Ferrari 365 GTB/4 Dyno Run

This is a post-rebuild dynomometer test of a 1972 Ferrari 365 GTB/4 engine after total rebuild and upgrade.

Category:

Autos & Vehicles

Tags:

• Ferrari
• Daytona
• 365GTB/4

[Telerding]

lvferraripilot: I have to give credit to Carobu Engineering in Costa Mesa, Ca for the rebuild. They build race motors for the Historics racing crowd.

[indigoblue555]

What's the dyno response ?

[Telerding]

Not exactly sure what you mean. The max horsepower was 415, and the max torque was 322 ft lbs.

[lvferraripilot]

414bhp from a 4.4L non-racing naturally aspirated street engine is highly respectable even by today's standards. Grats guys. I know in full race trim these things can yield 500+. Let's name all the American and Japanese engines that have done this with this size displacement without a turbo, oh wait.........

[kennnmoran]

New pants needed! I just ruined these

[lvferraripilot]

@Telerding If I remember right, this is the Daytona engine Carobu built while using stock cams only upgrading the pistons and compression ratio. Impressive stuff

[DEWESNE]

Yeah but my John Deere two stroke sounds better.

[GTI1dasOriginal]

Remember this was designed in 1970.

38 years old...

[kittychan206]

my b18c1 honda engine will smoke that 365 engine.

[McLarenMercedes]

Holy shit. Didn't Ferrari themselves say the 365 "Daytona" had 352hp? This one is tuned?

Racing 365's had around 400hp.

[artofwheels]

engineering ingenuity!