tuning-breakin

[European180sx]

hey peeps, so the european guy here had to go international for some advice :S recently got an s13 (ca18det) when i got it i all ready had an engine that had been rebuild by sparkworks in UK, hy question is how ever now i have to put in the engine as the old engine is gone and all i have left are som tuner bits, its got a wallbro fuel pump, gt2860 rs turbo(64 trim), 444 injectors, fmic, free flow airfilter, hks ssqv bov, Z32 maf and free flow 3" exhaust...and i have to break in the engine :S will the tuning bits kill the engine during break in? i have an aem tru boost device to make sure the boost stays low of course but still im not too fond of it all :S and i cant tune it in till the engine is broken in either due to the revs when they tune it in... please need some advice guys will i have to go and source all the original parts to break in the engine?

and sorry for my poor english :P