C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Timing help

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Old Aug 23, 2004 | 08:36 PM
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nitrocharger
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Default Timing help

I have a C3 with an 88 TPI I installed almost 2 years ago. I never quite got the timing right and was wondering if someone could give me the right steps in setting it. I'm not sure what my base timing is but when my ignition link (white wire from distributer) is unhooked, I'm running 10 degrees at idle. When I hook it back up it runs at 25 degrees. Does this mean I have 15 degrees base timing? Thanks
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Old Aug 23, 2004 | 09:00 PM
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Your BASE timing is set at 10*. The ECM advances from there to whatever is programmed into it for various conditions.

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