THI MOTORSPORT
THI MOTORSPORT

2014 Plans and Build

Well, the time has come where I thought I'd start a new thread for the rebuild, as it'll essentially be a fresh start for the car. The plan is to start work on it now so that we don't have to rush and can take our time to think everything through properly. This will also help with the cash flow situation!! We'll work on it throughout the winter months and well into next year, ready to hopefully do lots of late Summer/Autumn testing so we can hit the ground running for the 2015 Time Attack Championship. I'm fully aware that it may not pan out like that, but this is most definately noy going to br a rushed job. So, if doing everything 100% properly means that it takes longer, then so be it!!

So, for this rebuild I'm probably going to be leaving the bodywork alone and do that side of things properly at a different time with lightweight clams etc. Essentially though, I'm going to re-do everything else I can and have a proper tidy up.

There'll be a whole load of new parts etc going into this build, however the main things that we'll be doing are:-

Electronics:-
Syvecs S6 or S8 ECU (with individual cylinder closed loop knock control and DBW control)

New front loom, to replace everything that got damaged in the fire and lots of extra sensors throughout the car in order to make full use of the new ECU.

Bespoke M&W Pro 14 sequential CDI ignition system. This is probably the best capacitive discharge system available and should easily eradicate the problems we were having on track once things got hot and on high boost with our standard inductive coil packs. We'll be working with a US company who are developing a package especially for the Honda K20.

Engine:-
Final spec still undecided, however almost identical to the previous engine, but with beefier pistons & gudgeon pins and slightly lower compression.

Fuel System:-
Pro Alloy are making me an internal collector with non-return valves for my bag tank. This will also have a low pressure pump feed from the opposite end of the tank just for good measure. 8AN lines will then feed into a Weldon 40 micron pre filter, a Weldon high pressure pump and then a Fuel Lab 6 micron post filter. This will then 'Y' off and feed into each end of a K-Tuned Pro 1000 fuel rail, which has the largest internal capacity of any rail I could get hold of. A central 8AN fuel return line will then feed into a Weldon A2040 fuel pressure regulator and back to the tank.

I've also changed my original decision to use ID2000 injectors and gone with the brand new ID1300 units. These will still be plenty big enough (and probably give us roughly 70% duty cycle) but more importantly are the only injectors which use 100% stainless internals and can therefore deal with any fuels and be maintenance free.

I've chosen Weldon Racing parts and specifically the Weldon D2015 pump as it's the absolute best in quality. It flows plenty and won't draw the current that 2x 044's would, has a lovely linear flow graph plot and won't heat our fuel. It'll also do the job of both sucking and pumping, from any location. The only downside is that it'll be loud!!! A small price to pay for peace of mind... Lastly, we'll run a fuel cooler, but only if we need to.

Bespoke Dry Sump system which will run off the oem chain system and all fit inside a normal size sump pan. We have someone who will make them for us. We have had an initial meeting and a further more detailed meeting where Scuffers went through all of the design features in more detail. And with a bit of luck, this particular project will get underway soon so that the first prototype can be made, tested, the design can be signed off and the kits can be made available for others too.

Bespoke removable tubular from spaceframe to replace the oem crash structure. This will allow me to position the engine radiator and big chargecooler pre-rad a lot better, making our cooling package much more efficient. It'll also allow me to vent all the hot air from the pre-rad into the wheel wells and not the underfloor as it does now. It'll also allow me to up the game in terms of front end downforce.

Aero:-
A few minor rear end tweeks, new slightly different diffuser, undertray, running boards. New front splitter design incorporating venturis which will vent into the wheel wells giving a huge improvement to front end downforce. I'm also going to be cutting away and re-sculpting a lot of the sill section from just behind the front wheels, going right back to the chassis and then back out to the sill again with a nice smooth transition. With a bit of luck this will allow all the extra air I'll be pumping into the wheel wells to escape efficiently.

Well those are the main bits anyway and you've probably got the gist, but I'm sure I'll come up with some other bits and pieces too.

Right now, the car is basically down to a bare tub with the front crash structure removed so I can start the spaceframe. I'll get some pictures up as and when I can.

Wish me luck........

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