The list of unrated devices that have not received EPA test results and the ones that you must stay off are listed below. You can refer to the EPA website for details of each product. The devices are categorized in the type of its functioning and listed alphabetically.
Air-bleed devices:
o ADAKS Vacuum Breaker Air Bleed, Sept. 1971
o Air-Jet Air Bleed, Aug. 1972
o Aquablast Wyman Valve Air Bleed, July 1973
o Auto-Miser, Feb. 1980
o Ball-Matic Air Bleed, June 1976
o Berg Air Bleed, Jan. 1972
o Brisko PCV, Feb. 1971
o Cyclone-Z, Jan. 1983
o Econo Needle Air Bleed, April 1972
o Econo-Jet Air Bleed Idle Screws, 1972
o Gas Saving Device, Jan. 1983
o Grancor Air Computer,
o Hot Tip, Sept. 1982
o Landrum Mini-Carb, June 1976
o Landrum Retrofit Air Bleed, June 1976
o Mini Turbocharger Air Bleed
o Monocar HC Control Air Bleed, June 1972
o Peterman Air Bleed
o Pollution Master Air Bleed, Aug. 1971
o Ram-Jet, Jan. 1980
o Turbo-Dyne G.R. Valve, April 1978
Stay away from these driving habit modifiers too:
o Fuel Conservation Device, Feb. 1980
o Gastell, Feb. 1981
There are a number of fuel additives too that have flooded the market and are no good:
o Bycosin,1971
o EI-5 Fuel Additive, Sept. 1976
o Fuelon Power, Sept. 1993
o Johnson Fuel Additive
o NRG #1 Fuel Additive, Feb. 1978
o QEI 400 Fuel Additive
o Rolfite Upgrade Fuel Additive, March 1975
o Sta-Power Fuel Additive, Feb. 1972
o Stargas Fuel Additive, Feb. 1972
o SYNeRGy-1, June 1981
o Technol G Fuel Additive, Aug 1972
o ULX-15/ULX-15D, May 1981
o Vareb 10 Fuel Additive, April 1974
o XRG #1 Fuel Additive, Feb. 1980
Let’s now look at the fuel line devices to stay away from:
o FuelXpander, 1980
o Gas Meiser I, May 1981
o Greer Fuel Preheater, May 1981
o Jacona Fuel System, Aug 1982
o Malpassi Filter King, June 1983
o Moleculetor, May 1981
o Optimizer, May 1983
o PETRO-MIZER, Dec. 1982
o POLARION-X, April 1985
o Russell Fuelmiser, Sept. 1982
o Super-Mag Fuel Extender, Jan. 1982
o Wickliff Polarizer, June 1981
The ignition devices that you should stay away from are:
o Autosaver, May 1981
o Baur Condenser, Aug. 1981
o BIAP Electronic Ignition Unit, Sept. 1970
o Fuel Economizer, Sept. 1982
o Magna Flash Ignition Control System, Feb. 1972
o Paser Magnum/Paser 500/Paser 500 HEI, May
o Special Formula Ignition Advance Springs
Internal Engine Modifications that you should say no to is:
o Dresser Economizer, Dec. 1981
The Liquid injection device of Goodman Engine System-Model 1800, April 1980 should also be avoided.
Stay away from the following Mixture Enhancers:
o Energy Gas Saver, Jan 1982
o Environmental Fuel Saver, Feb 1980
o Gas Saving and Emission Control Improvement Device, Jan 1983
o Glynn-50, Aug. 1981
o Hydro-Catalyst Pre-Combustion Catalyst System, July 1973
o PETROMIZER SYSTEM, May 1981
o Sav-A-Mile, Oct. 1981
o Spritzer
o Turbo-Carb, Aug 1982
o Turbocarb , Aug. 1982
o Basko Enginecoat, March 1980
o Dresser Economizer, Aug. 1982
o Electro-Dyne Superchoke, Jan. 1976
o Filtron Urethane Foam Filter
o Lamkin Fuel Metering Device, July 1974
o Smith Power and Deceleration Governor, April 1974
Let’s now look at some Vapor bleed devices that one must avoid:
o Atomized Vapor Injector, Feb. 1983
o Econo-Mist Vacuum Vapor Injection System, Mar. 1975
o Frantz Vapor Injection System, Sept. 1971
o Hydro-Vac, Aug. 1983
o Mark II Vapor Injection System
o Platinum Gasaver, July 1991
o POWERFUeL, Aug 1983
o Turbo Vapor Injection System
o SCATPAC Vacuum Vapor Induction System, July 1973
o V-70 Vapor Injector, May 1981
Finally some miscellaneous products/devices:
o BRAKE-EZ
o Dynamix, Aug. 1982
o Fuel Maximiser, Nov. 1981
o Gyroscopic Wheel Cover, June 1983
o Inset Aftermarket Retrofit Device, Aug 1999
o Kat’s Engine Heater, Oct. 1982
o Lee Exhaust and Fuel Gasification EGR
o Mesco Moisture Extraction System, July 1983
o S.C.U. 01 Device, Aug 1983
o Treis Emulsifier, July 1981
o Vitalizer III, Aug 1999
Keep checking the EPA website for more products that you should avoid as well as for products worth checking into.