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Performance Articles
Looking for the latest exciting news coming from the halls of the GM Performance Division? Visitors will find detailed information on the newest specialized products, technology and installation tips, as well as detailed build accounts of the latest GM Performance Division project vehicles. This area provides the most sought after details for the loyal GM enthusiast. Visit this section often for updates.
4L60E / 4L65E / 4L70E / 4L80 / 4L85 Transmission dimensions and gear ratios
4L80 Dimensions and specfications
Differences between 4L60 4L65 4L70
Dimensional information for 4L60 transmission family
GM Performance Division University Cobalt Build 2
GM Performance Division University Cobalt
HOT ROD Solstice Rollcage Install
HOT ROD Solstice Build Article #4
Concept Camaro Test Drive at Milford
HOT ROD Solstice Build Article #3
HOT ROD Solstice Build Article #2
HOT ROD Solstice Build Article #1
GM Performance Division and Jones Soda Team Up to Raise Funds for FIRST
Chevrolet Trailblazer SS vs. V8 Comparison
300+ HP Ecotec Four Cylinder Performance Engine (Part 1)
300+ HP Ecotec Four Cylinder Performance Engine (Part 2)
300+ HP Ecotec Four Cylinder Performance Engine (Part 3)
300+ HP Ecotec Four Cylinder Performance Engine (Part 4)
Bonneville Behind the Scenes - HHR Race Vehicle - (Part 1)
Bonneville Behind the Scenes - HHR Race Vehicle - (Part 2)
Bonneville Behind the Scenes - HHR Race Vehicle - (Part 3)
Bonneville Behind the Scenes - HHR Race Vehicle - (Part 4)
Add a Rollcage to a Cobalt
Add a Rollcage to a Cobalt - Part 2