Author Topic: 1968 Z/28 Tuning Specs  (Read 1306 times)

garve

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1968 Z/28 Tuning Specs
« on: March 14, 2010, 05:17:22 PM »
Can anyone provide me with tuning specs for my '68 Z/28. Timing, dwell, idle speed etc. Thanks

Stingr69

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Re: 1968 Z/28 Tuning Specs
« Reply #1 on: March 14, 2010, 09:58:27 PM »
Dwell is 30 degrees and timing is 4 BTDC and idle speed is 900 (between 950 and 1000 RPM is usual).

-Mark

garve

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Re: 1968 Z/28 Tuning Specs
« Reply #2 on: March 20, 2010, 10:26:50 PM »
Thanks, I had the carb rebuilt by Jerry McNeish but it doesn't want to idle. It acts like it loads up and falls off.

tom

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Re: 1968 Z/28 Tuning Specs
« Reply #3 on: March 20, 2010, 11:19:22 PM »
69 X11 Z21 L14 glide
looking for a 69 export model (KPH) speed
o

garve

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Re: 1968 Z/28 Tuning Specs
« Reply #4 on: March 21, 2010, 04:01:01 PM »
Thanks, Should be helpful