12.20's out a 413? Eh, nothing special. A buddy of mine is running much faster on a Vortec-headed 355. Those heads when worked properly go a long way. Good luck on your buildup
Good luck drifting too. 
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2018 Camaro 2SS Redline package, ESC Novi 1500 tuned by EFX, Might Mouse wild catch can, GM STB, smoked ZL1 3rd brake light, Xpel XR Black 35% tint all around, Street Scene front splitter, C7 Carbon ZL1 side skirts, Drake Muscle Car Wickerbill spoiler
2010 Infiniti G37x-Moonlight White w/Graphite interior. Stock...for now. Xpel XR Black tint(hey it's a mod lol)
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