Your mate may be talking some **** 34psi all day every day seems like a big ask but its very easy to run 10s in a manual vl. Theres people running 10's with stock NA bottom ends. As much as people rag on VL's, RB's and VL's make awesome drag cars
http://www.youtube.com/watch?v=QBCc2...eature=related
Stock skyline r33 manual box. This car ran consistant 9 secs every time it went was street driven aswell.
This car is now called Temper been resprayed yellow (bt1 bro!!) runs 8's on skyline box although now it has been strengthened with straight cut gears and the like internally.
http://www.youtube.com/watch?v=wUnj_nPPSkA