81 or 82 chain on down tensioner 16 x 46

[boxofbits]

So I want to go 16 x 46 with a pulldown tensioner do I use a 81 link chain or 82, or does it matter. I've had a few 81s fall to bits on the half link with 17 x 46 so I think 82 may be better but will it be to slack.

[garry inglis]

81 x46x16 82 will be slack use iwis

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[Burnside]

I'm using an IWIS 81 link chain with pull down tensioner on my 16 x 46 set up, been in for over 10k miles without any issues