TECHNICAL INFORMATION OF FIAT 131 ABARTH STRADALE, STREET VERSION
Published at Geneva Motor show, march 1976, four seater 2d saloon. 75% of parts are same as in other production models.
Price in Italy at 1976 9.086.000 lires (2d 131 with 1,3 engine was 2.296.000 lires)
Made only from late 1975 to early 1976, Volumex version also in -80.. (?).
type 131 AR
designed by Bertone
all visible to outside is made of fiberglass, except roof, doors and area between rear lights.
It had rpm gauge, clock and adjustable steering wheel.
type 131 AR.000
1995cc 84mm bore, 90mm stroke, cast iron block, pistons had little dome for CR
compression ratio 10,3-1
16 valve aluminum head, valves in 46 deg (ex 22deg, in 24deg)
output 140 bhp/din at 6400rpm, torque 17,5 kg/din at 3600rpm
one Weber 34 ADF 8/200 carburetor (34/34)
no oil cooler, wet sump
Alternator 124-12 V-44 A (Bosch, El-Mot, Fimm)
Regulator Bosch AD 1/14 V, Fimm RC 2/12 D
Battery 55 Ah
Oilvolume 4 litres, (forexample Oliofiat10w-30 or 20w-40)
Sparkplugs, Champion N6Y
4-1 exhaust with 49mm pipe, two silencers
(there was also late version of mechanically compressed Volumex abarth, if you have more info of that let me know)
Kuniyuki Hishinuma´s 131 has double carbs
Gearbox was dogclutch five speed. It didnt have synchros at all, that was because of homologation reasons.
Final drive 3,9 (39/10). ZF limited slip was optional.
Front; Independent wishbones, torque reaction arms, anti rollbar, McPherson type absorber/spring
Rear; Independent, trailing arms, antirollbar, coil springs, McPherson type absorber/spring. Fiat tested also DeDion type rear axle, but noticed it terrible!
Wheels alloy Chromodora 15x7" , Pirelli P7 195/50 VR 15 tires
In one article reporter said that anti rollbars are adjustable in street version too. Is that so?
turning circle 10,6 m, steering wheel turns 3,4 rounds
4 x discs, mechanical handbrake
Front caliber with one 48mm piston, disc dia. 227mm
Rear caliber with one 34mm piston, disc dia 227mm