There is nothing wrong with this 5.0l v8. I hope lexus keeps it N/A add a hp or two sort out the gearbox make the car lighter sweet engine good to go
I compare the laptime of certain cars that I think belongs to the same category , and Google about their horsepower & weights to both support & disagree on your statement , and this is what I find out ,
2:56.8 - (640hp & 1875kg) 2016 Cadillac CTS-V
3:00.1 - (577hp & 2141kg) 2014 Mercedes-Benz E63 AMG S-model
3:03.5 - (707hp & 2075kg) 2016 Dodge Charger SRT Hellcat
3:04.0 - (556hp & 1915kg) 2009 Cadillac CTS-V
3:05.2 - (560hp & 1945kg) 2013 BMW M5
3:05.9 - (467hp & 1834kg) 2016 Lexus GS F
3:06.7 - (550hp & 1987kg) 2014 Jaguar XFR-S
3:06.8 - (420hp & 1793kg) 2014 Cadillac CTS Vsport
3:06.9 - (518hp & 1841kg) 2011 Mercedes-Benz E63 AMG
3:08.9 - (510hp & 1953kg) 2011 Jaguar XFR
2:59.2 - (503hp & 1780kg) 2015 Mercedes-AMG C63 S
2:59.2 - (464hp & 1725kg) 2016 Cadillac ATS-V coupe
2:59.8 - (464hp & 1729kg) 2016 Cadillac ATS-V sedan
3:00.7 - (425hp & 1601kg) 2015 BMW M4
3:04.3 - (450hp & 1835kg) 2013 Audi RS5
3:05.4 - (416hp & 1714kg) 2011 Lexus IS F
3:05.8 - (467hp & 1795kg) 2015 Lexus RC F
Source :
http://www.caranddriver.com/feature...results-historical-lap-times-and-more-feature