Originally posted by FORDXR
Might wanna get that dyno looked at.
Considering they are 225 staight out of the box its is very very easy to get 280 kw out of them.
Mine b4 the rebuild had 284 from just an exhaust.
I think your confusing this figure for rwkw not fwkw.
btw I have also seen 2 n/a LS1's just last week that dyno at greater than 280 rwkw and 1 at 268 rwkw. They are awsome to say the least.
The 280 rwkw plus models were both 6.2 strokers but the 268 rwkw car was only cam and heads.
Hmmm I havent seen to many late model n/a Fords with only cam and heads make any where near that number.