This project allows you to adjust SDXL's two text encoder's strengths individually for clip_g (ViT-bigG) and clip_l (CLIP-ViT-L) within ComfyUI. (And other adjustments)
https://github.com/311-code/ComfyUI-MagicClip_Strength
git clone https://github.com/311-code/ComfyUI-MagicClip_Strength
comfy node install ComfyUI-MagicClip_Strength