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468 cid big block Chevy engine dyno runs

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Uploaded by on Dec 18, 2008

Here are some video clips of my Chevelle's 468 doing dyno time. It peaked at 619 hp and 570 lb/ft. Not too bad for a little engine with a hydraulic roller!

Here are the specs...

468 cid, 4 bolt main
AFR 305 heads
Edelbrock Victor Jr. intake
Quick Fuel 850 mec sec carb (custom calibrated)
Comp hyd. roller cam (.612 lift, 244* @ .050)
Schubeck Roller X lifters (65 grams each)
Jesel shaft rockers, 1.7
Jesel 3/8" chrome moly pushrods
SRP forged pistons w/ ceramic coated tops and DFL coated skirts
Total Seal rings
Scat forged 4340 Lightweight Pro Comp crank
Scat 6.385" forged 4340 H-beam rods w/ ARP 7/16" cap screws
Rotating assembly balanced
ARP main, head, and oil pan studs
MSD e-curve distributor
MSD 6A ignition box
MSD Blaster 3 coil
MSD 8.5mm Super Conductor wires
Denso IK20 plugs
Mezeire billet mechanical water pump
Stahl custom made stepped headers, 2 to 2.25 primary pipes, 3.5 collectors

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Autos & Vehicles

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Uploader Comments (cnhlumpp)

  • how can this be a 468 when the stock rod length is 6.135

  • Rod length has nothing to do with calculating cubic inches.

    Cubic inches = bore x bore x stroke x # of cylinders x .7854

    For those interested, the Scat rods in this engine are 6.385".

  • what valves are you using?

  • The valves are what come standard in the AFR heads. It also has titanium retainers, Jesel shaft rockers, Jesel pushrods, and Schubeck Roller X lifters.

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All Comments (16)

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  • Nice !! sounds mean!! tell us more about the motor.. cam ... heads specs.. pistons ect? thanks! building a solid roller 496 as we speak, can wait to dyno it!

  • whats the compression?

  • Yeah, it's a spinner!

  • It spins pretty good. It's like a big 327! I have a new big block in the planning stage right now and when I'm done it should hopefully rev to 8500 rpm.

  • 10.2:1 and yes, pump gas, usually 93, sometimes 91 if that's all I can get.

  • Yeah, it gets up and goes pretty good!

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