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Old 07-28-2015, 12:52 AM   #1
71chevswb
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Join Date: Oct 2011
Location: NorthWest
Posts: 131
454 motor build Horsepower/torque Estimation

Currently building a 454 from the ground up. Below are the specs. What is an estimated horsepower and torque for this motor? Thanks!


454 2 bolt main block
0.030 bore over (All balanced )
1968 396 BBC oval port heads
PRW 1.7 aluminum roller rockers
Comp cams "Mutha thumpa" cam
Domed Pistons
About 9.4:1 compression
Weiand tunnel ram
2 Holley 450 cfm carbs
Sanderson headers

What more is needed to estimate horsepower and torque ratings?
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