Alfa Romeo Giulia Sprint 101 group GT (1963)
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Specifications
| Group /Class | GT and 3 | Homologation number: 96 and 517 Homologation start: 29/1/1963 and 1/1/1966 |
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| Engine | ||||||
|---|---|---|---|---|---|---|
| Type | Alfa Romeo Twin Cam 00112, straight 4 cyl, 4 stroke, petrol engine | located front longitudinally vertical | ||||
| Capacity | 1570 cc | |||||
| Bore x Stroke (mm) | 78.0 x 82.0 | |||||
| Compression ratio | 9.0:1 | |||||
| Output power - torgue | 92 HP @ 6200 rpm | |||||
| Main bearings | forged steel crankshaft with 5 main bearings 57/60mm diameter, 45mm big end bearing journal diameter | connecting rod big end bearing diameter 50mm, aluminium alloy piston with 48mm compression height | ||||
| Materials | block: aluminium alloy engine block with cast iron "wet" cylinder liners | cylinderhead: cross flow aluminium alloy head with hemispherical combustion chambers | ||||
| Cams/valves | dual overhead camshafts (DOHC), direct valve actuation with bucket tappets driven by a double row timing chain | 2 valves/cyl. - 8 valves total. 41.15mm inlet valves diameter, 37.2mm exhaust valves diameters. 80o angle between inlet valves axis and exhaust valves axis | ||||
| Aspiration | natural with 1 x Solex 32 PAIA5 carburetor | |||||
| Ignition | firing order 1-3-4-2, 12V battery, 50 Ah, 25 A dinamo | |||||
| Cooling system | jacketed watercooled with pump, radiator, fan and thermostat | 7.5 lt | ||||
| Lubrication system | flat, finned oil sump | 5.7 lt | ||||
| Transmission | ||||||
| Type | rear wheel drive | Borg Warner, 4 speed manual gearbox | ||||
| Gearbox ratios | constant: 1.30/1 (30/23) 1st: 3.30/1 (38/15) 2nd: 1.99/1 (32/21) 3rd: 1.35/1 (27/26) 4th: - 5th: 0.79/1 (20/33) R: 3.01/1 (30/13) |
constant: 1.30/1 (30/23) 1st: 2.54/1 (35/18) 2nd: 1.70/1 (30/23) 3rd: 1.26/1 (26/27) 4th: - 5th: 0.86/1 (21/32) R: 3.01/1 (30/13) |
1966: constant: 1.30/1 (30/23) 1st: 2.54/1 (35/18) 2nd: 1.70/1 (30/23) 3rd: 1.26/1 (26/27) 4th: - 5th: 0.79/1 (20/33) R: 3.01/1 (30/13) |
1966: constant: 1.30/1 (30/23) 1st: 2.33/1 (34/19) 2nd: 1.58/1 (29/24) 3rd: 1.21/1 (25/27) 4th: - 5th: 0.88/1 (21/31) R: 3.01/1 (30/13) |
1966: constant: 1.30/1 (30/23) 1st: 2.76/1 (36/17) 2nd: 1.78/1 (30/22) 3rd: 1.30/1 (26/26) 4th: - 5th: 0.82/1 (20/32) R: 3.01/1 (30/13) |
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| Diffrential ratio | 5.125/1 (41/8), 4.555/1 (41/9), 4.10/1 (41/10). *1966: 5.86/1 (41/7), 3.728/1 (41/11), 5.375/1 (43/8), 4.78/1 (43/9), 3.91/1 (43/11) |
hypoid spiral bevel gears limited slip rear differential | ||||
| Clutch | dry single disc 200mm diameter | |||||
| Chassis-body | ||||||
| Type | steel monocoque Tipo 10112, (352001, 359001 with drums, **1966: 384101 or 384200 or 386001 with discs) chassis. 2 door coupe steel bodyshell with steel doors, steel front/rear bonnets, steel bumpers | |||||
| Front suspension | double unequal-length A-arms, coil springs and anti-roll bar | |||||
| Rear suspension | Live/rigid axle with single lower trailing arms, upper triangulated link from floorpan to differential housing and coil springs | |||||
| Steering system | globe-shaped screw and roller (no servo) | 3 turns lock to lock | ||||
| Brakes | front drums 267mm diameter and 70mm width, rear drums 254mm diameter and 44.5mm width with 1 double cast iron piston caliper 22.2mm diameter. 1966, Giulia: front solid discs 270mm diameter with cast iron caliper 1 x 53.8mm diameter on one side and 2 x 38.1 mm diameter on the other side of the disc. |
dual circuit | ||||
| Dimensions | ||||||
| length: 3980 mm (156.7") | width: 1540 mm (60.6") | height: 1350 mm (53.1") | ||||
| wheelbase: 2380 mm (93.7") | front track: 1292 mm (50.9") | rear track: 1270 mm (50.0") | ||||
| Rims - tires | 4.5J x 15" | 155-R15" | ||||
| Weight | 910 kg | distribution, 54%/46% front/rear | ||||
| Fuel tank | 58 lt | |||||
| Drag coefficient | ||||||
Results in WSCC
Season races for GT 1.0+
| Car entry, chassis number | Car number/ result | ||||||||||||||||||||
| Dayt | Sebring | Targa Florio | Spa | Nurb | Cons uma | Ross feld | Le Man | Wies baden | d' Auve rgne | Freiburg | Tourist Trophy | Ollon | Inter Europa | TdF | Bridgeh | ||||||
| Team | 3h | 12h | 500km | 1000km | Hill climb | Hill climb | 24h | rally | Hill climb | Hill climb | 500km | ||||||||||
| Scuderia Filipinetti (Zagato group S) | #66, dnf | ||||||||||||||||||||
| Charles Ramu-Caccia | #87, 35th | ||||||||||||||||||||
| Marie-Louise Mermod | #84, 70th | ||||||||||||||||||||
| Statistics | |||||||||||||||||||||
| Works Starts/finishes 3/2 | 3/2 | ||||||||||||||||||||
| Drivers | Team entries and car number | ||||||||||||||||||||
| Scuderia Filipinetti | |||||||||||||||||||||
| Armand Schäfer | 66 | ||||||||||||||||||||
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page revision: 17, last edited: 23 Apr 2021 05:03