top of page
CATERHAM 420R BUILD


Tool Kit
The ITB upgrade has left a large empty area in the engine bay, where the old Plenum and Air Box used to be. I had always intended to use...
Jun 6
Â
Â
Â


Individual Throttle Bodies
After some research I decided to upgrade Tigger with individual throttle bodies. Basically this means that each cylinder in the engine is...
May 29
Â
Â
Â


Catch Can
The Catch Can supplied by Caterham in the kit is basically a plastic washer bottle with a hole cut in to receive an oil pipe from the top...
Jan 9
Â
Â
Â


Air Filter
I was keen to improve the induction noise in the engine while, at the same time, make a little extra space in the engine bay. With some...
Sep 4, 2024
Â
Â
Â


Shift Lights
The shift lights give a visual indication of the optimal time to change gear in order to keep the engine in the power band. Various...
Mar 28, 2024
Â
Â
Â


Bow Protectors
The "bows" are the curved chassis tubes that run from the top of the boot to the cockpit. As such, the paintwork on the bows is quite...
Mar 28, 2024
Â
Â
Â


NC500
I lived in Edinburgh when I built Tigger and so the lure of the North Coast 500 route was an obvious choice. Many of the roads in...
Jul 23, 2023
Â
Â
Â


The First 1,000 miles
I arrived at Caterham Gatwick to collect Tigger with feelings of great anticipation and excitement, equally matched with anxiety about...
Jun 27, 2023
Â
Â
Â


Registration
The final step - getting the car registered with the DVLA and a registration number allocated to Tigger, requires the submission of a...
Jun 13, 2023
Â
Â
Â


IVA
The IVA test (the assessment performed by the Vehicle Certification Agency) is the formality required to legally certify the car is...
Apr 19, 2023
Â
Â
Â


Post-Build Check
As part of the Complete Knock Down (CKD or kit) option, Caterham offer self-builders a Post-Build Check (PBC) in which the vehicle is...
Mar 21, 2023
Â
Â
Â


65. Pedal Setup
Whilst waiting for the collection and transfer to Caterham for the PBC and IVA steps, I started to think about the need for using heel &...
Mar 3, 2023
Â
Â
Â


Collection
Collection day Monday March 13th ..... Garaged, Collected by Ivor and safely delivered to Caterham Gatwick Tigger was delivered to me in...
Mar 1, 2023
Â
Â
Â


64. Bleeding Brakes
Having driven the car a small distance (up and down the driveway a few times) there were two apparent issues with the brakes. First and...
Feb 20, 2023
Â
Â
Â


63. Ride Height
When assembling both the front and rear suspension, a quick comparison of the dampers showed that they were not set to any particular...
Feb 20, 2023
Â
Â
Â


62. Badge
The lovely black and silver Bonnet Badge is to be fitted to the Nosecone. Whilst there are two holes pre-drilled in the Nosecone to...
Feb 15, 2023
Â
Â
Â


61. Nosecone & Bonnet
Not difficult to fit, but necessary to check for clearance above the engine components. The nosecone was fitted first and it was straight...
Feb 15, 2023
Â
Â
Â


60. Floor Mats
Having decided not to fit the carpets underneath the seats, I debated the need to fix the mats to the floor pan. They are rubber and...
Feb 15, 2023
Â
Â
Â


59. IVA Trim
I went through the IVA manual supplied by Caterham and used the supplied bag of cap covers, grommets and trim to fulfil the requirements....
Feb 15, 2023
Â
Â
Â


58. First Outing
Forward motion! The car was left on the driveway turning over at idle speed while I monitored the gauges and the engine bay. It was...
Feb 11, 2023
Â
Â
Â
bottom of page