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413 CID Pontiac Project

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413 CID Pontiac Project

ENGINE
Type: Pontiac OHV V8

Block: 1970 Pontiac 400, 4-Bolt Main, Screw-In galley Plugs, Rear Plug Drilled to .030" Diameter, Zero-Decked

Bore/Stroke: 4.181" x 3.750"

Cylinder Heads: 6X-4 Ported/Fully Polished, 240cfm Intake @ .600" and 28in/H20, 212cfm Exhaust @ .600" and 28in/H20, 2.110" x 1.660" Undercut-Stem SS valves

Valvetrain: Isky 5105 Dual Springs, Titanium Retainers and Locks, PPR 1.50 SS Roler Rockers

Crank: 1970 'N' Crank, Stock Stroke, .011" Undersize, Cross-Drilled

Rods: PPR 5140 Forged with 7/16" ARP Bolts

Camshaft: Custom Ground Ultradyne Hydraulic Flat-Tappet .490"/.510" - 231/235 @ .050" - 110 LSA

Cooling: Front Cooling Holes Around Cylinders #1 & #2 Restricted to .090" diameter, Cooling Port in Block and Heads Added Between Cylinders #2/4 and 3/5
Side by Side.jpg

6X-4.jpg 400 Oil Hole After.jpg Side by Side.jpg 6X Bowls.jpg Grooved Thrust Plate.jpg 413 Mock Up.jpg
Click Thumbnail to Enlarge.

Gallery Statistics
Member: R.H.R.E.
Created: 01-15-10
04:57PM
Last Modified: 01-19-10
11:50AM
Views: 871
Images: 6
Comments: 0


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