Triumph 2000/2500/2.5Pi Fuel Injection System - Fuel Pump, PRV and Filter

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Part No.: GRID008662

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Includes hose with union and clip, blanking plug
and washer, banjo and washer, plus instructions.
Bosch Fuel Pump - TR5
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Replacement switch and fitting kit.

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Now supplied with M6 metric thread - use nut GHF212
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This PRV is recommended for use with 214347BOSCH , our cylindrical "Bosch" type pump kit.

It operates at 105psi with a Bosch pump fitted flowing at approx. 2.5 Litres per minute. It is not suitable for use with a Lucas pump which flows approx. 1.5 Litres per minute.

We will buy your old Lucas PRV from you to help keep other TR's on the road.
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This on car adjustable Pressure Relief Valve (PRV) kit replaces the original PRV found in TR5's and TR6's. Being of a modern diaphragm design it will cure many problems inherent in the Lucas Mechanical Fuel Injection system.

The original PRV operates using the spring loaded plunger on a seat principle which is susceptible to resonance; a big problem with the original type valve when used in conjunction with a Bosch fuel pump. The added benefit of this is that braided hose, 153736SS, from the pump to PRV can be used without risk of exasperating the resonance. With the original type PRV installed a hard lined or externally braided hose will cause considerable resonance (high noise levels) so a soft rubber hose must be used.

On the original PRV the adjuster is internal and is only accessible once the fuel return pipe has been removed. This means that a real time pressure reading cannot be taken whilst making an adjustment as the fuel line needs to be refitted first. This new PRV has an external adjuster which means fuel pressure can be adjusted with the pump running and monitored at the same time.

This on car adjustable, uprated PRV is compatible with Ethanol and therefore, is safe to use with modern fuels.

The kit is supplied with full instructions and all the fittings necessary to complete the installation however the pressure will need to be set and a pressure gauge will be required (see RR1558)

This PRV kit will not fit with a Lucas fuel pump unless the pipework is reconfigured so that the PRV is moved out of the way of the CAV filter and its pipework. TR5 owners with the PRV on the chassis are strongly advised to re-engineer the pipework to conform to the TR6 arrangement where the PRV is positioned to the left hand side of the petrol tank (information is provided in the fitting instructions).
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Customer Comments
"I've used Rimmer Bros for years, since my first TR7s and now with my L322, Always found your stock very useful. Thanks for being there." Customer Comment
Product Description

Triumph 2000/2500/2.5Pi Fuel Injection System - Fuel Pump, PRV and Filter
Unleaded Fuel.
Unless you are using an additive, then to convert your 2.5Pi to run on unleaded fuel you will need to fit a replacement metering unit, Bosch pump and reconditioned head with special valve seats & guides. The units listed are suitable for both leaded and unleaded fuel.

Review: Klaus Schenk Submitted: 24/10/2020

Overall5 out of 5 stars.

verified

Subject

"Part Worked Perfectly"
Overall

Did this item work well with your project? What vehicle type are you using this for?

It was easy to install. The PRV is easier to use the Original. The accessories to install it were also complete. I can only recommend it to every PI Driver. TR6PI Driver from Germany