve getting it dialed in at #EFI Performance at 20psi while I do the driving and keep tabs of the important things. Now stepping up the boost a little more... #efiperformance #hptuners #gmtuning #turbocharged #boost #boosted #mustang #foxbody (at EFI Performance LLC)