To be honest, for the price id be fitting some 560s instead as a minimum so you have a little more scope on the fuelling side for more mods.

An 044 and fresh wiring is a necessity at this level IMO.

The level your considering is almost precisely what i ran to the ring on last year (except mine is higher compression), so if your interested you can see my comprehensive fuel consumption report in this topic here: and a seperate uk only consumption report in this one here: