Does anybody know what the stock bore and stroke of a 77 mustang 302 is? And what size of cylinder heads they had with the size of the intake and exhuast valves. Plus how accurate is the program Dyno2000 if anybody uses it. Thanks
Bore = 4.0" (stock)
Stroke = 3.0" (stock)
Chamber Volume varies with the actual date code of head but 77 heads "should" have 69cc chambers.
All 302 heads (boss 302 excluded) use 1.78" intake valves and 1.48" exhaust valves.