Why spend $6000 on a V8, then mod this and that. not including ECU, and tons of other stuff, and by the time it's done, you'll need more than 6K unless you are doing 80 of the labor.
Take the 6K and rebuild the VR4 block, some turbo upgrades, and you'll have your 500hp.
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Ain't this the pretiest motor or what?
Fines are the fee you pay for the privilege of driving as fast as you want