Reply to "Building a Gr4 replica"

Most of us concerned about chassis rust drill 1/2" OD holes in the extreme bottom of both legs of the 'horse-shoe' stamping that supports the A-arms as well as 3 more in each main rear frame rail. Drilling the chin piece below the radiator is a good idea, but due to the shape of this piece and the 2 degree nose-down rake recommended, the hole placements needed is not at the back but about half-way forward in the curved area. Leaking OEM thermostats and hoses have ruined many of these parts (now reproduced by Johnny Woods in England).
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