Ewazix said:BTZ461 said:Oh well it was good enough for Steve Dinan and a multitude of other tuners, (across the pond, and in the fatherland Schmickler and others) to market as a upgrade, and the car owners with their buttometers, and real dyno's as well to laud it as a success.
Who am I to say :?
Using standard industry mathematical calculations based on maximum a 3000cc engine at 7000 rpm the ideal throttle body dia is 61.5 mm + 10% on a normally aspirated engine which = the standard 68mm item.
Out of interest - what do the calcs say for the 2500CC engine?