Quote:
Originally Posted by FUH Q  I could imagine the longer stroke having more torque. The ls7 may be more reliable and I'll already know what mpg it gets. I dont see a reason why the ls3/l92 would have a huge difference in mpg though. |
ist it the other way around? Larger bore and shorter stroke provied mote TQ?
Covette examples:
The LS7 has a 4.125 bore and 4" stroke
the Ls7.r has 4.180" bore and 3.875" stroke
2006 Corvette Engine Specifications
2008 Corvette Z06 -- 2008 Corvette C6.R
Displacement (L / ci) 7.0 / 427 -- 7.0 / 427
Horsepower 505 @ 6300 rpm -- 590 @ 5400 rpm
Torque (lb-ft) 470 @ 4800 rpm -- 640 @ 4600 rpm
Bore diameter (mm / in) 104.8 / 4.125 -- 106.2 / 4.180
Crankshaft stroke (mm / in) 101.6 / 4 -- 98.42 / 3.875