i love my b13 as i love my 84 chevy PU...they share my time. some weeks its back and forth, some weeks its one or the other. all depends on whos having issues and my mood in the morning of what i want to drive. i built my motor myself and swapped it in. its an avenir that i had re-honed. the head was port + polished. new valves, guides, springs + retainers in the head with 8.5:1 and new rings and bearings in the block. i reused the stock rods. s4's, fidanza flywheel, s13 t25, tial 38mm external wastegate, srt-4 FMIC, ebay BOV, nismo 555's and FPR, walbro 255, prothanes, jwt extreme PP and disk, calum realtime, and the pacesetter STS. KYB's with hypercoils, st front sway bar, and cusco FSTB. i think thats it.....ive put about 7k on the motor since the swap. i drive it calm in the morning to work, but the sound of spool makes my right foot heavy!!! i didnt build a turbo motor to not boost!!! shes running between 12-14psi. issues include a "new" leaky lower oil pan that i have already once tried to reseal. next oil change i will attempt again. my new clutch cable just went bad and got swapped out a couple days ago. i blew a brake line, but that wasnt boost related, i live in NH and it was rotted to hell! not really any major issue as of yet other than eating up tires between boost and poor alignment. my NUMBER 1 problem is the dagone motor refuses to idle when its cold. once it warms up to operating temp, its cool. but from about zero to 80-100 degrees, it will just stall. i did a sh*tload of research and actually fixed it for about 2 days...then back to the same ol thing...holding the throttle till it warms up. it is extremely frustrating, but i vow to fix it come spring!!! other than that im good for now.