Build Diary Summary: the journey of the project from the start

The Subaru P1 by Prodrive

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The Build Diaries are a full insight into the process of our builds. Live & direct from AutoRARA technicians.

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This Subaru needs more than a little TLC. This P1

David Stubbs
15/11/2023

A mixture of outdoor living and previous workshops bodged attempts at metalwork mean that this car is in a real sorry state. Its issues are obvious though, so its an honest start. There is no doubt that this is going to be a challenge but with only 160 of these still on UK roads and with prices climbing it is definitely worth saving.

Stripped and ready

David Stubbs
19/11/2023

Everything is off and the car is mounted to the roll over jig. This is the start of our fabrication marathon....... Is there a doctor in the house!

Underside prepared and welding begins

David Stubbs
10/12/2023

There's lots to do one this one but where we can we will save all of the original metal. Rust is completely removed before fabricated pieces or new panels are added.

Chassis repairs front left sill and jacking point

Adam Saxton
12/1/2024

Sill end piece fabricated and welded into place. New jacking point fabricated from scratch and held in position ready for spot welding and final smoothing

Metalwork Complete

Chris Heathcote
15/2/2024

Metalwork is complete on the Subaru P1 and ready to goto our bodyshop for an underside treatment and stone guard

Drive shaft strip down

Daniel Rouse
27/3/2024

FL drive shaft strip down, de grease and clean up ready for paint. both boots OK, but pin that holds drive shaft to gearbox broken will need a new one and new clamps for boots to

Front hub preparation

Daniel Rouse
8/4/2024

Front hub bearing pressed in, curclips fitted and seals then centres pressed in ready for fitting

Metal treating

Joe Walters
11/7/2024

Metal work around the entirety of the car has now been re cleaned, any surface corrosion removed & metal/rust treating solution applied. The treating product has been applied over all seems & all previously corroded areas. I have treated the commons areas for corrosion such as the rear chasis legs & strut towers. The underside is now ready for seam sealant & final paint prep.

Engine Bay and Underbody Painted

Charlie Harris
31/7/2024

Seam sealed the engine bay and prepped primer ready for colour. Coated underside and engine bay in colour and topped with premium flow clear coat

Boot Corner

Sam Warburton
14/8/2024

Upper left side had some holes that needed repair, there was rust between multiple layers, layers were taken apart and blasted any surface rust the rotten area was cut out and replaced with new steel to match the original profile.

Seam Sealer

Bradley Ball
31/10/2024

STP flex applied to areas that are required (Seam seal)

Prepping ready for colour and clearcoat

Bradley Ball
6/11/2024

Cleaned, masked and applied epoxy high build primer. Block down high build starting with 320 grit, then to p500 and finished in p800 as will be a metallic colour

Cleaned, masked, applied base coat and clear to the under side and inner shell. Re masked the shell in opposite mask

Clean, applied base coat colour and clear

Final polish for the shell

Stuart Duncanson
12/11/2024

Final flatting and polish in door edges and engine bay. Final polish over quarter panels and roof