I went with the 430HP LS3. Got the car running and then did a cam swap.
HP exceeds the 295/35/18 tires very easy. However the cam swap that I used does make car buck some what at low speeds but it is not a big issue and still does fine in traffic. It is 227/237 , 613/622 with 114 Lobe centers. Dyno numbers are very subjective but my car was 517HP / 497 TQ at the wheels through a 9" with 3.55 rear and a TKO600 with no other mods other than long tube headers. I feel it was a very generous day. Either way these LS engines are sneaky fast and start every time. They don't put out the same thump as a SBC can or BB does but way less drama on top of decent fuel mileage
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Tom
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