GM_496_product_header
GM 496 Dressed Engine • Cast Iron Heads • Flat Tappet Cam
$5,745
HP & Torque: 440 HP / 560 FT LBS
Compression Ratio: 8.6:1
Cast Iron Heads
Hypereutectic Pistons
Flat Tappet Cam
Cast Steel Crank
Part #: BP4969CTC

Block:

Seasoned block, bored .060 over 
Two piece rear seal, drivers side dipstick
Square and parallel decked
Align honed main bearing bore
Cylinders honed on computer controlled machine to within .0002
straightness and roundness
Cylinders are sonic tested for thickness

Rotating Assembly:

New cast steel crankshaft
GM connecting rods
150,000 psi rod bolts
Hypereutectic Pistons
Moly rings
Rotating assembly balanced to within 2 grams
High volume oil pump
Flat tappet hydraulic cam
Double roller  timing set

Cylinder Heads:

Cast iron, small round internal port
120 cc chambers
Hardened retainers & keepers
2.25 swirl polished intake valves
1.88 swirl polished exhaust valves
Hardened push rods
Long slot rockers

Cam Specs:

Cam Type: Flat Tappet
.552 Intake .555 Exhaust
230 Intake / 236 Exhaust duration
@ .050 - 110 degree lobe separation

Ignition Timing:

34 degrees at 3500 RPM

Also Includes:

Dual plane, satin aluminum intake manifold
New valve covers, oil pan and timing cover
Brass freeze plugs
Distributor
800 CFM carburetor, manual choke
Dyno tested – and shipped with results

Warranty:

30 month / 50,000 mile

Notes:

Not for use in pollution controlled vehicles.

This block does have a mechanical fuel pump provision

Zinc Additive Required For Flat Tappet Application

Recommended Oil For Your BluePrint Crate Engine: 10W30,

Non-Synthetic. Not For EGR

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