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With 21psi on something higher than pump (additives or race gas), you should see 400+whp depending on your fuel system (injector size), and hopefully assuming you aren't using a stock cam.
I think 400+ is a little optimistic. But, it sure would be interesting to see the torque curve on this engine, he is using SFR Stage I headers which still utilize the tri-y configuration like the stock headers (good for low end torque not horsepower). So my SWAG would be 380+whp.
reno we don't have cam.
which one is the best?
the only thing we are trying is not going to 2.7, 2.8 or 3.0L.
to get 400+whp safe
i have the link at home. i think the web page is webcams i think. they have a good selection. maybe vitesse has some not sure about that. lr has one if i am not mistaken. i'll check when i get home