Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on July 6, 1992.
As of Wednesday, January 15th, 2025 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
C-505/List No. 86771973-1976 Mercedes-Benz 280, 280c & 280sThrottle positioner removed, electric assist water operated choke is replaced with an electric choke, vacuum operated float chamber valve vent is replaced with a mechanical float chamber vent valve, baseplate eliminates EGR.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-157-4
  • Executive Order 157-4 / D157-4
  • ARB # D-157-4
  • Executive Order No: D-157-4
  • C.A.R.B. No. D-157-4
  • Resolution D-157-4
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-157-4 PDF

D-157-4 Document:

CARB_D-157-4

(Page 1 of 2) State of California AIR RESOURCES BOARD EXECUTIVE ORDER D—157—4 Relating to Exemptions Under Section 27156 of the Vehicle Code JAM ENGINEERING CORPORATION JAM CARBURETOR CONVERSION KIT NO. C—505 USING OHE (1) MODIFIED HOLLEY MODEL NO. 4360C, LIST NO. 8677 CARBURETOR Pursuant to the authority vested in the Air Resources Board by Section 27156 of the Vehicle Code; and Pursuant to the authority vested in the undersigned by Section 39515 and 39516 of the Health and Safety Code and Executive Order G—45—5; IT IS ORDERED AND RESOLVED: That the installation of the JAM carburetor conversion kit number C—505 manufactured by JAM Engineering Corporation has been found not to reduce the effectiveness of required motor vehicle pollution control devices, and, therefore is exempt from the prohibitions of Section 27156 of the Vehicle Code for 1973—1976 Mercedes—Benz 280, 280c and 280s vehicles originally equipped with a Solex 4A1 carburetor. ‘The following modifications to the oriqinal equipment exhaust emission control system are permitted: L2 | : 1) The throttle positioner {dashpot) may be removed. Trmu———————2) The electric assist water operated choke system is substituted with T——_~————o—m > anelectric choke. os s 3) The vacuum operated float chamber vent valve is substituted with a nemmnna~ — mechanical float chamber vent vailve. 4) Vacuum hose routing may be changed, as specified in the device installation instructions. 5) The 1975—1976 Mercedes—Benz (MBZ) carburetor base plate gasket will be utilized on the applicable vehicles. This modification eliminates the E.G.R. function as the slots in the MBZ gasket for controlling the exhaust gas return are eliminated. This exemption shall not apply to ény device, apparatus, or mechanism advertised, offered for sale or sold with, or installed on, a motor vehicle prior to or concurrent with transfer to an ultimate purchaser. This Executive Order is valid provided that installation instructions for this device system will not recommend tuning the vehicle to specifications different from those submitted by the system manufacturer. 4 Changes made to the design or operating conditions of the device, as exempt by the Air Resources Board, that adversely affect the performance of a vehicle‘s pollution control system shall invalidate this Executive Order.

JAM ENGINEERING CORPORATION EXECUIIVE ORDER D—157—4 (Page 2 of 2) Marketing of this device using an identification other than that shown in this Executive Order or marketing of this device for as application other than those listed in this Executive Order shall be prokibited unless prior approval is obtained from the Air Resources Board. Exemption of a kit shall not be construed as an exemption to sell, offer for sale, or advertise any component of the product as an individual device. This Executive Order does not constitute any opinion as to the effect that the use of this turbocharger system may have on any warranty either expressed or implied by the vehicle manufacturer. THIS EXECUTIVE ORDER DOES NOT CONSTITUTE A CERTIFICATIOH, ACCREDITATION, APPROVAL, OR ANY OTHER TYPE OF ENDORSEMENT BY THE AIR EESOURCES BOARD OF ANY CLAIMS OF THE APPLICANT CONCERNING ANTI—POLLUTION BENEFITS OR ANY ALLECED BENEFITS OF THE JAM ENGINEERING CORPORATION‘S CARBURETOR CONVERSION KIT NUMEER C—505 FOR INSTALLATION ON 1973—1976 MODEL—YEAR KERCEDES BENZ 280, 280C AND 2805 MODEL VEHICLES. 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 communications. Violation of any of the above conditions shall be grousds for revocation of this order. The order may be revoked only after ten day 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 shall be held within ten days of receipt of the a— request and the order may not be revoked until a detersination after hearing that grounds for revocation exist. Executive Order D—157—2, dated May 9, 1986 is superseded and of no further pimaniith \ force and effect. /1\ L Executed at El Monte, California, this é ‘fjday of July, 1992. ; .o //.//’3"=~—/ ~'4\ R.B. Summerf#éld Assistant Divisi Chief Mobile Source Division memmeenpnpneeminc on o nnrnnrnmnmemersonnaomn i sno prnncnepmainpnenmemmmrmar n n im avvcnmenn onvermmnaats M m nmnmmnmmnre mmmns on mamnnen mt ennommemm mmmimemieewrernmnenmm


Document Created: 2005-09-01 12:43:49
Document Modified: 2005-09-01 12:43:49

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