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'68 AMA Specifications - Electrical

AMA Specifications-Passenger Car
--- Electrical ---



MODEL Firebird
250 cu. in. Engines
Firebird
350 cu. in. Engines
Firebird
400 cu. in. Engines
Electrical - Supply System
Battery Make and Model Delco Y-55 (a) Delco Y-59 (b) Delco R-59 (b)
Voltage Rtg. & Total Plates 12 - 54 12 - 54 12 - 66
SAE Designation & Amp. Hr. Rtg. 17 MI-44 Amp. Hr. 2 SM-53 Amp. Hr. 2 SM-61 Amp. Hr.
Location Under Hood -
R.H. Side
Under Hood -
L.H. Side
Terminal grounded Negative
Generator
or
Alternator
Make Delco-Remy
Model 1100761 (c) 1100704 (d)
Type and rating 37 Amp. (e) 37 Amp. (e)
Output at engine idle (neutral) 5 - 10 Amps.
Ratio-Gen. to Cr.s rev. 2.74:1 (3.02:1 With A/C)
Regulator Make Delco-Remy
Model 1119515 (f)
Type Regulating Contacts in Standard Type
Cutout
relay
Closing voltage
generator rpm
Cutout Relay Not Required
Reverse current
to open
Cutout Relay Not Required
Regu-
lated
Voltage 13.8
Current Alternator Self Regulating
Voltage
test
conditions
Temperature 125° F.
Load 10 Amps.
Other Cycle Regulator Before Final Setting
Electrical - Starting System
Starting
Motor
Make Delco-Remy
Model 1108329 1108328 1108335
Rotation (drive
end view)
Clockwise
Motor Control Switch (solenoid, manual) Solenoid
Starting
Procedure
Place gearshift lever in neutral and depress clutch. *With cold engine depress
accelerator pedal to floor and release. With warm engine hold accelerator
pedal about halfway down, turn ignition key clockwise to engage starter,
release key as soon as engine starts.
*Use neutral or park with automatic transmission. (No Clutch)
Motor Drive Engagement type Sliding Gear - Overrunning Clutch
Pinion meshes (front, rear) Front
Number
of teeth
Pinion 9
Flywheel Manual 155 166
Auto. 155 166
Flywheel tooth
face width
Manual 0.41 0.40
Auto. 0.41 0.40
NOTES:
(a) Delco R-59 used with A/C or H.D. battery option
(b) With regular fuel engine - Delco R-59 with prem. fuel engine or H.D. battery option
(c) 1100760 (55 amp.) with A/C.
(d) 1100700 (55 amp.) with A/C.
(e) Diode rectified, 3-phase alternating current.
(f) 1116368 transistor regulator optional.


MODEL 6 Cyl. Engines 350 Cu. In. V-8 Engines 400 Cu. In. V-8 Engines
Electrical - Ignition System
Type Conventional - Std., Opt., N.A. Standard
Transistorized - Std., Opt., N.A. Not Offered
Other (specify) --
Coil Make Delco-Remy
Model 1115290 1115288
Amps Engine stopped 3.5 3.4
Engine idling 2.8 2.1
Distributor Make Delco-Remy
Model (a)   (b) (c)   (d)   (e)
1111449 (a1)(c1)

 
1111270 (b1)(c1)
Centifgal
adv. in
c/shaft
degrees@
engine
rpm
(nominal)
Start (rpm) 900   900 800   800   ??? 1100   800
Intermediate
points deg.@rpm
15-19
@
1250

 
12-16
@
1650
13-17
@
1950

 
8-12
@
2000

 
???
10-14 (d1)
@
2000

 
10-14 (d1)
@
2000
Max. deg. @rpm
26-30
@
4400

 
24-28
@
5000
22-26
@
4800

 
16-20
@
5000

 
???
18-22 (e1)
@
4600

 
18-22 (e1)
@
4600
Vacuum
adv. in
c/shaft
degrees@
in. Hg.
(nominal)
Start (in Hg.) 4 - 6   4 - 6 8 - 10   8 - 10   ??? 8 - 10   10 - 12
Intermediate
points, deg.@ in. Hg.
None
Max. deg. in. Hg. 15° @ 9.5 - 10.5 20° @ 15 - 17 20° @ 17 - 19   20° @ 15 - 17
Breaker gap (in.) 0.016
Cam angle (deg.) 31 - 34 28 - 32 28 - 32
Breaker arm tension (oz.) 19 - 23
Timing Crankshaft deg.@rpm TDC(f)  5° BTDC(g) 9° BTDC 9° BTDC
Mark location On Balancer On Crankshaft Pulley Hub On Crankshaft Pulley Hub
Spark
Plug
Make AC
Model AC 44N AC 45S AC 44S
Thread (mm) 14
Tightening torque (lb. ft.) 15 - 25
Gap 0.033 - 0.038
Cable Conductor type Carbonized Thread
Insulation type Neoprene
Spark plug protector Hypalon Boot
NOTES:
(a) 1110430 used on 250 cu. in. 1-bbl. carb. engines
(a1) With manual transmission
(b) 1110431 used on 250 cu. in. 4-bbl. carb. engines with manual transmission - 1110449 with automatic transmission
(b1) With automatic transmission
(c) 1111281 used on 350 cu. in. 2-bbl. carb. engines
(c1) 1111941 on Ram Air II Engine Option
(d) 1111282 used on 350 cu. in. 4-bbl. with automatic transmission
(d1) 10-14 @ 2100 on Ram Air II Engine Option
(e) 1111447 used on 350 cu. in. 4-bbl. with manual transmission
(e1) 26-30 @ 6100 on Ram Air II Engine Option
(f) 250 cu. in. 1-bbl. carb. engines
(g) 250 cu. in. 4-bbl. carb. engines
??? Information is missing from my sheets. If you have the information, let me know.
Electrical - Suppression
Locations & type  
Carbonized thread core secondary cables and engine to dash ground strap on all cars. Radio equiped cars have an additional to dash ground strap, a fender skirt to frame ground strap plus a condenser on the regulator and another on the coil.


MODEL Firebird Firebird
Sprint
Firebird
350
Firebird
H.O.
Firebird
400
Electrical - Instruments and Equipment
Speed-
ometer
Type Mechanical
Trip odometer (yes,no) No
Charge indicator - type Telltale Lamp
Temperature indicator - type Telltale Lamp
Oil pressure indicator - type Telltale Lamp
Fuel indicator - type Electric Gage
Other Optional instrument cluster with temperature, ammeter & oil pressure telltales replace with gauges plus a tachomter.
Wind-
Shield
wiper
Type - Standard Two-Speed Electric
Type - Optional None
Wind-
Shield
washer
Type - Standard Electric - Pump Integral with Wiper Motor
Type - Optional None
Horn Type Solenoid
Number used 1 Std. (a)
Amp. draw (each) 4.3 to 5.9 @ 12.5 V.
NOTES:
(a) Second horn included with Custom Trim option



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This file last modified Sunday, 29-Jun-2008 11:47:41 PDT