Compression ratios

My N/A engine build checked in at approximately 10.5:1
Just need a good tune to avoid any detonation.
What's amazing to me is that multiple companies put blowers on stock 12.0:1 Coyotes and offer a warranty....:eek:
 
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I ran a Trilogy @ 425 RWHP for over 50000 with 10 to 1, new owner put another 20K without any problems. Don't know who has the vehicle now, it was on Streetside Classics last time I looked, haven't heard anyone new as owner yet.
 
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