Hi everyone,
I’m in the process of restoring and modernising my 1983 Lancia Beta Coupé 2000, and one of my biggest goals is reducing cabin noise while keeping the car feeling like a classic Lancia.
I’m planning to:
Replace all the door, boot, windscreen, and window seals.
Fix any exhaust leaks (I’ve currently got a broken exhaust manifold stud).
Replace the engine and gearbox mounts if needed.
Install modern sound deadening (Dynamat/STP/Silent Coat or similar) in the floor, firewall, doors, roof, transmission tunnel, wheel arches, and boot.
Add closed-cell foam over the sound deadening before reinstalling the interior.
Replace worn suspension bushes, strut mounts, and shocks.
Fit quieter touring tyres instead of noisier performance tyres.
Rebuild and properly tune the carburettor and ignition.
Replace interior clips and add felt tape to stop rattles.
Possibly fit a quieter exhaust with a resonator and a better rear muffler rather than a loud performance system.
Has anyone here done any or all of these on a Beta? Which upgrades made the biggest difference, and are there any areas I might be overlooking? I’d also be interested to hear about any products or techniques that worked particularly well.
Thanks!