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Jalpa X-Ray

PRICE

List price:   $58,000
Price as tested includes leather interior, air conditioning, AM/FM stereo cassette, electric window lifts, electric adjustable mirror.


IMPORTER

Lamborghini of North America, Inc. 3171 Kashiwa St., Torrance CA 90505


GENERAL

Curb weight, lb./kg: 3305 / 1499
Test weight, lb./kg:  3460 /  1571
Weight distribution (with driver), f/r, % 44/56
Wheel-base, in./mm: 96.5 /  2451
Track front/rear:  58.3 / 60.5   1481 / 1537
Overall length:  166.0 /  4216
Width:   65.1 /  1654
Height:  43.9 /  1115
Ground clearance, in:   5.0  / 127
Overhang, front/rear:  33.0 / 36.5 838 / 927
Trunk space cu ft./liters:   8.0 / 227
Fuel capacity, US gal./liters:  20.5 / 78


INSTRUMENTATION

Instruments: 280 kmph speedo, 9,000-rpm tach, 99,999 odo, 999,9 trip odo, coolant temp., oil temp., oil press., ammeter, fuel level, clock.
Warning lights: brake fluid level, hand-brake, alternator, choke, radiator fan, vent fan, A/C fan, A/C, headlights, parking lights, low beam, high beam, fog lights, seat belts, directionals, fuel level low.


ENGINE

Type: dohc V-8
Bore x stroke,.  in./mm:  3.39 x 2.95   86.0 x 75.0
Equivalent in:  3.23 x 2.44
Displacement, cu in./cc:  213 / 3485
Compression ratio: 9.0 : 1
BHP @ rpm, SAE net/kW 250/187 @ 7000
Torque @ rpm, lb.-ft / Nm 235 / 319 @ 3250
Equivalent:  mph / kmph :  67 / 108
Carburetion:  four Weber (2V)
Type of fuel required:  premium, 96 oct.

DRIVE TRAIN

Transmission:  5 Speed Manual
Gear ratios:  5th (0.87):  3.48:1
4th (1.18):  4.72:1
3rd (1.56):  6.24:1
2nd (2.10): 8.40:1
1st (2.93):  11.72:1
Final drive ratio:  4.00:1


CALCULATED DATA

Lb./hp (test weight):  13.8
Mph/1000 rpm (5th gear):  20.4
Engine revs @ 60 mph:  2940
Piston travel, ft/min: 450
R & T steering index: 1.54
Brake swept area sq.in./ton:  227


CHASSIS & BODY

Layout:  transverse mid-engine / rear drive
Body/frame:  unit steel (targa type)
Brake system: 10.0-in (254 mm) vented discs front & rear: vacuum assisted
Swept area sq.in /sq.cm.: . 392 /  2529
Wheels:  cast alloy; 16 x 7.5 J, front & rear
Tires: Pirelli P7, 205/55VR-16 front; 225/50VR-16 rear
Steering type:  rack & pinion
Turns lock to lock:  4.1
Turning circle, ft./m:  37.7 /  11.5
Front suspension: McPherson struts, lower A-arms, compliance struts, coil springs, tube shocks, anti-roll bar 
Rear suspension: McPherson struts, lower A-arms, compliance struts, coil springs, tube shocks, anti-roll bar


ACCOMMODATION

Seating capacity, persons:  2
Head room in./mm:   36.0 /  914
Seat width:  2 x 18.5 /  2 x 470
Seat back adjustment, deg:   75


MAINTENANCE

Service intervals, miles

Oil filter change:  8000 / 8000
Chassis lube:  none
Tune-up:  none
Warranty, mo/mi.:. 12 / 12,000

 

ROAD TEST RESULTS

ACCELERATION

Time to distance, seconds:
0-100 feet:  3.1
0-500 feet:  8.4
0-1320 feet. (1/4 mi.): 15.4
Speed at end of 1/4 mi., mph : 92
Time to speed, seconds:
0-30 mph:  2.7
0-60 mph: 7.3
0-80 mph:  11.7
0-100 mph:  19.1

SPEED IN GEARS

5th gear (6500 rpm), mph: 133
4th (6500):  99
3rd (6500):  74
2nd (6500): 55
1st (6500):  40


FUEL CONSUMPTION

Normal driving mpg:   est. 12.0


HANDLING

Lateral Accel., 100 ft radius,   g 0.846
Speed thru 700-ft slalom, mph: 56.6

 

BRAKES

Minimum stopping distance, ft.:
From 60 mph:  144
From 80 mph:  256
Control in panic stop:   Excellent
Pedal effort for .5g stop, lb:  40
Fade: percent of increase in pedal effort required to maintain .5g, deceleration rate in 6 stops from 60 mph:   7
Parking: hold 30 % grade:  Yes
Overall brake rating:  Excellent

INTERIOR NOISE

Idle in neutral dBA: 65
Maximum, 1st gear:  85
Constant 30 mph: 73
50 mph:  80
70 mph:  79
90 mph:  84

SPEEDOMETER

30 mph indicated is actually:  30.0
60 mph:  59.0
80 mph:  79.0



jalpaac.GIF (31261 bytes)
Click for larger view

While the Espada engine was in the process of being rebuild it was difficult to be without a driving Lamborghini so I was looking out for another Espada and was close to buying a good looking Series 3, but its engine was "tied" and one rebuild was enough. Instead I then found a one-owner 1985 Jalpa for sale in Santa Monica, CA in September 1994. The only real change I have made to the car is adding sticky Yokohama 008RS (Z-rated) tires. The car has turned out to be a pleasant surprise in many ways. After taking it to Willow Springs once it proved to have very predictable go-cart like handling, including good brakes. I also find it to be very good looking and judged by the number of thumbs-ups, stares and positive comments that the car is getting in the traffic, others appear to have the same view. The Targa top is big plus in getting fresh air and being able to see the landscape. The only drawbacks are lack of torsional and bending stiffness (Uracco chassis without roof apparently with too little reinforcements), 15 year-old paint and only moderate power, but delivered with true Italian sound and a few other minor items such as a fuel gauge with a mind of its own.

Summer 2000.  I am in the planning stage for power improvements and the 9.0:1 compression ration should give a hint as to how this will be done, but more on this at the next web-site update.  The car weighed in at 3200 +-20 pounds with the gas tank half full and no spare wheel.

jalpa1.JPG (50910 bytes) The Jalpa in its natural environment, Beverly Hills.
jalpa2.JPG (49093 bytes) The Jalpa in its more natural environment, winding mountain road on a clear day, Ortega Highway.