Hi Simon
Great thread this, lots of interesting opinion/input.
For my part - I've driven a number of 40s and not a lot sounded better than Roys 302 4bolt on Kinsler injection and solid roller lifters at 8K... it didn't have a huge amount below 3500rpm but all hell broke loose at 6K and it just went on and on....
His alloy 347 was a different beast indeed. based on a 302 with .125 overbore and .25 stroke, it had serious amounts of grunt from as little as 2000 rpm... Was great for sprints and hillclimbs, great off the line (esp in 2nd) and would pull cleanly from the tightest of hairpins... to be honest it was a better 'all round' motor than the 302 and still fun on the road.
It REALLY does depend upon what you're intending to do with the car.
'Bragging rights'?? - well 350HP can get you in a heap of trouble if you're careless, so god help someone not concentrating if they've got 500+ !
The best bragging rights would surely come from being a good 350HP driver that manages to stay ahead of a 500HP driver....
Still, whilst we're on the subject, a few pics of the motor going into Bjorn's GTD for 2008.... alloy, injected, based on a 351, 427ci and 572BHP...
