exhaust ports
08-20-2006, 03:41 PM
#2
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the ls2 uses 243 castings if im not mistaken, same as z06 corvette. 70cc d shaped exhaust ports. the ls2 heads and the ls6 heads are a different part number, but im not sure exaclty all the differences, if any besides valves. most ls1's are 853 castings.