Your suggestion didn't work. This is a slide in range and the material supplied with it says to change the orifice hood in the oven. I've changed all orifice on top burners and turned piece around in regulator. I don't see anything that resembles this piece in the box that came with range.
Broiler gets quieter as it heats up.
This range is new. I'm not replacing anything. It's going to be warranty work from now on.
Thank you, Bob
The proper part was not supplied with the conversion kit.
If you could have helped. it would be worth $30 and saved me a lot of phone calls to Lowes.
GE sent me a new conversion kit. everything is working fine now.