Update 46 - Changing the fuel system from low pressure to high pressure

We two things to sort out here. Handily when we ran the fuel lines originally, we made the decision to run both feed and return pipes with an eye to the future - well 7 years on the future is here. (I could not believe that either when I looked into it).

Job 1) at the back of the car, we can leave the lift pumps feeding the swirl pot as they are but the fuel delivery pump which sends fuel to the front of the car needs to be changed for a high pressure unit. Additionally we need a filter suitable for a high pressure system.

Job 2) at the font of the car we need to plumb in the fuel pressure regulator. Northampton Motorsport recommended the weber alpha unit due to its simplicity to adjust and overall durability. (they also do it in blue wink ) The feed and return pipes need to be made up and fitted as well.

So to the back of the car.

This is the old set-up, you can see the low pressure feed pump along with the blanked off return pipe waiting to be used.



We have a couple of Bosh high pressure fuel pumps so lets get the old Facet unit out and see what mounting options we have.The position below looks favourable. We'll keep the Facet unit as a spare for the lift pumps if they fail and also for Woodstock.





We also need to fit a high pressure fuel filter, we have a variety of units in stock - having looked at the VAG, Ford and Vauxhall units it looks like the most favourable is a Ford unit.

Down side - we need a bracket - so out with some aluminium bar to make one.



Dummied into place we get this, though we need to get the pipes made up to connect the swirl-pot and they are not open on a Sunday..





During the week we sorted out the pipes we needed and completed the install.



Now onto the front of the car, the feed line needs to be made up and the return needs to be connected to the weber alpha fuel pressure regulator.

The fuel pressure regulator is mounted to the bulkhead in the same place as the old low pressure fuel pressure regulator/filter combo unit.

I only have pictures of the completed job but you can see how it looks.. the other braided hose you can see is the cam breather pipe going to the Mocal oil catch tank.







This brings you right up to date with where the car is now... a couple of wiring jobs and we should be ready to take the car up to have it's ECU mapped and the engine run for the first time.

Woodstock still sits under covers without its wings on - we plan to get onto that as soon as the Blue and White car leaves the garage.

Handily the interior of Woodstock has less work to do as it has already been trimmed in Aluminium. The most complex job to do on Woodstock is wiring up the ECU and integrating the dash. The engine should run without any setting up, though it will go for a refresh run.