mike_sekinger

Hi Alan, I`m pretty sure those injectors are not going to be big enough to run as your only source of fuelling. They are only marginally higher flow than the stock injectors at 267cc/min and are typically used as replacements for the stock injectors when keeping the secondaries in place (secondaries are 550cc/min) Of course it all depends on your power target but even at 400bhp, you would need something up around 8x 360cc/min. There is a rough injector size calculator on the RC Engineering website RC Fuel Injection > Technical

Sorting the throttle linkage and playing with the position of the cable bracket. Will need to make some changes to the cable length.

Small jobs.... low profile plug for the thermostat housing coolant bypass. PAS low pressure pipe installed to ensure clearnace from the new aux belt run.

Matching the porting of the cylinder heads to the injection housings. Both are being taken out to the extremes of the metal gaskets. 3 hrs in and only one bank done. Takes time and care...

Just be aware if they are re-manufactured.

Try SWLC

PNM offer a flywheel refurbishment service. Yes, the clutch mounting needs to be machined to retain the correct step. PNMFLY918 Lotus Esprit V8 Flywheel Re-surface & Grind Service (pnmparts.co.uk)

There is a linkage between the throttles and also a balance pipe across the plenums. The arrangement will be different with the tubular manifolds and BorgWarner EFR turbos. Andrä managed to get some GT2871s installed by changing the compressor housing orientation and adaption of the wastegate flap on one side. I`ve seen this done on other 918s before.

Motorsport plenums arrived. Excellent work from SMD Racing in Kent. Measurements for fuel rails and the throttle cable bracket to follow.

I used 8mm thick high density polyethylene, which can be supplied black. There is no electronic template as it needed to be crafted together with adaptions to the arches. I have the other half of the polyethylene sheet and plan to made a spare.

It was bitterly cold in the workshop today (-8 deg C), but I really wanted to get the new front splitter finished and installed. This is allow me to have the car run at a more desireable height on the road.

These images represent a massive amount of work and pioneering developments. Great things yet to break cover.

Considering some additional engine oil cooling up-front between the two existing coolers. Options for either 6 or 10 row slimline unit. Will be able to minimise the airflow impact on the chargecooler and main coolant rads.

Maybe Father Christmas will bring us a small update.... doesn`t seem like too much to ask for.

Those are connections for the remote damper reservoirs for the Penske 3-way dampers

Rear cross-member re-designed and fabricated using 40mm x3mm tube. This is to provide clearance for the gearbox and greater strength in the rear.

Got the machined eccentric tensioner and it`s looking good. Simplifies the aux. belt run and looses some weight. Very happy with that.

The inlet/injector manifolds are bolted to the cylinder heads with the aide of an alignment plate. The plenum(s) are then bolted to the injector manifold.

The bellmouths will be welded on the underside, although I don`t have an image of that

@ProAlloy-Alex please can you confirm that you have received the compressor ducts.

Another small job ready for plumbing. Burp tube from the chargecooler radiator back to the header tank. Will have an in-line reducer.

Just got an update on the plenum fabrication from SMD Racing - coming along nicely. Matching of the port openings and inlet manifolds still needs to be done. Test fit on arrival and once the clearances are measured, the fuel rails will be fab`d up. Depending on the additional clearance between the plenum and the motorsport rear deck, an additional space might be used to bring up the torque. This set-up will be fitted once the engine is run-in and ready for the Motec update for 8x larger injectors.

80mm eccetric tensioner arrived and with a little milling of the base will make a perfect companion for my shorter aux. belt run. I`ll add some drillings to allow easy use of the cam belt tensioner tool.

Back out in the cold today. Got the original lower valance back and installed. The front carbon arch section fettled and fitted. I will not be using the original front splitter, as it is forced to sit too high for road car usage. I`ll be coming up with a decent compromise that will allow me to run as the desired height for the road.

Although it`s an interesting idea, I`m going to stick with the Lotus/Saginaw pump. I know that Lotus did a lot of testing with different pumps/calibrations to get the right PAS feel. I don`t want to have that impacted.