10-23-2012, 02:27 PM
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Join Date: May 2008
Location: Brisbane,
QLD
Cobra Make, Engine:
Posts: 2,797
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If you rev it to 3000 rpm, does it have close to the same airflow as the other cylinders?
Leakdown test by itself is a good secondary test after a compression test.
A misfiring cylinder will not alter it's own airflow reading, it will affect another cylinder in the firing order.
Example: one could have a broken inlet rocker arm, leakdown of 3%, and rough running due to no intake stroke.
Swap 2 carbs around, you may have a twisted throttle shaft.
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Gary
Gold Certified Holden Technician
Last edited by Gaz64; 10-23-2012 at 02:31 PM..
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