13 oz tartan fabric, what to do?

[Manu]

So, as I decide how to use the gift card my wife got me for USA Kilts, I've come to the conclusion that I will be getting a premier model (machine stitched, hand finished, all the internal bells and whistles) in the County Cavan tartan from House of Edgar. Now, I have always been a fan of the idea of the 6 to 6.5 yard kilt for weight and balance reasons. I've seen Matt Newsome's 6 yard knife pleated kilts and they are a thing of beauty. I'd say climate because I live in South Florida, but im not sure that extra 1.5 yard would make a difference in temperature. The thing is, County Cavan tartan is only available in 13 oz fabric. My question to those with experience in both 13 and 16 oz fabrics, is the weight difference so noticeable that a 6.5 yard kilt in 13 oz will feel too light and weak? Beyond the ability to hold a pleat better, is the difference between 16 and 13 oz that noticeable that the full 8 yards are needed to feel it's a solid kilt? Thank you much in advance rabble!