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Triumph TR7 Rover V8 Engine Conversion
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With the assistance of Custom EFI's we have fitted GM tuned port injection to our Rover V8 conversion.
This is a speed density or MAP based system which was used by GM for a brief period in the early nineties on certain Corvette and Z28 Camaros.

Step One: Replacing the fuel tank
RKC3523/E fuel tank (two hole)
When converting from a carburetted TR7 it will be necessary to replace the fuel tank with a two hole version if using a fuel injected Rover V8 engine.
Since genuine two hole tanks are now quite scarce, we supply a professionally modified single hole version. Your old tank is required in exchange and condition is generally not important since the firm that does this modification is also renowned for their fuel tank repair skills.
The tank is modified to accept a second TKC3408 sending unit in the right hand hole (as viewed above). The level sensor parts can be removed from the old sending unit and it is then used as a fuel return inlet. The fuel return line is installed using the clips in the existing holes in the handbrake support bracket at the top of the driveshaft tunnel.
PKC381fuel return line
150930 (3)clip, fuel return pipe
TKC3408fuel sending unit
Step Two: Mounting the electric fuel pump
..
The fuel pump arrangement is similar to the factory fuel injected TR7, TR8 models
It is mounted on the right rear bulkhead to the top right of the tranmission tunnel opening. The LH mounting bracket and pump/filter carrier brackets are not currently available, so it is necessary to fabricate something approximate as shown in the photos. The pump is a generic replacement by Airtex for multi point fuel injection systems and is widely available at local auto parts stores.
Step Three: Modifying the Throttle Position Sensor (TPS)
ETC8495/K throttle postion sensor kit
The Range Rover TPS is not compatible with the GM TPI system.
Therefore, it is necessary to use a GM throttle position sensor (TPS). Since the Range Rover engine uses a shaft driven sensor, we decided to use the later rotary style GM TPS unlike the 'crank arm' style that the GM TPI cars used. This required an adapter plate and drive shaft as shown in the photos above.
Step Four: Installing an air cleaner
air cleaner
There is not much room left for an air cleaner, thus we decided to use a high flow aftermarket unit.

Starting at the plenum, the air hose is a stock Rover part. In place of a mass air flow sensor which would normally be between the hose and air cleaner, we placed an adaptor sleeve that houses the manifold air temperature sensor (MAT). The MAT sensor would normally be in the nine o'clock position - it is show at twelve in the photo for clarity. The MAT adaptor has two nuts welded to it to allow the assembly to be supported. We used steel tubes flattened at each end and bent to the appropriate angle, similar to the ones used to support the steering column.
MAT adaptor
ESR1611air intake hose
CN100908clamp, air intake hose


VIEW CART
CHECK OUT
EMPTY CART
Engine
Gearbox
Cooling System
Brakes
Power Steering
Fuel System
Exhaust
Electrical
Air Conditioning
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Use of factory part numbers are for reference only. Not all parts are actual Triumph/Leyland/ARG/Rover products.

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All parts sold 'as is'. The only warranties applying to this part(s) are those which may be offered by the manufacturer. The Seller, Wedgeparts hereby expressly disclaims all warranties, either express or implied, including warranties of merchantability or fitness for a particular purpose, and neither assumes nor authorizes any other person to assume for it any liability in connection with the sale of this part(s) and/or service. Buyer shall not be entitled to recover from the Seller, Wedgeparts any consequential damages, damages to property, damages for loss of use, loss of time, loss of profits, or income or any other incidental damages.