The time has come to finally see how much power Zac's 9.3 Liter (572ci) Big Block Chevy motor is making. We hit the dyno room at Smeding performance to get a lesson in how to properly break in a new engine and get it tuned from proper drive-ability and maximum performance.

Catch up on the k5 build here:
572 Swap Pt.2 -    • 9.3 Liter V8 Build! - Zac's Squarebod...  
572 Swap Pt.1 -    • 9.3 Liter V8?! Zac's Squarebody K5 Ge...  
4l85e/NP205 swap -    • It RUNS! 454 V8 GMC Jimmy Project Mov...  
Painless Wiring harness install -    • Zac’s K5 Blazer is a Wiring Spaghetti...  
Vintage Air front runner kit -    • Making a 1978 K5 GMC Jimmy 200% More ...  
Vintage Air A/C install -    • Cold Air Chronicles Pt. 2: Finishing ...  
Currie axle & diff rebuild -    • Zac Goes to Utah! Bringing the Jimmy ...  

Special Thanks:
@smedingperformance
@thatengineguy
@holleyperformance
@dartmachinery
@AFR_Heads
@aeromotive
@CompCamsOfficial
@gearstarpro
@painlesswiring
@vintageair_
@currieenterprises
@thermotec
@driveshaftpro

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