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Discussion Starter #1 (Edited)

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world castings now makes a race block based on the ls7 called the warhawk. it can be safely bored and stroked to 454 and still have plenty strong sylinder walls....i think it retails for around 4000
 

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The 455 has a 4.160 bore and 4.185 stroke.
The LS7 has a 4.125 bore and 4.000 stroke.
In other words they mostly get it from stroke, just so you know.


And, the reason the Warlock block can go to 499 or 500 is because it has another inch of cylinder. Not quite the same as taking a LS7 or LS2 to 500ci. To do that you'd have to buy there spacer.
 
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