03-15-2021, 03:47 PM
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CC Member
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Join Date: May 2008
Location: Brisbane,
QLD
Cobra Make, Engine:
Posts: 2,797
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Not Ranked
Lovely car Ray.
A 770 is only good for about 5000, so depends on the camshaft and the rest of the engine combo as to how hard the engine can spin.
Perhaps you post a video of the engine idling, and/or under load from 2000 up?
With the restricted air cleaner size, you need the best/less restrictive filter media.
Once you are used to the power, a larger carburetor might be in your future.
Gary
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Gary
Gold Certified Holden Technician
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