Not Ranked
Hoss:
I see your point with regards to originality, and respect that. But can you imagine a '63 Grand Sport replica with a 4.6 DOHC '03 Cobra motor in it???
I personally feel that the differences in the LS1 won't make your car perform any better than a Ford powered Cobra. According to the books "How to build your Smallblock Ford", and "How to build your Bigblock Ford", a complete smallblock from the Windsor family (260-351) weighs roughly 425 lbs. An complete FE big block weighs roughly 525 lbs. With modern aluminum heads, you'll shave 50-75lbs off either of those weights. By way of comparison, Fords new engines are a quite a bit heavier. The 4.6 SOHC weighs 600 lbs, and the 4.6 DOHC weighs 500.
Either of the Fords can easily put out 400-450 horsepower. And gas mileage? Is that really a concern? Be honest...
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