Lola T70 Mk 3 GT group 4 (1967)
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Home » Racing Sports Cars » Lola T70 Mk 3

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Chassis numbers and register

Specifications

31 units built
Click here and here for Chevrolet engine
Click here for Aston Martin engine
Homologation number: 240
Homologation start: 1/2/1968

Homologated engine in group 4

Chevrolet Small Block gen. I 302, V8 (90o), 4 stroke, petrol engine, located middle longitudinally. Click here and here and here
4995cc, 102 x 76 mm
450 bhp / 336 KW @ 7000 rpm
cast-iron block, aluminium alloy head
tufftride-hardened forged 1053-steel crankshaft with 5 main bearings 58.4mm diameter
connecting rod length between centers 144.8mm, 50.8mm big end bearing diameter
2 valves / cylinder, OHV
aspiration: natural with 4 Weber 48 IDA carburetors
firing order: 1-8-4-3-6-5-7-2
water cooled

Prototypes engines

Aston Martin DP218, V8 (90o) cyl, 4 stroke, petrol engine
5008cc, 98.0 x 84.0 mm
460 bhp / 343 KW
aluminum alloy block and head
dual overhead camshaft (DOHC), 2 valves / cylinder - 16 valves total
aspiration: natural with Lucas Mark II mechanical fuel injection
water cooled

Chevrolet Small Block gen. I 327/333, V8 (90o) cyl, 4 stroke, petrol engine, located middle longitudinally. Click here and here and here
5460cc, 102.6 x 82.55 mm
510 bhp / 392 KW @ 7000 rpm
cast-iron block 229.2mm height, aluminum alloy head
tufftride-hardened forged 1053-steel crankshaft with 5 main bearings 58.4mm diameter
connecting rod length between centers 144.8mm, 50.8mm big end bearing diameter
side camshaft with overhead valves (OHV), 2 valves / cylinder - 16 valves total
aspiration: natural with 4 Weber 48 IDA Carburetors
firing order: 1-8-4-3-6-5-7-2

Chevrolet Small Block gen. I 350, V8 (90o) cyl, 4 stroke, petrol engine, located middle longitudinally. Click here and here and here
5735cc, 101.6 x 88.4 mm
550 bhp / 410 KW
730 Nm / 538 ft lbs
cast-iron block 229.2mm height, aluminum alloy head
tufftride-hardened forged 1053-steel crankshaft with 5 main bearings 58.4mm diameter
connecting rod length between centers 144.8mm, 50.8mm big end bearing diameter
side camshaft with overhead valves (OHV), 2 valves / cylinder - 16 valves total
aspiration: natural with 4 Weber 48 IDA Carburetors
firing order: 1-8-4-3-6-5-7-2

Chevrolet Big Block Mk IV 427, V8 (90o) cyl, 4 stroke, petrol engine
6992cc, 107.95 x 95.5 mm
11.0:1
525 bhp / 392 KW @ 6000 rpm
aluminium block and head
2 valves / cylinder, OHV
aspiration: natural with 4 Weber 58 IDM Carburetors
firing order: 1-8-4-3-6-5-7-2

BRM V12, V12 (60o) cyl, 4 stroke, petrol engine
2998cc, 74.61 x 57.15 mm
452 - 465 bhp (337 kW) at 10500 rpm
aluminium alloy block and head
4 valves / cylinder, DOHC
aspiration: natural with Lucas Mark II mechanical fuel injection
water cooled

Hewland LG500-82 4 speed Manual gearbox
1st: 2.083/1 (50/24)
2nd: 1.433/1 (43/30)
3rd: 1.206/1 (41/34)
4th: 1.027/1 (38/37)
final drive, 3.308/1 (43/13)
drive shafts with Rotoflex inner joints and BRD outer joints
dry triple disk Borg and Beck clutch
riveted steel (15%) and aluminium (85%) monocoque chassis, 1.25 x .083 inch Steel tubes
Lightweight fiberglass panels. Front section quickly removable by withdrawing "pip pins", giving good access to front suspension and water cooling system. Tail section similarly removable for access to engine, transmission, and rear suspension. Includes ducting to rear brakes and to engine and transmission oil coolers. Front windshield of DOT approved safety glass with side curtains of plexi-glass

Front suspension double wishbones, 315 lbs/in coil springs over Armstrong shock absorbers, 3/4" diameter anti-roll bar
Rear suspension lower wishbones, top links, twin trailing arms, 260 lbs/in coil springs over Armstrong shock absorbers, 5/8" diameter anti-roll bar

BMC (from Austin 1800) rack-and-pinion steering with leather covered 11" diameter steering wheel
disk brakes 12" diameter by 1" thick, front and rear, mounted on light alloy bells with Girling aluminium 4 piston calipers and Ferodo DS11 pads. Twin master cylinders 17.8mm diameter actuated by a balance bar adjustable for bias. Air ducting to brakes. Calipers are of extreme duty endurance type
Length: 5000 mm / 196.9 in
Width: 1850 mm / 72.8"
Height: 950 mm / 37.4"
Wheelbase: 2413 mm / 95"
Track, front, 1448 mm / 57" with 8" rims
Track, front, 1372 mm / 54" with 10.5" rims
Track, rear, 1461 mm / 57.5" with 10" rims
Track, rear, 1372 mm / 54" with 14" or 17" rims
wheels, front 8 x 15", rear 10 x 15"
tires, front 9.20 - 10.60 x 15" or 550/15", rear 12.00 - 12.20 x 15" or 650/15", Firestone or Goodyear or Dunlop
750kg
fuel tank, 190 lt


Results in WSCC

Season

Running as Prototype in group 6
Car entry, chassis number Car number/ result
Dayt Sebring Monza Spa Targa Florio Nurb Le Man Hock Mugelo Brands Hatch CdE Zeltweg Ollon Nurb
Team 24h 12h 1000km 1000km 720km 1000km 24h 304km 529km 6h 300km 500km Hill climb 500km
Lola Cars, SL73/101 (Aston Martin) #3, in entry list #1, rear wish bone #12, eng ine
Lola Cars, SL73/121 (Aston Martin) #11, piston
Lola Cars, SL73/121 (Chevrolet 350) #2, piston
Charles Vögele, (Chevrolet 427) #10, in entry list
Jackie Epstein, SL73/112 (Chevrolet 427) #2, 4th #216, gear box
Mike De Udy, SL73/105 (Chevrolet 427) #5, acci dent in practice #12, in entry list
Mike De Udy, SL73/105 (Chevrolet 327) #5, steering
Sid Taylor Racing, SL73/102 (Chevrolet 327) #4, clutch
Total points
7
7
Statistics
Works Starts/finishes 10/1 2/1 2/0 1/0 2/0 3/0
Driver Team entries and car number
Lola Cars
John Surtees 3 1 11 2
David Hobbs 3 1 11 2
Chris Irwin 12
Peter de Klerk 12
Charles Vögele
Charles Vögele 10
Jo Bonnier 10
Jackie Epstein
Jackie Epstein 2 216
Paul Hawkins 2
Hugh Dibley 216
Mike De Udy
Mike De Udy 5 12 5
Peter Westbury 5
Sid Taylor Racing
Denny Hulme 4
Jack Brabham 4

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Epstein - Nelson in Le Mans 1968
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Drawings

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lolaT70MKIII.jpg Source
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Lola T70 Aston Martin
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