yeah the S15 SR is a beauty!!!.....
get an S14 SR and do a mild build....or if you get an S13 SR slap on the oem S14/15 turbo.......dont really know what to say...its all you man!....

 

300 hp on a t28 will be pretty tough.. gt30...haha.

300 hp RB20:
Rb25 turbo
Full 3 in exhaust
tubular mani
Front mount intercooler
550cc injectors
n62 maf
safc to calibrate and tune
15psi

 

-XAT Racing custom top-mount T3 tubular stainless steel manifold
-Custom 3in downpipe
-Wiseco 9:1 Pistons/Rings
-ARP HeadStuds
-Cometic 1.2mm metal Headgasket
-Cryo-treated stock Rods
-Brand new bearings
-Greddy VSPL intercooler kit
-Megan Racing Blow off valve
-Garrett T3/TO4E .63 AR Turbo
-TiAL 38mm external wastegate
-ACT NX1-HDR6 Heavy Duty PP w/ 6 Pad Race Disc Kit
-Custom 3inch cat-back exhaust
-DNA manual boost controller
-Mushroom style filter with aluminum MAFS Adapter
-Walbro 255 Fuel pump
-Z32 MAFS
-550cc injectors
-XAT Racing ECU ROM Tune *
-XAT Racing install and dyno tune
-Block Bore, head inspection

340rwhp

 

s15 is ball bearing
and wikipedia is stupid, i'll go change it back if you'd like

 

i can find a bunch of sites that says it is so i dont care what wiki says lol

 

If you'd spend the time to read my post, you'd notice that I said the s14 isn't ball bearing and claiming that the s15 is.