Chevy Big Block Build - Trick Flow - Super Chevy Magazine

Engine Components For The Coolest Rat Pt. 3
This is a list of the pertinent pieces for this Rat's buildup. While you could substitute some pieces, we wouldn't stray too far, lest you'll suffer power losses and idling woes.

Bearings: Speed-Pro
Block: GM factory 2-bolt 454
Bore/Stroke/CID: 4.310/4.250/496
Cam: Lunati HR custom 255/265 @ .050, .629"/.629", 114 LS
Chain: Lunati billet (PN 93116)
Compression: 10.4:1
Connecting Rods: Trick Flow 6.385" (PN TFS-37638500)
Crank: SCAT 4130 nitrided steel (PN 5-454-4250-6385-2)
Dampener: TCI (PN 870005, internal balance)
Distributor: Holley Annihilator (PN 890-160)
EFI: Holley Commander 950 MPI, 50 lb-hr injectors (PN 300-515)
Head Gaskets: Fel-Pro (PN 1017-2)
Heads: AFR 315CNC (114cc chambers), springs (Lunati PN 73021), Ti retainers (Lunati PN 76113)
Ignition: Holley Commander 950 ECU-controlled distributor
Intake manifold: Holley (PN 9901-202)
Lifters: Lunati HR (PN 72820)
Oil System: Moroso kit (PN 22185)
Pistons: Lunati (PN 1515U4S6)
Plug wires: Holley (PN 50-9801)
Pushrods: Crane custom 3/8" (7.780" intake, 8.760" exhaust)
Rings: Speed-Pro Moly
Rockers: Lunati 1.7:1 (PN 84174)
Spark Plugs: Autolite (PN AR3923)
Throttle body: Holley 2,000-cfm (PN 112-538)
Timing cover: COMP Cams 2-piece aluminum (PN 212)

Afr Head Flow
315CNC intake port, 114cc chamber (reduced from standard 121cc), 2.25" Ferrea intake valve, 1.88" Ferrea exhaust valve, flowed with 2 1/8" exhaust tube @ 28" water depression

Lift	Int	Exh	Ext/Int flow %
.200	169	146	86%
.300	249	184	74%
.400	312	238	76%
.500	353	271	77%
.600	380	296	78%
.700	386	310	80%
.800	387	315	81%
Average			79%

A new Weiand electric water pump was installed to keep operating temps consistent.
The pencil is pointing to the mark left on the pistons after the engine was first assembled and turned over by hand. Note the triangle-shaped mark that was left behind and matched a corresponding point in the combustion chambers.
The pencil is pointing to the mark left on the pistons after the engine was first assemble
Here is the spot that the pistons hit the heads. We used a die grinder and relived this area about .040 inch then increased head gasket thickness from .039 to .051 inch for extra safety.
Here is the spot that the pistons hit the heads. We used a die grinder and relived this ar

SOURCES
Air Flow Research 10490 Ilex Avenue, Dept. MMFF Pacoima CA 91331	Mechanix Wear 24950 Anza Dr. Valencia CA 91355 6-61/-257-0474 www.mechanix.com
Fel-Pro 26555 Northwestern Hwy. Southfield MI 48033	Performance Automotive Wholesale (Paw) 21001 Nordhoff St Chatsworth CA 91311
Ferrea Racing Components 2600 Northwest 55th Court, Suite 238, Dept. MMFF Fort Lauderdale FL 33309	Powerhouse Products 3402 Democrat Rd. Memphis TN 38118 800-872-7223 901-795-7600 www.powerhouseproducts.com
Holley Performance Products 1801 Russellville Rd. Bowling Green, KY 42101 KY 42101 270-782-2900 www.holley.com	Vrbancic Brothers Racing 1463 E. Philadelphia Ontario CA 91761 909-930-9980
Lunati Cams A division of Holley Performance Products 4770 Lamar Ave Memphis TN 38118-7403