Nick's Garage dyno's a 318 Stroker.

TrailBeast said

Not bad at all for a motor that wasn’t even running while he was tuning and there were motor sounds.:D

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Well you know, it IS TV. Also, if you noticed when he adjusted the timing, he said he was advancing it, yet he turned it clockwise. LOL That's ok though, Nick's the real deal even if the show isn't.