1971 Chevelle Distributor Specifications
L6-250 145 HP |
V8-307 200 HP |
V8-350 245 HP |
V8-350 270 HP |
V8-400 300 HP |
V8-454 365 HP |
V8-454 425 HP |
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Breaker Gap | .019 | |||||||
Cam Angle | 31-34 | 29-31 | 28-30 | |||||
Breaker Arm Tension | 19-23 | 28-32 | ||||||
Distributor | Manual | 1110489 | 1112005 | 1112042 | 1112044 | 1112057 | 1112052 | 1112075 |
Automatic | 1110489 | 1112039 | 1112005 | 1112045 | 1112057 | 1112052 | 1112054 | |
Timing (RPM) | Manual | 4° BTC@550 |
4° BTC@600 |
2° BTC@600 |
4° BTC@600 |
8° BTC@600 |
8° BTC@600 |
8° BTC@700 |
Automatic | 4° BTC@550 |
8° BTC@550 |
6° BTC@550 |
8° BTC@550 |
8° BTC@600 |
8° BTC@600 |
12° BTC@700 |
Distributor | CENTRIFUGAL ADVANCE Crankshaft Degrees at Engine RPM |
VACUUM ADVANCE Crankshaft Deg. In. of Mercury |
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Start | Intermediate | Max. | Start | Max. | |
1110489 | 1270 | 14 @ 2300 | 24 @ 1400 | 8.00 | 22 @ 16 |
1112005 | 1000 | 14 @ 2300 | 34 @ 4300 | 8.00 | 20 @ 17 |
1112039 | 1320 | 12 @ 2200 | 20 @ 4200 | 8.00 | 20 @ 17 |
1112042 | 1120 | 15 @ 2200 | 28 @ 4300 | 8.00 | 20 @ 17 |
1112044 | 1160 | 15 @ 2400 | 22 @ 4200 | 8.00 | 15 @ 15.5 |
1112045 | 1335 | 11 @ 2400 | 18 @ 4200 | 7.00 | 15 @ 15.5 |
1112052 | 1143 | 14 @ 2000 | 22 @ 3900 | 8.00 | 20 @ 17 |
1112054 | 1310 | 21 @ 2350 | 28 @ 5000 | 7.00 | 12 @ 12 |
1112057 | 1260 | 16 @ 2400 | 30 @ 4400 | 8.00 | 20 @ 17 |
1112075 | 1200 | 24.4 @ 2310 | 32 @ 5000 | 7.00 | 12 @ 12 |