Originally Posted by
Mark Shead
I have only run once on a dyno pack and the Supra made 872hp at the hubs which I thought wa a bit high,
One of my dealers maps on them he recons about a 10% loss to take it to the tyres is about right to get it to a dyno dynamics fig,
I have run a few from a superflow engine dyno to a Dyno dynamics and they have had 22 to 25% losses if you want to make it to a Flywheel fig,
There own losses is a flat 21ish % so quite close on 4wd cars.
Mark
thanks mate, my car at 1.2 bar made 460 rwhp and 543 fwhp, now 1.5 bar around 500 rwhp id hope, i was also curious how accurate that was as engine never went on engine dyno after the build only dd rollers.