ok i no this is an age old question but there still is know answer.

What engine to put into a s13, talking to a guy last night he goes by RB30 and claims 500Hp (with A Bit of Mods) now they r an old engine whats there relaibility and cost?

i an Keen on SR20 or RB20.. due to popularity and parts are around.

can some one though some ideas around no negative comments please, want to keep the engine nissan. must be road and track worthy..

Dont bother with the rb20.

Just like the CA18, they were only made to give tightass broke drifters with no idea something to move their car with.

SR and you wont look back.

might wana check out the wight of a rb30 compared to an sr or rb25, might stuff up the wight distribution and u wont b drifting anywhere... go the sr, good engine and no mod plating to be done

just buy an sr.
ca's and rb20's are torqueless and only useful because they're cheap to replace.

rb25 or 1jz if you have the coin.

the SR will be your ticket

there has been an answer for ages.

SR

26/30 ftw heaps of torque 400hp allday everyday

everyone should no this answer by now its the good old SR u wont look back once u have it

stick to the rolla's mate

Depends what your budget is. Rb20det is a damn cheap way to get power, engines are cheap and strong and can support 200rwkw with mild mods on standard injectors compared to 170rwkw on SR20 on standard injectors. Sure the SR is all alloy but if you have an NA s13 and want to do a conversion then you'll pay $3000 for sr20 with box compared to $1000 for rb20 and box. And if you were to spend the extra money then rb25 would be a better option anyway. Heavier engine but compensate with suspension setup.

The SR20 is a very good and very light engine but more expensive to get power from standard.