Here's the source of the specs. There wasn't very much information, however, the only it is known is that the car uses a Chevrolet Camaro V8 engine which sets the power up to 345 BHP. Unfortunately, the year of 2018 is the last year of this Rally Raid Car, as José Antonio Blagino won't do Dakar Rally 2019 due to lack of funds.

autoblog.com.ar/2017/01/02/un-rastrojero-con-motor-de-camaro-largo-el-rally-dakar-2017/