with smaller engines take little strain with nitrous but if you had small bhp shot for example friend of mine does noz kits for any car's etc i asked about me 3.0 v6 and he said 100bhp noz kit would be fine so maybe say 50 bhp shot would be ok
Agreed 50bhp should be ok..still wont last as long as it would have done though.. engine tuners safe-ish target 100bhp per litre..
nitrous is all about straight line performance.. drag racing really..good for a laugh.. but no substitute for keeping a well set up sparkly motor on cam up and down the box and through the twistys..
I should think that a 'fast road' twinny with good head work, more radical cams and a remap should be good for 200ish..
only on a rebuilt, lightened and balanced bottom end though.
All very labour intensive hard work..miles away from slapping on a fancy back box and e bay filter.. and in real terms that extra 50 bhp will give you about an extra 10mph..
K&N were good in the old days when most standard induction systems were at best marginal.. but most are pretty good these days and to be honest the twinny set up especially the phase one, takes some beating even with a paper filter.. capable of flowing far more than the engine will ever need.
I also feel that its not about all out power but how it is delivered.. my biggest gripe about these cars is the throttle responce.. hit the pedal and wait ten seconds for anything to happen.. having been brought up on nice crisp webbers and dellorotos.. bloody environ-mentalists.. bring back carbs and straight through pipes! and of course the weight.. but thats another story..