S4E1 - Rare Chevelle
The team updates an engine on a numbers-matching 1972 Chevelle big block.
March 28, 2015, midnight
S4E2 - Mustang GT
The ladies install a new exhaust, air intake and tuner; getting the power to the ground.
April 4, 2015, midnight
S4E3 - Farm Jeep
The ladies diagnose problems on a farm Jeep, make the necessary repairs, and take the fixed vehicle out for a test drive.
April 11, 2015, midnight
S4E4 - H1 With a Lift
The owner of a 1998 Hummer H1 needs the women to add a 3-inch body lift to his vehicle so it can accommodate a new ladder rack.
April 18, 2015, midnight
S4E5 - Supercharged Silverado
The women install an Edelbrock supercharger and a Borla exhaust on a 2012 Chevrolet Silverado.
April 25, 2015, midnight
S4E6 - Trans Am Part 1
Jared Zimmerman from "Car Fix" challenges the girls to pull an original engine on a Pontiac Trans Am Y88.
May 2, 2015, midnight
S4E7 - Street Machine
The team puts finishing touches on a special Chevrolet Camaro, including custom steering and custom gauges.
Aug. 15, 2015, midnight
S4E8 - All Girls AMX
After a 1969 AMC AMX leaves the paint shop, the ladies turn their attention to the vehicle's engine and suspension.
Aug. 22, 2015, midnight
S4E9 - Raptor Clone
A Raptor clone is created using a stock Ford F150.
Aug. 29, 2015, midnight
S4E10 - 370Z with an LS3
The crew adds a LS3 engine to a 370 Z.
Sept. 5, 2015, midnight
S4E11 - Modern Bobber
None
Sept. 12, 2015, midnight
S4E12 - Corvette Cam
An LT1 engine is upgraded.
Sept. 19, 2015, midnight
S4E13 - Zombie Hunter
None
Sept. 26, 2015, midnight