31262:

#972, record setter for New York to London with a time of 1 hr 54 min 56.4 sec on September 1st, 1974, Los Angeles to Washington, DC in 1 hr 4 min 20 sec and west to east coast in 1 hr 7 min 54 sec.

(Source)

beautifullyengineered:

Radical Performance Engines Macroblock RPC 3.2

500 HP and 10,500 RPM

Link to specification sheet and dyno graph (.pdf)