The video was more of a "look how fast the needle goes around" rather than "how fast it in MPH it goes".... But yes I agree speedos are usually out, a MKIV is a bit more accurate than a MKV iirc although his has been GPS'd well off the clock too.
It's a MKIV 1.8T (bored to 2.1 now I think) and running some very impressive hardware. However, in true sleeper style, you'd never guess to look at it.
Anyways...
No John, I'll be as-is this time around, no more mods. S3 arms/HPFP & 'cooler going on for Rockingham in March though.