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Tough one, because it's a speedster (cut down rebodied roadster). I'm going with 1915-ish Buick due to the 12 spoke wood wheels, roundish grille, and left side exhaust. Although it might be British b/c of right hand drive
e.g., here's a 1912 Buick speedster w/ right hand drive & 12 spoke wheels. Buicks had unusual (for pre-WW1) left side exhaust. I think it's based on a very similar Buick, but with nicer custom bodywork 
BTW, the Curtiss Jenny airplane in the background had a bitchin' V8. Its gigantically balled designer Glenn Curtiss put one in a motorcycle and rode it to a land speed record of 137 mph in 1907 - the only motorcycle ever to own the LSR
There's a guy who races a fanciful "Franziss" (a Curtiss XO V8 in a narrowed Frazier-Nash frame) at Road America. Car is just crazy loud even though I think it only winds out to 800 rpm
Another guy in England built a race car with a later Curtiss GN V8 aircraft motor. These things are insane, with exposed valve springs and total loss oiling system
A few weeks ago I spotted this V8 aircraft engine, a 1915-ish Hispano-Suiza, with original crate. Spanish built, it had a more sophisticated OHC design, and was used in SPADs, Sopwiths, and Fokkers. This would make a crazy race car motor
For pure over-the-top insane application of an aircraft engine, there's this 1939 Plymouth pickup with a 1930s Jacobs 7-cylinder radial
Then there was Jim Lytle's "Quad Al", a Fiat Topolino stuffed with *four* Allison V12 WW2 aircraft engines. 4WD, it required 8 drag slicks. It takes a warped genius to think, "hey, what this thing needs is 48 cylinders"
war surplus Allison V12s were seen in drag racing in the 50s/60s (like Art Arfons') until they were banned by the NHRA. You still see them in tractor pulls
Art Arfons was the ultimate barnyard engineer, making his "Green Monsters" out of scrap metal & military surplus. He raced an Allison-powered car at Bonneville, before switching to a GE J-47 jet engine in 1962. At 330 mph, still the fastest open cockpit car in history
Arfons' greatest car, the Green Monster 17, powered by a GE J79 jet from an F-104 Starfighter. He bought the engine for $600 as scrap, fixed it, and set world records of 434, 536, and 576 mph during the '60s
Arfons battled back & forth with his brother Walt and Craig Breedlove for the world land speed record in the 60s, with Breedlove's Spirit of America (also J79 powered) finally prevailing at 600 mph in 1965
Finally, the current LSR car, the British Thrust SSC (powered by 2 Rolls Royce Spey jet engines) and its driver, RAF pilot Andy Green. At 786 mph, the only land vehicle ever to break the sound barrier
