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
Breaker Gap .019
Cam Angle 31-3429-3128-30
Breaker Arm Tension 19-2328-32
DistributorManual1110489111200511120421112044111205711120521112075
 Automatic1110489111203911120051112045111205711120521112054
Timing (RPM)Manual
BTC@550

BTC@600

BTC@600

BTC@600

BTC@600

BTC@600

BTC@700
 Automatic
BTC@550

BTC@550

BTC@550

BTC@550

BTC@600

BTC@600
12°
BTC@700

DistributorCENTRIFUGAL ADVANCE
Crankshaft Degrees at Engine RPM
VACUUM ADVANCE
Crankshaft Deg. In. of Mercury
 StartIntermediateMax.StartMax.
1110489127014 @ 230024 @ 14008.0022 @ 16
1112005100014 @ 230034 @ 43008.0020 @ 17
1112039132012 @ 220020 @ 42008.0020 @ 17
1112042112015 @ 220028 @ 43008.0020 @ 17
1112044116015 @ 240022 @ 42008.0015 @ 15.5
1112045133511 @ 240018 @ 42007.0015 @ 15.5
1112052114314 @ 200022 @ 39008.0020 @ 17
1112054131021 @ 235028 @ 50007.0012 @ 12
1112057126016 @ 240030 @ 44008.0020 @ 17
1112075120024.4 @ 231032 @ 50007.0012 @ 12