Does this sound like a near dangerous tire stretch?

My Avant Garde Forged wheels arrived.  The rear wheel is a 20x11.  I originally went with a set of Yokohama S. Drives in 255/35/20 for the 20x11 wheels and there was absolutely no stretch at all.  The sidewall did not cave in.  Completely straight.  No Cheetah was required to set the bead. It aired up just fine and looks completely normal.  None of the lip is exposed and it surprised me to say the least bit.  I've searched all over and I've seen what a 245/35/20 looks like on a 20x11 with Toyo Proxes S1 tires, as well as Achilles tires.  Went through all 42 pages of the consolidate tire stretch thread, browsed Wrong Fitment Crew, Youtube, Google Images, 370 aggressive wheel thread and gone through nearly 1000 pages, as well as e46 Fanatics aggressive wheel thread and still have yet to find a good picture.  

So I'm considering three sizes, 255/30/20, 245/35/20 and the even have gone as far as a 245/30/20.  Does the 245/30/20 seem excessive for a 20x11?  Super thin sidewall and a stretch.  Sounds really insane.  Car is a heavy ass static 4th generation Lexus GS350.  BC Coilovers 12k/12k with Swift Springs.  Not slamming the car to tuck but would rather eliminate just the wheel gap.  Does 245/35/20 & 255/30/20 basically stretch the same?  

I would prefer for the sidewall to cave in, and not expose the inner barrel, only expose the lip.  Is this even achievable?  

The only issue that I've run into for the 255/30/20 is there aren't too many tire manufacturers available.  What do you guys recommend?

i woulda thought 255/35 would have had at least a little stretch, but brand/model plays a roll.

i'd recommend a more narrow width vs. a shorter sidewall.

why do you want stretched tires at all if you're not going to slam the car?

[QUOTE=OG;511390]i woulda thought 255/35 would have had at least a little stretch, but brand/model plays a roll.

i'd recommend a more narrow width vs. a shorter sidewall.

why do you want stretched tires at all if you're not going to slam the car?[/QUOTE]

255/35 Yokohama S. Drive's on a 20x11 had no stretch at all. It did not cave in like I saw from the pictures before actually purchasing the tires. I had to return them. I am going to go with a 245/35 for the rear and 225/30 in the front. 

Need to stretch the tires, as the wheels are very aggressive for this chassis. 1.5" poke in front and 2.5" poke in rear. Need to pull the quarters to get it to fit, but I will work it.

245/30/20. Stupid stretch and I run it daily. End thread.

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I run a 255/30-20 perfect amount of stretch


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For reference: 255/30 Toyo T1R on a 10,5"
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Thanks all.  I'm weary of the 85 load index on the 225/30/20 for my car, but whatever, it's a cheap tire.  Went with 225/30/20 and 245/35/20

[QUOTE=username86;511466]Thanks all.  I'm weary of the 85 load index on the 225/30/20 for my car, but whatever, it's a cheap tire.  Went with 225/30/20 and 245/35/20[/QUOTE]

Well that would be a good choice of tire size. Post some pics upon installing them.

ugh, so many wrong doings happening