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1972 Chevelle Coil/Distributor/Ignition Timing Specifications

Data are from GM's Information Kit. For other 1972 Chevelle distributors see my distributors page.

	250 110hp	307 130hp	350 165hp
Ignition Coil	1115208	1115293	1115293
Breaker Gap	.019	0.19	.019
Cam Angle	31-34	29-31	29-31
Breaker Arm Tension	19-23	19-23	28-32
Distributor	1110489	1112005 - Manual 1112039 - Automatic	1112005
Timing (Degree at BTDC @ RPM)	4° @ 700 - Manual 4° @ 600 - Automatic	4° @ 900 - Manual 4° @ 550 - Automatic	6° @ 900 - Manual 6° @ 600 - Automatic
Max	n/a	24° @ 4300 - Manual 20° @ 4200 - Automatic	24° @ 4300

	350 175hp	402 240hp	454 270hp
Ignition Coil	1115293	1115293	1115293
Breaker Gap	.019	0.19	.019
Cam Angle	29-31	28-30	28-30
Breaker Arm Tension	19-23	19-23	19-23
Distributor	1112044 - Manual 1112045 - Automatic	1112057	1112052
Timing (Degree at BTDC @ RPM)	4° @ 800 - Manual 8° @ 600 - Automatic	8° @ 800 - Manual 8° @ 600 - Automatic	8° @ 800 - Manual 8° @ 600 - Automatic
Max	22° @ 4200 - Manual 18° @ 4200 - Automatic	30° @ 4400	22° @ 3900

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Want more in-depth information on 1964-1972 Chevelles? My Facts and SS Guide program CD, my Shop Manuals & Parts Catalog program DVD, and my 1964-1972 Trim Tag and Warranty Card program CD. Check them and other informative program CDs at my https://chevellecd.net website.

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