"Light roast", when people talk about it here, is much lighter than anything that you'd typically find from a roaster that is said to be "for espresso". It is typically coffee that is roasted with drip methods in mind and then on the light side of that range. If what you've got is from a reputable roaster that they have

And there you go! Tightened it as suggested and she's running smooth lol. Thank you for the help!