Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on February 2, 1993.
As of Thursday, December 13th, 2018 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
TS10001986-1993 Ford mustang 5.0 L with gasoline engines

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-271-1
  • Executive Order 271-1 / D271-1
  • ARB # D-271-1
  • Executive Order No: D-271-1
  • C.A.R.B. No. D-271-1
  • Resolution D-271-1
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-271-1 PDF

D-271-1 Document:



                                                                (Page 1 of



                                  State of California
                                 AIR RESOURCES BOARD

                               EXECUTIVE ORDER D~271—1
                    Relating to Exemptions Under Section‘27156
                               of the Vehicle Code

                            KENNE BELL PERFORMANCE PROPUCTS
                           TS1000 TWIN SCREW SUPERC   GER KIT



Pursuant to the authority vested in the Aiy‘      Resources 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    d Executive Order G—45—5;

IT IS ORDERED AND RESOLVED:  That Khe installation of the add—on
supercharger kit, with a 2.18" op‘ 2" pulley, Part No. TS1000, manufactured
by Kenne Bell Performance Produgts of 10743 Bell Court, Rancho Cucamonga,
California 91730, has been fouAd not to reduce the effectiveness of required
motor vehicle pollution contybl devices, and therefors is exempt from the
prohibitions of Section 271%6 of the Vehicle Code for installation on 1986—
1993 model—year Ford MustaAgs and 1986 Mercury Capris with 5.0 liter
gasoline engines.    ~

Changes made to the degign or operating conditions of the device, as
exempted by the Air Résources Board, that adversely affect the performance
of a vehicle‘s pollufion control system shall invalidate this Executive
Order.

Marketing of thisy device using an identification other than that shown in
this Executive    Order or marketing of this device for an application other
than those lisfed in this Executive Order shall be prohibited unless prior
approval is o¥tained from the Air Resources Board.     Exemption of a kit shall
not be constfued as an exemption to sell, offer for sale, or advertise any
component of the product as an individual device.

This Execative Order does not constitute        y cpinion as to the effect that
the use  of this device may have on any w       anty either expressed or implied
by the Achicle manufacturer.

THIS    CUTIVE ORDER DOES NOT CONST             CERTIFICATION, ACCREDITATION,
APPROVAL, OR ANY OTHER TYPE OF END        EMENT BY THE AIR RESOURCES BOARD OF ANY
    MS OF THE APPLICANT CONCERNT           TI—POLLUTION BENEFITS OR ANY ALLECED
    FITS OF THE KENNE BELL TSl              SCREW SUPERCHARCER KIT.




                           ¥/f7—


KENNE BELL PERFORMANCE PRODUCTS                EXECUTIVE ORDER D—271—1
TS1000 SUPERCHARGER KIT                                  (Page 2 of 2)




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 grounds 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
request and the order may not be revoked until a determination after hearing
that grounds for revocation exist.


Executed at El Monte, California, thiscg    day of February, 1993.




                                     R.B/ fummerfield
                                     Assistant Division Chief
                                     Mobile Source Division


                        State of California
                        AIR RESOURCES BOARD




  EVALUATION OF KENNE BELL PERFORMANCE PRODUCTS‘ TS1000 TWIN SCREW
  SUPERCHARGER KIT FOR EXEMPTION FROM THE PROHIBITIONS OF VEHICLE
CODE SECTION 27156 IN ACCORDANCE WITH SECTION 2222, TITLE 13, OF THE
                   CALIFORNIA CODE OF REGULATIONS




                          February 1993


                              State of California
                              AIR RESOURCES BOARD




     EVALUATION OF KENNE BELL PERFORMANCE       PRODUCTS‘ TS1000 TWIN SCREW
      SUPERCHARGER KIT FOR EXEMPTION FROM       THE PROHIBITIONS OF VEHICLE
    CODE SECTION 27156 IN ACCORDANCE WITH       SECTION 2222, TITLE 13, OF THE
                       CALIFORNIA CODE OF       REGULATIONS




                                         by
                             Mobile Source Division
                              State of California
                              Air Resources Board
                              9528 Telstar Avenue
                            El Monte,   CA    91731—2990




(This report has been reviewed by the staff of the California Air Resources
Board and approved for publication.  Approval does not signify that the
contents necessarily reflect the views and policies of the Air Resources
Board,   nor does mention of trade names or commercial products constitute
endorsement or recommendation for use.)


                                    SUMMARY




       Kenne Bell Performance Products,   of 10743 Bell Court,   Rancho Cucamonga,

CA 91730 has applied for an exemption from the prohibitions in Section 27156 of

the California Vehicle Code (VC) for the Kenne Bell TS1000 Twin Screw

Supercharger Kit.    The supercharger kit is designed for installation on 1986—

1993 model—year Ford Mustangs and 1986 model year Mercury Capris equipped with

5.0 liter engines.

       Based on the results from emission tests performed by Milton Roy

Company of Orange, California, and confirmatory tests at the Haagen—Smit

Laboratory on a 1990 Ford Mustang GT, the staff concludes that Kenne Bell

TS1000 Twin Screw Supercharger Kit will not adversely affect exhaust emission

from vehicles for which an exemption is requested.

       The staff recommends that Kenne Bell Performance Products be granted an

exemption as requested and that Executive Order D—271—1 be issued.


                                   TABLE OF CONTENTS




                                                              Page Number




SUMMARY                                                             i

CONTENTS                                                           i1

I.        INTRODUCTION         \                                    1

II.       CONCLUSION                                                1

III.      RECOMMENDATIONS                                           1


IV.       DEVICE DESCRIPTION                                        2


v.        SUPERCHARGER KIT SYSTEM EVALUATION AND DISCUSSION         3




                                         ii


          EVALUATION OF KENNE BELL PERFORMANCE PRODUCTS‘ TS1000 TWIN SCREW
           SUPERCHARGER KIT FOR EXEMPTION FROM THE PROHIBITIONS OF VEHICLE
        CODE SECTION 27156 IN ACCORDANCE WITH SECTION 2222, TITLE 13, OF THE
                          CALIFORNIA CODE OF REGULATIONS




 1.      INTRODUCTION

         Kenne Bell Performance Products of 10743 Bell Court,   Rancho Cucamonga,

. California 91730 has applied for an exemption from the prohibitions in Section

 27156 of the California Vehicle Code for the Kenne Bell TS1000 Twin Screw

 Supercharger Kit.    The supercharger kit is designed for installation on 1986—

 1993 model—year Ford Mustangs and 1986 Mercury Capris equipped with 5.0 liter

 engines.

         Kenne Bell Performance Products has submitted data from testing on a

 1990 Ford Mustang GT at Milton Roy qampany, Orange,   California.   In additiofl,

 the Air Resources Board (ARB) conducted a confirmatory test at the Haagen—Smit

 Laboratory.




 II.     ConcLuston
         Based on the results from emission test performed at Milton Roy Company

 and the confirmatory test by the ARB on a 1990 Ford Mustang GT, the staff

 concludes that Kenne Bell TS1000 Twin Screw Supercharger Kit will not adversely

 affect exhaust emissions from vehicles for which an exemption is requested.




 III.    RECOMMENDATIONS

         The staff recommends that Kenne Bell Performance Products be granted an

exemption for their TS1000 Twin Screw Supercharger Kit for installation on


1986—1993 model—year Ford Mustangs and 1986 model year Mercury Capris equipped

with 5.0 Liter engine.   The staff also recommends that Executive Order D—271—1

be issued.



IV.    DEVICE DESCRIPTION

       The Kenne Bell TS1000 Twin Screw Supercharger Kit is designed for

installation on 1986—1993 model—year Ford Mustangs and 1986 model year

Mercury Capris equipped with 5.0 Liter engines.   The supercharger kit is

comprised of an Autorotor 3—133 supercharger, a fuel system booster, and other

hardware and plumbing necessary to install the kit.   The supercharger kit

operates in conjunction with the original equipment manufacturer (OEM) computer

controlled fuel injection and the emission control system already certified

with the stock engine.

       The purpose of supercharging an engine is to increase its volumetric

efficiency and power output at particular engine loads and throttle openings.

At light engine loads and small throttle openings, the engine manifold pressure

and power output is the same as a normally aspirated engine.    At heavy engine

loads and increased throttle openings, the manifold pressure is increased by

the supercharger allowing more air and fuel to enter the engine, resulting in

higher power output.

       The Autorotor 3—133 supercharger is a positive displacement (1.33L/rev)

twin screw rotor air compressor powered by a crankshaft driven serpentine belt.

The compressor operates with the rotation of two rotors,   a "female" rotor and a


"male" rotor.     The "male rotor is driven, using internal gearing, at 1.5 times

the speed of the     "female" rotor.   The maximum volume of air is determined by

selecting the proper ratio between the supercharger pulley and the crankshaft

pulley.     The Kenne Bell TS1000 Supercharger is available with two sizes of

supercharger drive pulleys.     One kit is offered with a 2.18" diameter pulley

which drives the "female" rotor at a speed 2.67 times the speed of the

crankshaft pulley.     This allows for a maximum boost of 5 p.s.i.    The kit is

also available with a 2.0" pulley, which drives the "female" rotor at a speed

2.92 times the speed of the crankshaft.;    This kit provides an 8 p.s.i. maximum

boost.     For either kit, the OEM air cleaner assembly and air intake location

are used.     The OEM mass air flow meter is used,   and the fuel delivery and spark

timing are controlled by the OEM computer.

          To maintain the correct air/fuel ratio during boost conditions,

additional fuel is supplied by increasing the fuel pressure.       This is

accomplished by supplying an additional fuel system booster, which is enabled

only during boost conditions.     This is accomplished by biasing the fuel booster

with manifold pressure.     Installation of Kenne Bell TS1000 Twin Screw

Supercharger Kit does not alter the OEM location of the oxygen sensor or the

catalyst.     The tune—up specifications also remain the same.




v.        SUPERCHARCGER KIT SYSTEM EVALUATION AND DISCUSSION

          A 1990 Ford Mustang GT Convertible equipped with a 5.0 liter (302 CID)

fuel injected gasoline engine was used for the evaluation of the TS1000

supercharger kit.     The dynamometer inertia weight and loading were 3625—lbs and

9.8—hp respectively.


       Emission tests conducted by Milton Roy Company for Kenne Bell

Performance Products consisted of one Cold—Start CVS—75 emission test in the

baseline configuration and one Cold—Start CVS—75 emission test with the Kenne

Bell TS1000 8 p.s.i. supercharger kit installed.         Confirmatory tests were

performed by the ARB following the same test sequence.        A summary of the test

results is shown below:


                           Exhaust Emissions Test Results
                              On A 1990 Mustang GT 5.0
                                (Milton Roy Company)

Test                Exhaust Emissions (gm/mi)
Mode                NMHC                co                       NOx

Baseline            .379                     1.317                .751
Modified            .085                      .485                .676
Difference          —77.5%                   —63.2%              —10.0%


                                     Confirmatory Test
                              (Haagen—Smit Laboratory)

Test                Exhaust Emissions (gm/mi)
Mode                NMHC                    co                   Nox

Baseline            .487                     2.529               1.178
Modified            .182         *           1.682                .874
Difference          —62.6%                   —33.5%              —25.8%

       Results from the emission tests conducted at Milton Roy Company and the

Haagen—Smit Laboratory show the vehicle emissions with the Kenne Bell TS1000

Twin Screw Supercharger Kit installed are not increased when compared to the

baseline tests.   Based on these test results, the staff concludes that the

installation of the Kenne Bell TS1000 Twin Screw Supercharger Kit did not have

an adverse effect on exhaust emissions of the affected vehicles.          Kenne Bell

Performance Products has submitted all the required information and fulfilled

the requirements for exemption.



Document Created: 2005-09-01 12:45:01
Document Modified: 2005-09-01 12:45:01

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