R34 GTT is much newer than R33 GT's and i WILL NEVER run anything that is lower than 97 on it. My B13 uses 92 so if you wanna pump something that uses 91 get a B13 or equivalent. No offense here, just that it's such a waste to ruin a nice RB25DET cause of cheap fuel
AND
On another note, No-one is gonna leave a GTT stock forever