3sge 3rd gen inquiries Options

[millow]

Helo guys im new to this site, im from the philippines and just got a 3sge 3rd gen for my st 171, was planing of upgrading the engine while its still out of the car, was thingking of puting itbs from a black top 4age and changing the values and springs from a beams which are allitle bit bigger or from a gte im still sourcing for the specs of other ge or gte and if they can be swap with minor machining, then go adjustable cam gears and cams with better lift, its kinda hard and expensive to look for 3sge parts here so im looking at the options from other gen that can be an upgrade for the 3rd gen, any sudgestions will be most appriciated. Thanks

[millow]

thanks guys, so stock springs are ok, just dont beyond 11.3 lift, i will try to find a good machine shop that can do the regrinds, thingking just 272deg with 10.5mm lift, how about cam gears, is it useless to use bigger values

i looking if i can mill the TB will not go itbs for now, what is a good piggyback system that a can use?

my 3sge cam from a JDM automatic, is it true that the intake cam of an 3sge 3rd gen auto is 240deg 8.7mm lift than the manual 252deg with a 9.8 or like what you said 10.115mm, havent opened it yet, i got the engine with out tranny