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Old 05-02-2024, 06:40 AM
MDSHARK81 MDSHARK81 is offline
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Join Date: Apr 2010
Location: Staten Island, New York
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Quote:
Originally Posted by 70GS455 View Post
If it's the MSD 6AL box and your using the dedicated grey tach wire, the issue could be the tach. That signal is a 20% duty cycle square wave, which means it's 80% dwell, or 36 deg dwell. The factory tach will have trouble with 80% dwell as the rpms climb. There are those of us that have modern circuitry available that handle large variations in dwell very well.
Who is “us”, and what are the “modern cricuits” of which you speak?