This is a 8.1L 496 cubic inch V8 built to the specifications of GM's Vortec 8100 from 2001. It works in all cars included with BeamNG.drive and uses the same models and accessories as the 6.9L V8 included with BeamNG, except for some vehicle-to-vehicle changes. Transmissions for vehicles that do not have engine redlines near 5,000 RPM (which is most of them) and gasoline tanks for the T-series and DT40L are also included. You also get one or two basic configs per vehicle, though I highly recommend customizing the cars yourself. Just don't use performance long blocks or intakes that aren't naturally aspirated and you're good to go.
The transmissions in arcade mode and automatic transmissions don't work with some performance parts. The engine does not like to behave with sport or race ECUs and/or performance long blocks (Heavy Duty and Ultra Heavy Duty are fine and highly recommended), and some other engine parts, no matter what mods I have installed. If you know of anything I could change to fix this, please let me know.
Possibilities for future:
Custom model for engine
Engine made by me (NERDBUG96) using Automation, built off of BeamNG's 6.9 V8 from the D-Series
Transmissions are modified BeamNG transmissions
The bed mounted pigeon engine is partially based off of TC203's 6.0 V8 for the pigeon mod. (https://www.beamng.com/resources/6-0l-v8-engine-for-the-pigeon.14364/)
The Wigeon and other Pigeon engine is based off of Gruban's 2.0L V10 (https://www.beamng.com/resources/atomic-wigeon.21897/)
496 CUI 8.1L V8 Engine 1.01
Now supports all cars included with BeamNG