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924Board.org Discussion Forum of 924.org
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Neil924

Joined: 18 Mar 2003 Posts: 4225 Location: Canada
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Posted: Tue Jan 20, 2004 11:25 pm Post subject: Which is faster: 85 924S or a Ferrari V12? |
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1972 Ferrari 365 GT4 2+2
Engine:
Front longitudinal 60° V12, light alloy cylinder block and head
Unitary and Total Displacement:
365.86/4,390.35 cc
Compression Ratio:
8.8:1
Max. Power Output:
340 bhp at 6,800 rpm; 70 bhp/litre
Timing Gear:
2 valves per cylinder, twin overhead camshafts per cylinder bank
Fuel Feed:
6 Weber 38 DCOE carburettors
Ignition:
Single plug, coil
Transmission:
Dry single-plate clutch, 5-speed gearbox + reverse
Chassis:
Tubular
Front Suspension:
Independent, double wishbones, coil springs
Rear Suspension:
Independent, double wishbones, coil springs
Brakes:
Ventilated discs
Cooling System:
1 front radiator
Length:
4810 mm
Width:
1796 mm
Height:
1310 mm
Wheelbase and Front/ Rear Track:
2,700/1,470/1,500 mm
Dry Weight:
1,500 kg
Tyres:
215x70-15
Top Speed:
245 km/h
85 924S
140 mph or so.
227 kph |
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Porscheaddiction

Joined: 03 Nov 2002 Posts: 431 Location: Cornwall, Ont, Canada
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Posted: Wed Jan 21, 2004 2:41 am Post subject: |
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Hi Neil,
With a question like that u just have to be a member of the Ferrarichat group right?
Chris |
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Neil924

Joined: 18 Mar 2003 Posts: 4225 Location: Canada
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Posted: Wed Jan 21, 2004 4:19 am Post subject: |
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I think we are moving in the same direction Chris.
I can't believe a v12 is only slightly quicker than the 924S. It would be great fun to race them! |
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OR_Sunset
Joined: 04 Jan 2003 Posts: 312 Location: Veneta, OR
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Posted: Wed Jan 21, 2004 8:41 am Post subject: |
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What are the acceleration figures for both cars, though?
That v-12 generates much more torque, and can get up to speed faster. Ferrari would probably kill that P-car in a standing 1/4, 1/2 or mile... they would be more fun to road race with an "at speed" start around a curvy track.
From what I know, when it comes to racing the most accurate reflection of performance is neither top speed or 0-60 times... it is 0-60 in "x" number of ft. or a speed at a designtated (say 60 ft.) trap.... acceleration over distance rather than time.
I couldn't find the data I was looking for online, but my money's on the Ferrari... _________________ 82 924 N/A -
9.3:1 CR Pistons, Dual Webers, Stage 2 Cam.
4-1 Headers, DynoMax exhaust, Monza tips.
MSD 6AL Ignition, 944racing short shift kit.
Through hood cold air intake with scoop, K&N.
Silver/Blue. |
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MunkPuppy

Joined: 02 Jul 2003 Posts: 419 Location: New Westminster, B.C., Canada
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Posted: Wed Jan 21, 2004 10:33 pm Post subject: |
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I have to agree that the Ferarri would be faster, especially from a standing start.
As mentioned, torque and BHP will play the most signifigant parts in determining which car will perform the best. My money is on the Ferarri. Other things that you have to consider are the power-to-weight ratio and gearing. Again, I lean toward the Ferarri, as they have always been ultra-high-performance pieces of machinery, and the 924S is an entry- to mid-level driving machine. Big parts of this are the engine components; the Ferarri will most likely have a lighter flywheel, aiding in quicker acceleration, and lighter engine components which will allow the engine to spin up faster than would the 924S's engine. Plus, depending on the model of Ferarri, if the engine is located behind the driver/passenger, you don't have the added load of a driveshaft or torque tube to consider, which also affects acceleration.
My 2 cents... _________________ '80 931 FOR SALE
"It's a shame that stupidity isn't painful"
-Anton Szandor LaVey |
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Roger

Joined: 06 Jan 2003 Posts: 1235 Location: Cordova, TN
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Posted: Sun Jan 25, 2004 12:02 pm Post subject: |
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Top end speed is as much a function of gearing as horsepower. The 924S will take a long time to reach 227 kph. By the time the 924S reaches 210 kph the 1972 Ferrari 365 GT4 2+2 would be an expensive little red Itilian blip on the horizion. Although I would always choose a Porsche over a Ferrari. When it comes to food or art I will choose Itilian, but when it comes to enginering I would definatly chose the Germans. _________________ 1981 924 NA
Some people are like Slinkies. Not really good for anything, but you
still can't help but smile when you see one tumble down the stairs. |
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Paul

Joined: 02 Nov 2002 Posts: 9491 Location: Southeast Wisconsin
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Posted: Mon Jan 26, 2004 12:23 am Post subject: |
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| Top speed occurs when the available horsepower equals drag assuming the vehicle is on a level road. |
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