WS6.. They make more power n/a than a mustang gt will and they are lighter i believe. I have a buddie with a cam (+headers) only trans am formula doing 11.9s, stock heads, intake mani, etc... the lsx motors are sick to mod and respond way better than a mustang. Cammed they still are able to get 26mpg! I get 29.5 on my ls6 vette now.Originally Posted by crf150




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