The Yamaha RD 250 is a legendary Air-cooled 247cc (54mm × 54mm) parallel-twin 2 stroke motorcycle that produce 30 hp ...

Big bore kit, performance carb and expansion chamber... Little tweaks on the transmission!!!~

Engine 2.0 L 4G63T I4 Turbocharged Transmission 5-speed manual Dimensions Wheelbase 2,510 mm (98.8 in) Length 4,3...

this may not be too accurate but the sound is what's the most accurate. i think. this is based off of my mom's car w...

just an experiment tuning is available credits: i forgor who i inspirated from

bore 67mm, stroke std make 292cc max capation engine can 200kmh++ in rl

This thing revs to about 9000 RPM while shaking so much the car might flip over. ...

Lc v1 Spec 59 jet 4.65 with full ESR parts And GL Thailand Exhaust System

for fun

Honda Ej6 with B18C5 VTEC ENGINE SWAP, produce 140hp and 149.5Nm

my first engine. power, torque, and speed is pretty close to the real thing.

1300 hp, 1061 Nm, 1200 air scfm, 2.3L V4, 11000 rpm : - No "nitrous" (no starter that acts like nitrous, just 1500 r...

A super gas rc running with only gasoline no nitro, make about 4,2 nm and 8 hp and can rev up to 18k rpm limited and ...

5.3 With cold Air intake, cam, exhaust and headers, and a light tune. Makes some what accurate numbers.

I dont know to much american engines but the sounds still good and realistic revving and idle :)