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A look inside the supercharged Cadillac 4.4-liter Northstar V-8, unique to the 2006-’09 STS-V and XLR-V
The original CTS-V sedan wowed buyers with V-8 power on loan from the Corvette, a Tremec six-speed manual, sharp handling and ...
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LS1Tech.com - GM LS Performance Forum
An online community for late model GM V8 engine performance enthusiasts. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a ...