![](./images/smilies/spacer.gif)
![Image](http://www.madcat.co.uk/imoc/main.jpg)
![](./images/smilies/spacer.gif)
Well, I started this in 2002 with a rev4 GT turbo imported directly from Japan.
![](./images/smilies/spacer.gif)
I sourced the car for
![](./images/smilies/spacer.gif)
£8k with the intention of using it as my road car for a couple of years and then converting it into a track car.
![](./images/smilies/spacer.gif)
I had it about 4 weeks before I wanted more power and took it to Owens for a unichip
![](./images/smilies/spacer.gif)
- it was a total disaster, Owens said they put more boost in but the car just wasnt responding.
![](./images/smilies/spacer.gif)
When I got back home I did a compression test and found that number 3 cylinder was way down on compression.
![](./images/smilies/spacer.gif)
I decided that a full rebuild would be a good idea, so I took it to Noble Motorsport's in Chesterfield.
![](./images/smilies/spacer.gif)
I told them I was looking for about 350bhp and intended to use it on track.
![](./images/smilies/spacer.gif)
At this stage the spec looked like this.
![](./images/smilies/spacer.gif)
.
![](./images/smilies/spacer.gif)
.
![](./images/smilies/spacer.gif)
Motec M4 Pro ECU
HKS 264 Cams
CP Pistons 8.8:1
Owens Stage 4 CT26
Greddy IC
![](./images/smilies/spacer.gif)
She made about 330bhp at the fly for 1.7 bar, but I wasnt really happy
![](./images/smilies/spacer.gif)
- the torque was missing low down and it was really intermittent, sometimes I would get loads of power sometimes it would seem really weak.
![](./images/smilies/spacer.gif)
Mark at Owens told me it was a cooling issue and that the turbo was producing way too much hot air for the size of intercooler I was running.
![](./images/smilies/spacer.gif)
I then got in touch with Patrick, who had recently set up Rogue Systems about using a ST205 chargecooler.
![](./images/smilies/spacer.gif)
Patrick said he was actually working on a new system with Pace
![](./images/smilies/spacer.gif)
- I quickly volunteered my car to be used as a guinea pig!.
![](./images/smilies/spacer.gif)
Pace CC made a dramatic difference, it went back to Owens, had some fuel removed and she hit 365bhp.
![](./images/smilies/spacer.gif)
About this time my turbo died a sudden death on track, when the air filter pipework came loose and it sucked in a foreign object
![](./images/smilies/spacer.gif)
- bang!.
![](./images/smilies/spacer.gif)
A few phone calls and I had myself a reconditioned GT28 from Fensports Celica!.
![](./images/smilies/spacer.gif)
This was fitted, but it was obvious something wasnt quite right.
![](./images/smilies/spacer.gif)
It felt more torquey than the CT26 but the top end was pretty weak.
![](./images/smilies/spacer.gif)
Almost 12 months passed, with blame going from CC to Turbo, over and over until Dino contacted me with a view to test out his new CC core, which he felt would be perfect for my use.
![](./images/smilies/spacer.gif)
![Image](http://www.madcat.co.uk/imoc/engine.jpg)
![](./images/smilies/spacer.gif)
We fitted the new CC core which made a dramatic difference, however disaster struck on the way home, the block cracked on cylinder
![](./images/smilies/spacer.gif)
#3.
![](./images/smilies/spacer.gif)
I always knew that the later rev3 blocks were prone to cracking
![](./images/smilies/spacer.gif)
- now I had found out the hard way!.
![](./images/smilies/spacer.gif)
![Image](http://www.madcat.co.uk/imoc/piston.jpg)
![](./images/smilies/spacer.gif)
![Image](http://www.madcat.co.uk/imoc/piston2.jpg)
![](./images/smilies/spacer.gif)
Build
![](./images/smilies/spacer.gif)
#2 was really straightforward, same components except for JE pistons
![](./images/smilies/spacer.gif)
(off the shelf)
![](./images/smilies/spacer.gif)
- new thick walled block was used too!.
![](./images/smilies/spacer.gif)
The new build felt better from the start, although we had teething problems with the head gasket and valve train.
![](./images/smilies/spacer.gif)
![Image](http://www.madcat.co.uk/imoc/engine2.jpg)
![](./images/smilies/spacer.gif)
Once these were fixed the car was running really sweet
![](./images/smilies/spacer.gif)
- actuator at 1.2 bar and she was flying.
![](./images/smilies/spacer.gif)
A trip to Dave Rowe at Motec to get some more boost put through her and more problems began
![](./images/smilies/spacer.gif)
- the turbo just wouldnt make any more than 1.2 bar at redline.
![](./images/smilies/spacer.gif)
Lots of head scratching and I eventually sent the turbo back to Turbo Dynamics
![](./images/smilies/spacer.gif)
- they delivered the bad news
![](./images/smilies/spacer.gif)
- its knackered mate, aluminium stuck in the exhaust wheel which is making it out of balance.
![](./images/smilies/spacer.gif)
They recommended using a slightly different turbo, a GT3071
![](./images/smilies/spacer.gif)
- rated at 450bhp and it was much more efficient that my old GT28, they could re-use most of my turbo except for the
![](./images/smilies/spacer.gif)
"middle bit".
![](./images/smilies/spacer.gif)
The new turbo went on
![](./images/smilies/spacer.gif)
- the difference was amazing!
![](./images/smilies/spacer.gif)
With a 1.2 bar actuator and the Motec boost control switched off the car pulled like a train, it was easy to control, making loads of boost by 3.5k and was an absolute dream!.
![](./images/smilies/spacer.gif)
Another trip to Dave Rowe and we had a flat 1.7 bar boost curve, loads of ignition advance and it was making loads of power.
![](./images/smilies/spacer.gif)
![Image](http://www.madcat.co.uk/imoc/daverowe.jpg)
![](./images/smilies/spacer.gif)
The head gasket issue reared its ugly head again during this mapping session, so we stripped it again and sent the head of to an expert.
![](./images/smilies/spacer.gif)
He said the finish put on by the previous maching shop wasnt good enough
![](./images/smilies/spacer.gif)
- he fixed it up and sent it back.
![](./images/smilies/spacer.gif)
We slapped it together, all ready to test and then the prototype CC core I fitted last summer sprung a leak and poured water everywhere!.
![](./images/smilies/spacer.gif)
So, now I have the car making loads of power
![](./images/smilies/spacer.gif)
- HG is fixed and im just waiting for Dino's fabricators to send me the all new CC core and super new front rad.
![](./images/smilies/spacer.gif)
Once thats installed shes all done
![](./images/smilies/spacer.gif)
- honest
![](./images/smilies/spacer.gif)
![Image](http://www.madcat.co.uk/imoc/garage.jpg)
![](./images/smilies/spacer.gif)
Current spec
![](./images/smilies/spacer.gif)
Motec M4 Pro
![](./images/smilies/spacer.gif)
(Dave Rowe!)
HKS 264 Cams
JE Pistons
![](./images/smilies/spacer.gif)
(9:1 cr)
Garrett GT3071 Turbo
Dinos CC and Front Rad
TRD Rear Diff
335mm big brake upgrade
![](./images/smilies/spacer.gif)
(front and rear)
TRD ARB
JIC Front and Rear ARMS
JIC Lower Brace
Cusco Strut Braces
Custom Suspension
235x40x17 Front
255x40x17 Rear
Defi BF's
![](./images/smilies/spacer.gif)
(Fuel Press, Oil Press and Boost)
![](./images/smilies/spacer.gif)
Plus loads of other stuff I have forgotten.
![](./images/smilies/spacer.gif)
.
![](./images/smilies/spacer.gif)
.
![](./images/smilies/spacer.gif)
![Image](http://www.madcat.co.uk/imoc/wheel.jpg)
![](./images/smilies/spacer.gif)
Neil.
![](./images/smilies/spacer.gif)