only the gen1 corrolla had the larger tb (acording to what i have read on the web). even then std tb is rated to 130bhp the 4efte has a larger throttle body, but with that you need the throttle possition sensor which is adjustable and this is suspected to give a slightly different voltage than the std. other mods youve said is good. i will hopefully be trying the corolla ecu soon, but the apparently needs the engine loom and a few sensors swaping, dont have any more info than that. diddnt see the insurance bit lol. std power will be plenty to get used to first, but the list you have is what you should be looking at.