358 Cubic Inch Stock Garvey

            If anyone has a question or needs an explanation about any rule in this class, refer to the engine Committee for verification.  Every engine must have two intake bolts drilled (across from each other) for sealing purposes. 

Block

            Any cast iron block, OEM or Aftermarket, as long as it meets General Motors 350 ci., Ford 302 & 351W ci., and or Chrysler 340 ci. OEM specifications.

No 400 Cubic Inch blocks may be used.

OEM Lifter Bores Mandatory.

OEM Cam location Mandatory.

Deck Height for selected Block to be within 0.20 +\- of OEM Spec.

Block Bore not to exceed: Chevy 350- 4.040, Ford 302,351W-4.040, Chrysler 340ci.-4.075.

Splayed Main Caps are Not Allowable.

Line Boring is Allowable.

Decking is Allowable (average deck height to be zero or less).

                                                                   Crankshaft

Strokes are to be OEM and In-kind to Cubic Inch and Manufacturer of block being used (no stroking or de-stroking).

350 GM Stroke: 3.48

351W Ford Stroke: 3.50

302 Ford Stroke: 3.00

340 Chrysler Stroke: 3.313

Aftermarket Crankshafts meeting OEM Specifications for cubic inch block being used will be allowed.

Journal Sizes must meet OEM Requirements and can be cut up to 0.040 under OEM Standard.

Drilling for oil will be allowed.

Balancing will be allowed.

No Ultra Light, No cut down, No knife-edge, must be stock in appearance.

Crankshaft must be cast iron or steel, No Titanium.

                                                         Connecting Rods

Connecting Rods may be OEM or Aftermarket, with OEM or aftermarket rod bolts.

Connecting Rods must be of Stock OEM Length measured center to center and contain an OEM Rod Journal Bore for Block being used.

Connecting Rod pinhole may be bushed.

Connecting Rods must be Steel, No Aluminum or Titanium.

Sportsman Rods Allowed.

                                                                                  Pistons

Any flat top pistons with four or two relief cuts(must be flat top piston).

Minimum combined Piston and Pin weights 530grams.

No dome pistons.

No Ultra Lites.

No Thermal coatings on tops of pistons.

Any three ring combination.

Compression height OEM (+/- 0.010).

No machining except for balancing and valve relief cuts.

                                     Camshaft and Timing Chain

Camshaft shall be any OEM style hydraulic Only.

No mushroom or roller style cams Allowed.

Hydraulic Lifters Only(lifter must function hydraulically with 0.050 min. piston travel).

Lifters must be OEM stock size.

No belt or gear drives Allowed.

OEM style chain drives only (double roller acceptable).

                                                         Oiling System

Wet Sumps Only (No dry sumps).

Any wet sump pan acceptable.

External oil coolers are Allowed.

Remote Oil Filters are Allowed.

                                                          Cylinder Heads

Cylinder Heads must be Cast Iron OEM, or RHS part number 12407 Only.

No Porting Or Port Matching of any kind on either heads or intake manifold.

No Acid porting or Spray welding may be performed.

Jesel type rocker arms and related Jesel parts are not permitted.

Roller Rockers are permitted. Ratios are as follows: Chevy-1.50, Ford-1.60, Chrysler-1.60

Dual Coil valve springs are permitted.

Only steel valve spring retainers may be used(no aluminum or titanium).

Any Valve Keepers May Be used.

Screw In Studs and Stud Girdles are Permitted.

                                                                   Valves

           Type                Intake               Exhaust           Rocker Arm Ratio

           Chevy              1.94                    1.50                           1.50

           Ford                 1.88                   1.60                            1.60

           Chrysler           2.02                   1.60                            1.60

Valve Stem must be stock OEM Diameter.

Pro-Flo or Titanium Valves Not Permitted.

Valve Under Cutting not Allowed

                                                              Carburetion

Only These Carburetor Types Allowed: Holley, Quadrajet, and Edelbrock.

Carburetors are to be 750CFM or smaller.

Venturies are to be  OEM with NO Polishing or Modifying Allowed.

Over sized Jets and Power valve Modification will be Allowed.

Removal of choke Butterfly and related hardware is Allowed.

Carburetor Must Have the Stock, Unaltered Air Horn.

Any Aluminum Four Barrel Intake Manifold may be used.

No Sheet Metal Intakes Allowed.

Wedge Specification And Valve Job Sheet Attached.

NO Milling of Intake Manifold. No Tunnel Rams.

                                                                 Ignition

Any OEM or Aftermarket Distributor, Coil, HEI, or MSD type Allowed.

No Magnetos

                                    Miscellaneous Specifications

Any Gasoline type Fuel, Example Fuels: VP, CAM 2, Torco, Sunoco.

No Fuel Additives Allowed.

Fuel Injection, NOS, Propane, Oxygen, and Alcohol are Not Permitted.

Any Exhaust or Starter and Fly Wheel combo is Allowed.

No Block Filler Allowed.

Oil Restrictors and Screen Kits Allowed.

Any Mechanical or Electrical Fuel Pump Allowed.

Direct drive or v drive.

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