69 z/28 ign timing - Team Camaro Tech
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post #1 of 2 (permalink) Old Apr 15th, 01, 02:16 AM Thread Starter
Join Date: Mar 2001
Location: seneca falls, ny usa
Posts: 9

what should i set ign. timing on 69z- all stock w/ point type distributor? and should vacuum adv. be plugged during setting?
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post #2 of 2 (permalink) Old Apr 15th, 01, 03:23 AM
Tech Team
Join Date: Jan 2001
Location: Chantilly, VA, USA
Posts: 52

The original stock setting was 4 BTDC at 900 RPM. I have an all stock, orginal engine Z28, and I have to set mine aroung 8 BTDC to get a good result (with the vacuum advance plugged). I believe the change in timing is a result of running somewhat lower octance gas than the car was originally design for, that is the only variable I can identify.

George Thomas
1969 Camaro Z28 X77
[email protected]
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