Reply to "Engine starts to break up @ 3500 RPM"

'71 Pantera #1477 (Guest)

Holley advice; My new 600 holley was missing the secondary metering plate (not a metering block) so when I pulled the bowl all that was visible was a blue gasket there should have been a plate over that. It did just what you are speaking of and it gets worse if you try to push it past it. I added a metering plate and all was clear.. Hope this helps.. If this is not the case you may also want to check out your power valves they blow easily..

7/5/0512:54 PM

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