Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on October 29, 1997.
As of Sunday, December 22nd, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

ModelsModification
1982-1987 GM Camaros/ Firebirds originally equipped with 5.0L or 5.7L enginesIt includes the following main components: ZZ4 5.7L enigne (part no. 24502609) which includes a new camshaft, pistons, cylinder heads, intake and exhaust manifolds, an electronic control unit, new dual catalyst exhaust system, and transmission shift kit. It does not utilize the use of an EGR valve or the carburetor heat stove. Exhibit A list additional parts included with the kit

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-278-1
  • Executive Order 278-1 / D278-1
  • ARB # D-278-1
  • Executive Order No: D-278-1
  • C.A.R.B. No. D-278-1
  • Resolution D-278-1
For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]

Download: Executive Order D-278-1 PDF

D-278-1 Document:

CARB_D-278-1

(Page 1 of 2) State of California AIR RESOURCES BOARD EXECUTIVE ORDER D—278—1 Relating to Exemptions Under Section 27156 of the Vehicle Code GM MOTORSPORTS 5.7L H.0. Performance Package Pursuant to the authority vested in the Air Resources Board by Section 27156 ofthe Vehicle Code; and Pursuant to the authority vested in the undersigned by Sections 39515 and 39516 ofthe Health and Safety Code and Executive Order G—45—9; IT IS ORDERED AND RESOLVED: That the installation of the 5.7L H.O. Performance Package manufactured by GM Motorsports of 30007 Van Dyke Ave. Warren, Michigan 48090—9065, has been found not to reduce the effectiveness of the applicable vehicle pollution control system and, therefore, is exempt from the prohibitions of Section 27156 of the Vehicle Code for 1982—87 Camaros/Firebirds originally equipped with a 5.0 or 5.7L engine. The 5.7L H.O. Performance Package includes the following main components: ZZ4 5.7L engine (part no. 24502609) which includes a new camshaft, pistons, cylinder heads, intake and exhaust manifolds, an electronic control unit, new dual catalyst exhaust system, and transmission shift kit. The Performance Package does not utilize the use of an EGR valve or the carburetor heat stove. Exhibit A list additional parts included with the kit. This Executive Order is valid provided that installation instructions for this kit will not recommend tuning the vehicles to specifications different from those of GM Motorsports. Changes made to the design or operating conditions of the devices, as exempt by the Air Resources Board, which adversely affect the performance ofa vehicle‘s pollution control system shall invalidate this Executive Order. Marketing of this device using any identification other than that shown in this Executive Order or marketing of this device for an application other than those listed in this Executive Order shall be prohibited unless prior approval is obtained from the Air Resources Board. This Executive Order does not constitute any opinion as to the effect the use of the device may have on any warranty either expressed or implied by the vehicle‘s manufacturer. THIS EXECUTIVE ORDER DOES NOT CONSTITUTE A CERTIFICATION, ACCREDITATION, APPROVAL, OR ANY OTHER TYPE OF ENDORSEMENT BY THE AIR RESOURCES BOARD OF CLAIMS OF THE APPLICANT CONCERNING ANTI—POLLUTION BENEFITS OR ANY ALLEGED BENEFITS OF GM MOTORSPORTS® 5.7L H.O. PERFORMANCE PACKAGE. No claim of any kind, such as "Approved by the Air Resources Board," may be made with respect to the action taken herein in any advertising or other oral or written communication.

GM MOTORSPORTS Executive Order D—278—1 5.7L H.O. Performance Package (Page 2 of 2) Violation of any of the above conditions shall be grounds for revocation of this order. The order may be revoked only after ten days written notice of intention to revoke the order, in which period the holder of the order may request in writing a hearing to contest the proposed revocation. If a hearing is requested, it will be held within ten days of receipt of the request and the order may not be revoked until a determination after hearing that grounds for revocation exist. L. Executed at El Monte, California, thisé! 2 Tsay of October 1 R. B. Simmerfield, Chief Mobile Source Operations Division

2 EXHIBIT A a i z |Z& & z |z : = |S|& o = = SS |E o = 4 19 8 € 19 |g = PaAg § 1sS & $ |3 t $ |§ )$ 3 |g & 2 |8|8 j 8|# |$ aTY PART NAMF P/N PART NAME 1 5.71 HO ENGINE x x CALIBRATION CONTD 1 INSTRUCTION MANUAL 24502463 _X x 1 COOLING FAN SwiTcH 3053190 x x INDUCTION SYSTEM ‘ (950) 1 LH DUCT 14070917 x _X EXHAUST SYSTEM 1 BH OUCT 14070918 X X 1 LH MANIFOLD 14094063 | x x x 4 SCREW_ 11513801 X _X 1 RH MANIFOLD 14094064 | _X X x _ 0_ _|thhose 14073299 X°| X 1 HEATSToVve,Playe __ 0 I_X_LX_I x 1 aH Hose 14083990 | x x 1 Heat stove, coven_ o OXCTXTOX 1 1 | Ain CuEaNnER ASSY. 25043641 1 X ! X 2 STUD 1 14042051 ) X | x x 1 1 __| stuo 14048874 | xT xX 2 STuo i2ss@a7s i _X i xX I x |___1____ L NUTWInG 25512080 | x |_X a NUT 14019305 i _X [ _X x | 1000 J8€E 469506 1 x I x ] 1 SEAL, EXHAUST i igissa63 i _X 1 X x 101 2 in ELBOW 3970070 : _X 1 x ! & 1__.| TAKEDOWN, DUAL CAT _: 10185070 _X i _X x : FUEL SYSTEM 1° 7 HEAT SHIELD, 7 iG16e153 ; x | X | x [ T 0| IN—TANKFUEL PUMP | 14085386 | | X | x CATALYST ! 1O | i KGT | | i 1 1 SCREW,M6.3—1.8x20 12307828 °_X : x i x I 7 FUEL PUMP. IN—TANK _] 2sM6279 1 _X 1 _X lX 1 PiPE, aif 10 10077542 ; X [ x2°x) iCO 30 _OO sTRaAINER 25058458 ) _X | x CX CONVERTER ‘ i 1 CCa PreSSURE 10185094 : X | X | x 1 CLAMP, Aif PIPE i 2asosi16_X _i _X 1 _X |____ _{Aecuratonr §D Ob P U 1 | BRACKET, | 10081603 X | Xx ; [ 4 "eakcketPReSSURE idiss069 ; X ; x x | conventen Hancer_ _ bo 1 _| REGULATOR ! 00 | 2 BOLT, CONVERTEN O — 11504598 x : x | x | 1— j QUTLET FITTNG 8 | Seg2zey , X > x BAACKET_______ | . | QPIPE TO 38 INVERTED ; bo }Poj 1 IINTEHMEDSATE PIPE, | aaso2a61 . x | X | % |FLaRe | 10 d _4 MUFFLER, TaiuPipes® _| : i . 1_ |RetuaNfitting 1 ioi8s098 . X _X x TRANSMISSION 1 i 48 PIPE TO ¥8 HOSE w; ‘-0185096i X | X | X 1 lSPmNG PRESSURE | seagise x | X | 1 ! EITTING ©20d REGULATOR _ ! 500b j CALlBHATION | 1___i VALVE, TV BCOST 8634940 : _X i X ; x 171 __ CconmrotLes, sem _ 1228079 _X i _X x 1___| SEAVO. PISTON i 8ea207e X _X [ x {09d CALIBRATOR,PRCM | 2asoras?| | x ; 1___| SEAvo. housing : sea21m0 _X °_X 1 x i : 1982—84 LG4 B 1OP _ REAR SUSPENSION Jo C \C;BL:'BBF;ALTSF%‘Z%\Cso |_ ge§tzase ; X | | x j 2 _1 LOweR CSNTROLAAM _ Tor6a151 _X _X 1 xX I . 82. oo oo DECALS : Ifn‘g\-lgs—gfi [ KNOCK ULE, ELEC. 11O 10488018 1X 10LX iéiz8261 ; X | 0P ; x | J DECALUNBERHKGOD—| TUNE UP LABEL rasorage:i"op x | x *|4 x | SPARK CONTROL ! 1O } d — —— ————— 3 —nuereang fobs. : esn x | xC 1 DP;CEAi\f.IUMFUELONU 25602518: x | x | x f ! SECONDARY (AH) 100d d _ — * For replacement exhaust symm componients, wnucl Flowmasic X= PART USED IN CONVERSION Inc., 2975 Dutton Ave., Unit 3, Suntia Rosa, CA 95407, 707—344—1761. VEHICLE IDENTIFICATION The H.0. 350 conversion kit is designed Io installation in 1982—87 Camaros originall Rgcashep— equipped with LG+4 or L69 engines. Due to dif ferences in original equipment in these vehicles some ofthe components included in this conver sion kit ure not used with all year models an« engines. The pars required to install the H.C H.O. 350 ENGINE SPECIFICATIONS 350 conversion puckuge ona specilic model yee and engine ure noted in the chart above. Displacement: 5.7—liter (350ci) The [ictory—installed engine is identified by Bore and Stroke: 4.00" x 3.48" Ietter code that appears in the cighth place ofthi Compression Rutio: 9.8: 1 Vehicle Identification Number (VIN). in the fol Piston Material: Cast hypercutectic aluminum lowing example a Vehicfe Identification Num— coonecting Rod Material: 1053 forged stect ber, the letter "H"is the engine code: mshaft: Rydraulic roiler tippet (#10185071) Rocker Arm Ratio: [.5:1 Oil Pressure (Normai): 40 psi@ 2000 rpm 1GLFP3IROLL10001 ive Lift (Intake/Exhaust): .474"/.510" uration Untuke/Exhaust): 208/221 degrees Spurk Plugs: AC FR5LS, 904 or MR43LTS The following are VIN engine codes for 1982 @.050" appet lif Muximum Recommended Engine Speed: 87 Camuros with LG4 und L69 engines: Valve Lash (Intake/{Exhaust): Zerofzero 5800 rpim Year VIN Engine Cylinder Head Material: Cast aluminum Fuel Requirement; Unieaded premium 1983—86 "G" L69 Vaive Diameter (Intake/Exhaust): 1.94"/1.50" 92 octine (R+M/2) 1982—47. "H" LG4 2


Document Created: 2005-09-01 12:15:28
Document Modified: 2005-09-01 12:15:28

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