I just wondering if anybody knows if a celica gts engine has been put in a echo.I'm looking to try and get as much info as possible.That would be a sweet swap.  

probably not. the echo bay is so incredibly tiny compared to the celica bay, plus its an echo, it would be sweet as poo having a fast echo, but i doubt it will work.  

I have no idea, but you might want to try the smaller 4ag engines from the older Corolla's there's a fast one they used on the MR2s it's a 1.6 so the chances of it fitting are better.