Originally Posted by turbotrev

My best without nos is 12.5 at the same terminals

And 12.3 with.

My 12.3 was at a lower boost as on full power and road tyres it just losses traction off the line at pod.

On full power my terminals are 126/127, on the number of 12.3 runs I've done they've been about 122/123

Because the nitrous cuts out at a bar of boost it's only on for very short bursts so an 11lb bottle lasts numerous tanks of fuel (roughly 3-4 tanks)

Cheers Paul