Viking oven not getting up to temp

Hi! I have a Viking VGSC305-4BDSS that has an issue with the oven. Left side was formerly fine with appropriate size flame, but the right side was not lighting correctly. I replaced both oven burner tubes while I was in there. Now both are lighting just fine, ignitors are good, but the flame is very low on both burners. Doesn't matter how high I crank it, I still see a lower than expected flame. Now running for 30+ minutes and still not preheated to 350. Any helpful hints would be...

Viking oven not getting up to temp

via Viking oven not getting up to temp
by bosullivan