$2,599.99
8 cyl, Dual carbs,
W/o distributor update for ignition mapping,
Includes Idle Air Control
RR, Bentley SU HD8, HS8
I am now offering kits for 4, 6 & 8 cylinder cars which have 2 medium bodied carbs in the configurations shown below. Please check the Carburetor Chart for the ZS, SU & Hitachi models supported.
NOTE: There are 2 distributor options as described here.
Kit Options
Decorative Adapter Covers – Zenith Stromberg Only ZS 175 CD2
TBI adapters pictured may differ depending upon the carb model.
Please Note: Delivery times run 4 to 6 weeks.
NOTE: | This product is designed for but not limited to the following Automobile(s). |
---|---|
Make | Bentley, Rolls Royce |
Year | 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974 |
Engine Displacement | 6230CC, 6750CC |
Cylinders | Eight (8) cylinder |
Carburetor Brand | SU |
Carburetor Model | HD8 |
Carburetor Size | Large bodied carb |
If one word could sum of the main reason to do this upgrade, it would be dependability. Because the system mostly utilizes GM components that have been proven over millions of miles of driving, it is very reliable and easily serviced.
The main advantage of this TBI conversion is a great running car, easy installation, and a reasonable price. You don’t have to build or alter an intake manifold or even touch your throttle linkage. You use the existing carbs, air cleaners, linkage, and actually converting the carb portion of the set-up into fuel injectors can be done in less than an hour. Figure the complete conversion will take a full weekend. The process can also be reversed quickly as no parts have been damaged or altered.
The TBI setup is a wonderful upgrade in that it starts exceptionally well, runs beautifully while warming up, an all around smooth running car. Guess what I’m saying is that the TBI car runs great and doesn’t need any further tuning unless you want to alter the engine with a cam etc. The TBI system is data log capable, is programmable for fuel and ignition, and the GM ECM for TBI even has the ability to learn and adapt to your driving habits. Considering the alternatives for price and installation of different fuel injection systems out there, the TBI set up is the reasonable choice.
The installation of this kit requires no knowledge of TBI or fuel injection and is a true “plug & play” system. Every component is plug ended and can only plug into its proper mate.
When ordering a TBI kit- Mention if you have an AAW harness (a special AFI harness is available at no extra cost specifically designed to mesh with the AAW harness). Tell me if you have a non stock cam or lifters especially if you have installed a stage 3 cam or roller rockers (what is your vacuum at idle?), ignition, etc
Another huge advantage of TBI is that the car starts and idles smoothly no matter what the temperature is……. Check out this 17 degree cold start by one of my customers.
Because this conversion is based on very popular GM components it can be serviced by your local garage. Components are available at your local auto parts stores from coast to coast. Not to say your mechanic might take some convincing, but the entire system is the same as the the GM cars and trucks that they service everyday. The car may look different but their test procedures, trouble codes, and equipment are all the same. There’s even a port that allows for the connection of an engine code reader.
The first thing people ask is “how much horsepower will I gain with this conversion?”. And I answer that with “you’ll probably get a bigger horsepower gain by installing my Fan Eliminator Kit!” The idea behind the TBI conversion is to give you a reliable, smooth running, easy starting, fuel efficient classic car. Horsepower gains will come from engine modifications.
The chip comes tuned for performance under 40 MPH and economy above 40 MPH. The first system was installed in Aaron Cropley’s 1971 TR6 in 2004 and it has performed perfectly since. We’ve done a couple of data logging sessions which resulted in a modification to the chip which was easily flashed to the control module. Depending on your desire, the chip can be tuned for performance, fuel economy or a combination of both. Aaron’s car has overdrive and he frequently gets in excess of 30 MPG on the highway. You can see more about Aaron’s car, the TBI installation and his various improvements on his web site. In 2006 we added another happy customer, Bob Danielson, who has a 1975 TR6 and has reported that his highway mileage has increased from a dismal 18 MPG to 28 MPG with a stock 4 speed transmission. Bob’s site is also well worth a visit to see his installation and other improvements.
The beauty of TBI is that the chip can be easily tuned to meet your specific engine modifications and your driving requirements.
Included with my kit, at no additional charge to you, is custom tuning for YOUR specific car by the folks at Affordable Fuel Injection (up to four custom chips). Custom chip tuning, such as this, does not come cheaply but we recognize the fact that we are, for the most part, doing fuel injection conversions to cars that are up to 50 years old. At this point in their life, many of these cars have been modified in any number of ways: increased compression ratio, upgraded camshafts, engines bored etc., so very few, if any, are exactly as they were when they left the factory. On top of that, there are driving styles that vary from wild to mild and that’s where custom tuning can optimize performance. Included in the kit price is custom tuning by AFI for your car factoring in engine modifications, driving styles, gasoline grades, and other factors recorded by the onboard computer. They can tune for the daily driver or for maximum performance or even optimize it for fuel economy, etc. The kit price also includes a data cable that allows you to monitor and record the onboard computer data with a laptop while you drive.
Emissions Test
Just for fun Bob Danielson took his ’75 TBI powered TR6 through the Connecticut Emissions Test to see what the results would be. You can check out the surprising results here>>> more info……..
NOTE: Owner supplied electronic ignition required.
Prices do not include shipping which is dependent at checkout on components ordered.
While I do offer various components that will allow you to build your own system, please note that tuning support is not included with individual purchases. You must purchase a complete kit all at once to receive tuning support.
Two (2) Carburetor TBI Adapters * See additional information tab
One (1) GM Ignition Module with Mount
One (1) Lucas Distributor Conversion
One (1) Complete Plug Ended TBI Harness
One (1) Pre-Programmed GM Electronic Control Module (ECM)
One (1) Idle Air Control
One (1) Fuel Pump
One (1) Adjustable Regulator with Gauge & Fittings
One (1) O2, Coolant & MAP Sensors
One (1) Throttle Position Sensor Kit
Two (2) Reconditioned Matched Injectors
One (1) All Necessary Relays & Fuses
One (1) USB Data Logging Cable & Disk
One (1) AFI Installation Manual & Online Documentation
One (1) Technical Support
One (1) Custom tuning assistance (for one year)
One (1) Idle Air Control (IAC)
Detailed documents, videos and downloads on installation can be found in Product Support under the Throttle Body Injection (TBI) section.
Also see: FAQs | Kit Contents | Kit Installation | Data Logging | Trouble Codes
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