SLT Performance Parts / eBay The XLR-V’s V-8 was a modified version of GM’s 4.6-liter Northstar engine, which the company used in less exciting Cadillac models of the day, like the SRX SUV and ...

The 1931 Cadillac V-12 and 1936 Rolls-Royce Phantom ... However, the cost and complexity of a V12 layout meant this technology remained in the upper echelons of the motoring world for decades.