sentences:  Seven Elise GT1 racing chassis were built, going to factory teams GT1 Lotus Racing (run by Fabien Giroix's First Racing) as well as privateers GBF UK and Martin Veyhle Racing.The factory GT1 Lotus Racing team would be the only ones to opt for the Chevrolet V8 instead of the Lotus twin-turbocharged unit.The Elise GT1's water-cooled 3.5 L "Type 918" "Garrett" twin-turbocharged V8 engine has a power output of at 6,500 rpm and the modified 6.0 L Chevrolet "LT5" V8 engine has a power output of at 7,200 rpm.