Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on December 1, 1992.
As of Monday, April 21st, 2025 this Executive Order has not been overturned or superceeded.

Approved Parts

Models
1982-1992 GM vehicles with 2.8 to 5.7 liter engines and Ford vehicles with 5.0 engine as listed in E.O.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-260-2
  • Executive Order 260-2 / D260-2
  • ARB # D-260-2
  • Executive Order No: D-260-2
  • C.A.R.B. No. D-260-2
  • Resolution D-260-2
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-260-2 PDF

D-260-2 Document:

CARB_D-260-2

* * (Page 1. of 2) . *—e_ State of California AIR RESOURCES BOARD EXECUTIVE ORDER D—260—2 Relating to Exemptions Under Section 27156 of the Vehicle Code HYPERTECH, INC. THERMO—MASTER PROM CHIPS Pursuant to the authority vested in the Air Resources Board. "ARB) by Sectxoo —# 27156 of the Vehicle Code; and Pursuant to the authority vested in the undersigned by Sections 39515 and 39516 of the Health and Safety Code and Executive Order G—4§—5; IT IS ORDERED AND RESOLVED: That the installation of the Thermo—Master PROM chips manufactured by Hypertech, Inc. have been found not to reduce the effectiveness of required motor vehicle pollution control devices and, therefore, are exempt from the prohibitions of Section 27156 of the Vehicle Code for 1982—92 General Motors vehicles with 2.8 to 5.7 liter engines and Ford Motor Company vehicles with 5.0 engine as lxste‘ in Exhibit A, which is attached hereto and incorporated herein. Ti.lsc Exgiugtive Orfler is valid pr,v;ded that instaslizt.tt instructions for the Trerms—Master PROM chips will amot mpenmmgrnd tuning the vehicle to > . ©W ie specifications different from those submztted by theaevice manufacturer. ~ Changes made to the deséagn or operating conditions of the device, as exempted by the ARB, that adversely affect the performance of a vehicle‘s pollution control system shall invalidate this Executive Order. Marketing of this device using an identification other than that shown in this Executive Order or marketing of this device for an application other than these listed in this Executive Order shall be prr~ibited unless prior aprrtval is obtained from the Air Resources Scard. This Exerutive Orgder does not consticute any cpinion s to the effect thie use Cf tris device may have on any warranty either exzressed or implied by the venicle manufacturor. c This Executive Orosr is granted based or results fror emissions tests conducted in accordance with Coid—Start CVS—75 Federal Test Procedure. However, the ARB finds that reasonable grounds exist to believe that use of the Thermo—Master PROM chips may adversely affect emissions of motor vehicles when operating under conditions outside the parameters of the previously prescribed test procedures. Accordingly, the ARB reserves the right to conduct additional emission tests, in the future, as such tests are developed, that will more adequately measure emissions from all cycle If such test results demonstrate that the Thermo—Master PROM chips 1v a af f emissions during off—sycole csorditiscss (defined as those conditicnas w are beyond the parsmeters ofi the Colf—Start CVS—75 Federal Test Procedu this Executive Order shall be effect:vely rescinded as of tne date the results are velifateq Furthsr, if sush cest results or

HYPERTECH, INC. EXECUTIVE OPLER D—260—2—> (Page iz of 2) “-.f — = «m other evidence provides the ARB with reason to suspect that the Thermo— Master PROM chips will affect the durability of the emfission control system, Hypertech, Inc. shall be required to submit durability data to show that the durability of the vehicle emission control system is not, in fact, affected and/or that the add—on or modified part demonstrates adequate durability. In addition to the foregoing, the ARB reserves the right in the future to review this Executive Order and the exemption provided herein to assure that the exempted add—on or modified part continues to meet the standards and procedures of Title 13, California Code of Regulations, Section 2222, et seq. THIS EXECUTIVE ORDER DOES NOT CONSTITUTE A CERTIFICAT:ON, ACCREDITATION, APPROVAL, OR ANY OTHER TYPEB OF ENDORSEMENT BY THE AIF RESOURCES BOARD OF ANY CLAIMS OF THE APPLICANT CONCERNING ANTI—POLLUTION BEKZFITS OR ANY ALLEGED BENEFITS OF HYPERTECH, INC.‘S THERMO—MASTER PROM CHIFPS. 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 afvertising or other oral or written communication. aL— Section i=fAAr oi 17502 ~8C the Bs the ase Buslnose wor uE& cstpugA —~~ toTokote c2LPuR TT mlsleading sdivertising unilicelu pr—oss violation . 1 aooms L punishable as & misdemeanor — *% — e Section 43644 of the Health and Safety Code provides &s follows: — 2 0® #43644, (a) No person shall install, sell, ofier for sale, or advertise, or, except in an application to the szate board for certification of a device, represent, any device as a motor vehicle pollution control device for use on any used motzcr vehicle unless that device has been certified by the state board. N:z person shall sell, offer for sale, advertise, or represent any motcz vehicle pollution control device as a certified device whict, in ij:tt, is not a certified device. Any vislatior of this subdivision is & tc:sdsmeanor." Any apparent violation of tbe conditions of this Exer.tive Order may result in its rescission or su ssion to the Attorney Gener:l of California for such action as he deemsa_vxaable. Tne Buresau of Automotive Repair will be notified by czpy of this crder. Executed at El Monte, California, this / da f Zecember, 1992. —R. Summerfizid Assistant Divieion Chief Mobile Ssurce Tivision

Appendix A

BU’CK, CHEVROLE,;PONT’AC o o a o a 0 o o o a a o o o a o o a o o o o o YEAAR . MODEL ENGINE TRANSMISSION CYL THERMO MASTER 1982 Corvette © 350 CF Auto 8 152802 1984 Camaro, Firebird 305 LG4 Auto 8 124072 \ > Camaro, Firebird 305LG4 Manual 8 1942 Camaro 305 HO Auto 8 11072 Camaro 305 HO Manual & 11362 Corvatte 350 CF Auto 8 <an n 1594302 Corvette 350 CF Manual 8 154372 1985 Camaro, Firebird 305 LG4 Auto 8 11912 Camaro, Firebird 305 LG4 Manual — 8 11482 Camaro, Firebird 305 TPI Auto 8 155332 — Corvelte _ 350 TPI Auto 8 155302 Corvelte. 350 TPI Manual 8 155372 1986 Camaro, Firebird 305LG4 Auto 8 226112 Camaro, Firebird 305 LGA Manual 8 11852 Camaro, Flrebird 305 TPI Auto B 156332 Corvelte 350 TPI Auto AL. Heads 8 156342 Corvelle 350 TPI AutoC.]. Heads 8 , > 156302 Corvelte 350 TPI Man, AL. Heads 8 156382 Corvelte 350 TPI Man. C.1. Heads 8 156372 Flero 2.8 MFI Auto _ 6 256412 Flero > 2.8 MF] Manual 5—Sp 6 256432 Grand National 3.8 Turbo Auto 6 456012 1987 Camaro, Firebird 305 LG4 Auto 8 227042 Camearo, Firebird 305 L.G4 Manual 8 227082 Camaro, Firebird 305 TPI Auto 8 157302 Camaro, Firebird 350 TPI Auto 8 157312 Corvelte 350 TPI Auto 8 15732 Corvalte 350 TPI Manual (4+3) 8 157362 + Fero 2.8 MFI Auto 6 257412 Fero ~ 2.8 MFI Manual 5—Sp 6 257432 Grand National 3.8 Turbo Auto 6 456012 Monte Carlo 305 HO Auto 8 127302 1

YEAR MODEL ENGINE TRANSMISSION CYL THERMO MASTEA 1988 Beretta ,Consicer 2.8 MFI Auto 0 120562 Camaro, Firebird 308 EFI Auto w/CO & 188322 Camare, Firebkd 305 EFI Manual . 8 158362 Camaro, Firebird 305 EF1 Manual 5—Sp 8 158952 Camaro, Firebird _ 350 TPI Auto w/DD B 158302 Camaro, Firebird 305 TP! Auto w/OD 8 ase3te Cavalior 2724 2.8 MA Auto 6 158412 Cavaller 224 28 MA Manual 5—Sp 6 128572 ® Corvetie 350 TPI Auto w/OD 8 158332 Corvette 350 TP! Manual (4+3) 8 158372 Flero 2.8 MFI Manual 5—5p 6 250432 Monte Carle SS 305 HO Auto 8 127302 \ 1989 Beratta/Corsica 2.8 MA Auto 6 159402 ' Beretta/Corsieey 2.8 MFI Manual 5—Sp 6 159432 Camaro, Firebird 305 TPI Auto 8 159312 Camaro, Firebird 305 TPI Auto 8 159332 Camaro, Firebird 305 TPI Manual 8 159352 Camaro, Firebird 305 EFVTBI Auto 8 159322 Camero, Firebird 305 EFVEBI Manual 8 159362 Cavalier 224 2.8 MA Auto 6 159412 Cavaller 224 . 2.0 MA Manual 5—5p 6 159422 Corvelte 350 TPI Auto 8 159302 Corvette 350 TPI Manual 8: 159372 1990 Beretta, Corsica 3.1 MF Auto 6 150402 Camaro, Firebird 3.1 MFI Auto 6 120512 Camaro, Firebird 305 TPI Auto 8 150332 Camaro, Firebird 305 TPI Manual 8B 150352 Camaro, Firebird 350 TPI Auto 8 150312 Camaro,F;rebj 305 TBl Auto w/OD 8 150322 Camamfl:ireb‘. 305 TBI Manual 5—Sp 8 150362 Cavaller, Z—24 3.1 MFI Auto 6 150412 Cavaller, 7—24 3.1 MA Manual 5Sp 6 150422 Corvetie 350 TPI Auto 8 150302 Corveltie 350 TPI Manual 8 150372 1991 Beretta, Corsica 3.1 MA Auto 6 121562 . Beretia, Corsica 3.1 MF Manual 6 151432 Camaro, Flrebird 3.1 MFi Auto 6 120512 Camaro, Firebikd 305 EFVTBI Auto 8 151322 Camaro, Firebird 305 EFVTBI Manual 5—Sp B 151362

YEAR MODEL ENGINE TRANSMISSION CYL THERMO MASTER 1991 Camaro, Firebird 305 TPI Auto 8 151332 . Camaro, Firebird 305TPI _ Manual 8 151372 _ Camaro, Firebird 350 TPI Auto 8 is1312 Cavalier, 7—24 3.1 MFI Auto 06 151412 Cavalior, 2—24 3.1 MA Manual 6 15142 Corvetie 350 TPI Auto 8 151302 Corveite 350 TPI Manual 8 151392 1992 Beretta, Corsica 3.1 MA Auto 6 152402 © Beraita, Corsica 3.1 MFI Manual 6 152432 Camaro, Firebird 3.1 MFI Auto 6 152342 Camaro, Firebird 305 EFVTBI Auto 8 152322 Camaro, Firebird 305 EFVTBI Manual 5S5p 8 152362 Camaro, Firebird 350 TPI Auto 8 152392 Cavalier, —24 3.1 MFI Manual 6 15242 TRUCKS'CHEVY,GMCooooooooo.ooooo ~ _ r0 0 00 e e ‘ YEAR MODEL ENGINE TRANSMISSION CYL THERMO MASTEA 1984 $108—15 2820BL Ato 6 1322 §105—15 2.0 2BBL Manual 6 1232 1985 C10 — 20 305 4BBL Auto 8 | 162 C10—20 350 4BBL Auto 8 11842 Cherokee 2.8 20BL Auto 6 j 500002 S 107 S1§5 26 2BBL Auto 6 11902 S 107 815 2.8 20BL Manual 6 11892 1986 C10 — 20 305 4BBL Auto 8 162 C10 — 20 350 4BBL Auto 8 11842 . . i"= Cherokee 28 ?BBL Atow/OD 6 500002 1987 Astro/Safarl 4.3 TBVEF! Auto 6 157022 C1525 305 TBVEF! Autow/0D 8 157102 C15—25 350 TBVEFI Auto w/OD 8 157112 CK1525 350 TOVEFl Manual4§p 8 157142 K15—25 350 TBVEFI Auto wOD 8 157202

YEAR MODEL ENGINE TRANSMISSION CYL THERMO MASTER 1887 Kisas 350 TBVEFI Auto w10D 8 157212 l ul §$40§—15 . . .28.TBVEFI . Manual. . s 157062 $105—15 28 TBl Auto 6 1s7012 RV 35 350 TBI Auto T—400 a 157252 1988 Astro/Safer 43 TBVEF Auto 6 158022 | cis 350 TB Auto wiOD 8 128102 a C525 305 TBVEFI Auto w/iOD 8 158102 _ C15—25 350 TBVEF! Auto w/OD B 128522 . C2s—35 350 TBI Manual 4SP _8 1se182/" CK15—25 4.3 TBVEFI Manual 5—S5p 6 158032 cKkas 350TBI Auto T400 8 158242 CK3s 350 TBi Manual4—Sp 8 js8162 K15as 305 TBVEFI Auto w/OD 8 158202 K1g25 350 TBVEFI Auto w/0D 8 128202 v Kig2s _ 350 TBI Manual 4SP _8 158232 $108—415 2.8 TBVEFI Manual 8 158062 —~ 1989 Astro/Safed 4.3 TBVEFI Auto 6 159022 Cis2s 305 TBVEFI Auto w/OD 8 159102 Cis25s 350 TBVEFI Auto w/0D 8 129102 # CK15 43TBI. ManualSSP 8 120532 a K15—25 305 TBVEFI Auto w/0D 8 159202 Kig25s 350 TBVEFI Auto w/OD B 12102 " $108—15 2.8 TBi Auto 6 158012 $108—15 2.8 TBVEF] Manual 6 159062 $108—15 4.3 TBVEFI Auto 6 158002 1990 . Astro/Safad 4.3 TBI standard Auto 6 150022 C1525 305 TBVEFI Auto w/0D 8 150102 Cises 350 TBVEFI auto wOD 8 120542 —— cKkis 4.3 TBI Manual 5SP 6 1252« Kig—25 305 TBVEFI Auto w/0D 8 150202 — K1525 350 TBVEFi Auto w/OD 8 120542 ¢ $£105—15 . 43 TBVEFl AutowOD 6 150002 s—108015 43 TBUEFl ManualSSp 6 150072 1991,. AstrorSafad 43 TBi Auto 6 121582 a CiS25 305 TB\ Auto w/0D 8 151102 C15—25 (8 hig wheels}) 350 TBI Auto w/OD 8 121542 . cis 350 TBl Manual 5Sp 8 151142

Licna YEAR MODEL ENGINE TRANSMISSION CYL THERMO MASTEAR CK15—25 4.3 TBI Auto w/OD 6 151042 CK1525 .. . 4.3 TBi . Manual 6 151052 K1§—25 306 TBI Auto w/OD 8 151202 K15 1/2 Ton 350 TBI Auto w/OD 8 121542 6 K15 350 TBI Manual 5Sp 8 . 151242 S10S15 Sonoma 28 TBI Manual 6 151062 S10(/S15 Sonoma 4.3 TBi Auto 6 121502 ! 1992 Astro/Safar 4.3 TB Auto 6 152012 C1525 305 TBi Auto w/OO 8 1252 * C15—25 (6 lug wheels) 350 TBI Auto wOD 8 122562 +. Ci5s 350 TBI Manual 5—Sp 8 . 122552 * CK1525 4.3 TB Auto w/OD 6 152022 CK15—25 4.3 TBI Manual 6 152032 K15—25 ' 305 TBI Auto wOD 8 12252 1 K15 1/2 Ton 350 TBI Auto w/OD 86 122562 o K1§ 350 TBI Manual 5—Sp 8 122552 « K15—25 350 TBI Auto w/OD 8 122572 0 S10/515Sonoma 4.3 TBI Auto 6 122502


Document Created: 2005-09-01 12:44:56
Document Modified: 2005-09-01 12:44:56

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