Post #175
A couple of things have happened since the last post.
I went to cadwell on the 13th of september for my first trackday there, I had a great time and goldie held itself together all day too which was a nice bonus.
I was a bit steady in the morning but got progressively faster as the day went on. In the afternoon my nearside tyres were very worn so i decided to swap them over with the offside wheels, and in typical fashion it then decided to throw it down!
I waited for the rain to die down and ventured out onto the track nervously (near slick R888's with the remaining tread trying to force any water to the centre of the wheel is never going to be a great setup for the wet track). As expected it was very slippy so i just pootled round for 20 mins and it began to dry out, so i kept getting more and more agressive over the next 20 mins. Unfortunately my camera decided to fill the memory and fail to save any of the footage but i was one of the quickest on track at that point.
I had no overheating issues at all, the oil didnt get above 115c all day, and no issues with cooked brakes so my efforts to keep stuff cool seem to have paid off.
The only minor issue is the annoying ball joint clunk when transfering weight from side to the other, so i pitted and nipped up the pinch bolt a bit more and that stopped that.
I have a couple of videos from the morning sessions when i was a bit slower, still had a good tussle with a clio though.
Clio
Other clip
I took a mate along as my passenger for the day, he took his DSLR and got some pretty nice snaps, here are a few of them:
[Images lost]
After that day i've decided i could do with a roll cage after seeing a nasty smash and a few others which could have ended pretty nastily, so i'm going to send my car off to Phill at some point during winter for one of his cages to be welded in.
I could also do with a slippy diff but thats a slightly less important addition for now.
I also want more power as i kept catching people and not having the power to get past on the straights which is annoying.
I have a 30mm ARB some 21mm torsion bars and a rear beam rebuild kit which could do with a new home on the car, but i think im going to buy another rear beam and get Martin to machine some negative camber for me before i put it together and onto the car.
The car is currently SORN'd so i dont keep going out and wasting loads of petrol in it, allowing me to buy these new shiny bits for it.
I've just bought a new valeo clutch for it ready for when i sort out a slippy diff and some of miles' gear linkages, it doesnt need a new clutch but i may aswell fit a new one when i put a new 'box on it (this one tends to crunch when going into 2nd).
The postman has also just delivered these this morning:
[Image lost]
Catcams 4903110 with the required springs and retainers.
I'm going to slowly build up a high compression engine over the next year or so, as and when i can afford it, i've got a spare block which just needs boring and possibly decking, i'll be getting forged pistons and rods, i have some of Rich's uprated bigend and main bearings and headgasket already. I just need to source a head now as i have loads of spare good valves
I'm also working on a throttle body setup similar to what yanni did, i was originally going to use silicon joiners to mount the bodies to an old inlet manifold but then i bought these cams and decided that if im going to all this effort i may as well mount them properly and get a flange sorted out.
It's handy being a machinist as i get to stop after hours and make myself shiny new parts.
So far i've made some plugs which sit where the bike injectors used to live which im going to hook up to a small plenum to control the idle with the MAP sensor incorporated into it. I then made a bracket which holds these plugs in place, as i was originally (before i decided to go the high compression route) planning on getting a supercharger and running it through the ITB's just so i had a unique setup and i didnt want the possibility of boost popping these plugs out. In the end i decided against this as it would be a pretty expensive project and i can't be bothered with the potential unreliability.
I have also made some linkages between the bodies, i just need to get round to riveting them to the tabs.
I've modelled some stuff in CAD for the bodies and i've found some ally flat which my boss said i can have for the flanges, so i think i'm going to head into work on sunday morning to make a start on milling the manifold so the runners are all equal length and have a nice square end. I doubt i'll get anything done on the flanges as i want to learn how to use the new miller and have them as an excuse to play about with it, but its still sat on a pallet at the moment whilst we decide where to put it.
Some pictures of what i've been doing:
[Image lost]
The plugs to go where the old injectors lived.
[Image lost]
In situ.
[Image lost]
Little ally plenum for the plugs to connect to for idle control and MAP sensor.
[Image lost]
How i was going to have them.
[Image lost]
CAD model of how the new setup will look. (Lego style throttle bodies as i couldnt be bothered to model them exactly due to time constraints).
I think thats about everything since my last post.
________________________________________
Goldie the track car.
prism7guy
Posted 5th Jun 2011 at 00:27
[Fun car] >>
Looks like the rallye with have to take its place 
haha 
