Sorry I can't provide any real hp numbers for you, but I did want to make sure you knew that you going to have to flycut your pistons before you can run the heads. Plus unless your going to run some form of power adder, you'll make more power with the 180's anyway staying NA.
And as far as I'm concerned, the Windsor Jrs and Srs (aka Roush 180's &200's) are the best bang for the buck heads on the market.
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91 single turbo vert
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