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CATERHAM 420R BUILD

Building TIGGER

A Build Diary and an Alternative Build Manual

About

A record of the highs and lows of building a Caterham 420R that begun with order placement in June 2022. An attempt to contribute to the communal knowledge of Caterham builders by standing on the shoulders of those who have gone before and to help those who come after. Would love to hear comments and feedback to help to keep the information honest and accurate.

Recent Posts

Tool Kit

Tool Kit

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...

Individual Throttle Bodies

Individual Throttle Bodies

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...

Catch Can

Catch Can

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...

Air Filter

Air Filter

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...

Shift Lights

Shift Lights

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...

Bow Protectors

Bow Protectors

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...

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