The DBRS9 has a V12 engine, like the GT1 DBR9, while the Vantage has a V8, which will be a 4.5 once it's ready to race, at St Petersburg (the road car is a 4.3).
The DBRS9 is running in its own class at Sebring, GT2S - and the main change from its British GT spec. is the fitment of an endurance gearbox (the same unit, the very one, that was used in the modified DBRS9 that ran in the Ring 24 Hours last year.
All information available on DSC - and ten-tenths now!
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