What's the power to weight of a daytona?

Ferrari quoted 1200kg (2,645lb) dry for the Daytona when launched but that was very optimistic. I would estimate a Euro Daytona to be around 1,500 (3,300 lb) to 1,600kg (3,500 lb).

As to power, I've never dyno'd mine but everywhere I've read says a properly tuned and serviced Euro Daytona should hit the quoted 352bhp. I can't comment on whether a US Daytona has less power or not (claimed to be the same).

That should give you enough to work out your power to weight figures.

 

US Spec, late Daytona, wire wheels, spare tire and toolkit, but no fuel: 3,487 lbs.

 

US spec, 1971, half a tank of gas, Chromodoras, aftermarket rear A/C, no spare or tools.....3342

Bill

 

Interesting, I dyno'ed the C4 last summer at 354 HP with P6 cams, 4923cc, straight pipes and stock air filters . The engine was dyno'ed at 385 HP-364 TQ using stock mufflers and air filters in 2005. I think the book weigh is listed as 3800. It's been a ton on fun on the track and road. Especially if I can pass a Daytona which is priced beyond my range. Check out the db level and the guy in the background. There were about 12 of us doing the same. It's much better going down the road.

 

Do you have a 400 engine with 4823cc in your car?

 

Steve, you nailed it. I was told 4923cc, but I'll never know the difference. The original block is in the garage.
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They weren't prepared. You would've thought someone had foam plugs available. Everyone used the old finger but they could also walk outside (except the fellow running the show). Same problem around jets and F1.

 

There is no doubt in my mind that a Daytona is heavier than a Boxer, and that closes in on 1,500kg without a problem (even the 365BB). There is also no doubt that a Daytona is significantly heavier than a 330GTC, and that also goes over the 1,200kg mark. I think a Euro Daytona should be close to 1,600kg with fluids. Whether a Daytona really delivers that 352bhp might also be up for debate, but I don't think it was overstated by a massive margin. The 365BB delivers around 350bhp at the 7,700 redline (which Ferrari lowered in the manual to 7,000, making for the generally accepted number of 344bhp). The 365BB engine was essentially a folded-out Daytona engine. Given the Daytona's redline, I would say that it will produce between 330 and 340bhp. But I have no data to back it up.

@straightpipe, your car should be a 4390cc, not 4932cc. Just a swap of the two digits, methinks.


Onno

 

In Simon Kidson's column in Classic Cars a few months back he wrote about dyno testing the GT cars of that era. Apparently the Daytona is one of the few cars that actually achieved exactly the 352bhp claimed by Ferrari.

His own Ghibli SS came in around 290bhp IIRC.

 

Maserati claimed 320HP for the 4.9 V-8 in the Khamsin (essentially same as Ghibli SS) and close to 500Nm torque. A Euro Khamsin weighs a little over 1500KG, tested top 273 km/h.

What was the tested top of a Euro Daytona?

On most of these cars you run out of revs before you run out of power. Top speed is almost never achieved at max HP RPM, always way over.

Best,

Jack.

 

European spec Daytona was a legitimate 174 mph. top speed(as claimed by factory), as I recall Road & Track tested an early plexiglass example(Bill Harrah's) and achieved a true 173 mph.

 

In Doug Nye's book on the Daytona, Paul Frere's driving impressions are included. He achieved 175.7mph in a Daytona with 28000km on it. He also said the car had not been prepared for him by Ferrari as the one that had been prepared broke down!

 

That is why I call our Daytona the "Freight Train" because it will haul the mail. In my experiance, you can take the rattiest, most moth eaten Daytona out there and it will do 165 plus easy. Daytonas just pull and pull at the top end. Boxers seem to be all over the place on performance, but Daytonas are amazingly consistent and almost any one in good tune will do over 170 mph.

 

375+: True - but little of Harrah's engine had any resemblance to the subsequent production motors - with far less output M

 

"@straightpipe, your car should be a 4390cc, not 4932cc. Just a swap of the two digits, methinks."

I think he has the engine block/crank/rods/pistons from a 412 in it.

 

Michael,

Is there any evidence that the engine in Harrah's car was something special? I was not aware of it. Thanks.

 

There were two Road and Track reviews, a year or more apart one of the Harrah hot rod car the other a "stock" production car I had them in hand when we did the Forza article side by side of the C4 and the Daytona but heavens knows where they are now

 

Do you know which issue the second test was printed in?

 

The road test in R&T that I am referring to is from the October 1970 issue. The test car was Bill Harrah's personal car and it was driven by Dean Batchelor, the article featured the famous photo of the instrument cluster showing an indicated 180 mph. This is not the later Harrah hot rod, to my knowledge this was standard 365 GTB/4.

 

That one I remember vividly. The one I'm asking about is the GTC/GTB comparison.