MES rib question

[formerlyfatguy]

I've been using my 40" MES all summer and really enjoy it.
I'm used to cooking my baby backs on my ceramic cooker at 225 degrees for about 4-5 hours. When I cook the babies on my MES, at the same temperature, they cook very fast compared to the ceramic. It only takes about 2 1/2 hours for the 3 racks I usually cook. I've ben told the ceramic cooked ribs are more tender than the MES.
Anybody tell me why?

 

[werdwolf]

My thermostat has been pretty accurate, but I've read about many that aren't, You might want to check the temp against a digital thermometer. My Babybacks do pretty good on the 2/1.5/.5 routine and are tender.

 

[meat-man]

Dude I have a MES and you can make some killer ribs in it.