Ignition Timing

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May 2, 2003 | 01:55 PM

Corvettewolf

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Intermediate

Joined: Mar 2003

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From: Poinciana Florida

Ignition Timing

Installed an Edelbrock carb to my 80. Do I need to change ignition timing to that shown in manual with standard carb

May 2, 2003 | 02:08 PM

Captain Morgan

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From: Westfield Indiana

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Re: Ignition Timing (Corvettewolf)

Your ignition timing should be set to optimize performance, not set at an idle speed. You want to have about 32-36 degrees of total mechanical advance by about 3000 RPM (vacuum hose off and plugged). If you don't know how to check for this, then check out Lars' paper on the subject.
http://www.corvettefaq.com/c3/HowToSetTiming.doc

I highly recommend http://www.corvettefaq.com

May 2, 2003 | 02:38 PM

page62

Le Mans Master

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From: Coming home from Luckenbach Texas

Re: Ignition Timing (Captain Morgan)

:iagree: What he said.

May 2, 2003 | 08:54 PM

Vetterodder

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From: Fountain Hills AZ

Re: Ignition Timing (Corvettewolf)

Changing the carb should have no effect on timing needs. As already posted, you will get the best performance by re-curving the distributor to allow for total advance by about 3,000 rpm. Most stock distributors don't reach total advance until past 4,000 rpm so you'll need to replace it's springs to do so.

May 3, 2003 | 09:38 AM

page62

Le Mans Master

Joined: Mar 2002

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From: Coming home from Luckenbach Texas

Re: Ignition Timing (Corvettewolf)

Contact Lars about obtaining one of his recurve kits. Best bang for the buck! :yesnod:

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