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Old 08-05-2018, 06:52 AM   #2
Gunkk
Thank you Al Oppenheiser!
 
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Drives: Red Hot A10 ZL1 Convertible
Join Date: Jun 2017
Location: Sarasota, FL
Posts: 5,183
In a nutshell: The lifters stop lifting and the fuel is cut off to 4 cylinders.

Here's a couple vids...



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