HMHaga - C5 Z06 nuts and bolts

I put the car on a weighing cell, measurement 1380 kg / 3042 lbs. The specified curb weight is 1440 kg / 3175 lbs. Ideally I should have weighed the car before I started to "add lightness". The weighing cell is calibrated annually, as it is used by the road authorities to verify compliance to regulations (e.g. total weight with a trailer).

“Adding power makes you faster on the straights; subtracting weight makes you faster everywhere" - Design philosphy of Colin Chapman, Lotus Cars. Why not apply it to the Z06? Adding power is expensive, removing weight is free. The air pump is not needed, the stock stereo is a disaster and the rear trunk looks almost as nice without the carpet. Trunk carpet removed Stock seats removed, the driver's side is replaced with a Sparco seat I put all the small parts in a bag to get the total weight Stock head unit, CD changer and speakers Secondary air injection pump and piping Power steering pump Fuel rail covers Air filter cover Rear trunk plastic covers Rear trunk lamps Tire puncture kit Weight of parts in bag 20 kg / 48 lbs Rear trunk carpet 6 kg / 13.2 lbs Rear trunk lid 2 kg / 4.4 lbs Floor mats 2 kg / 4.4 lbs Hood liner 1 kg / 2.2 lbs Passenger seat 14 kg / 31 lbs Driver seat 16 kg - Sparco Evo 12 kg = 4 kg / 8.8 lbs Total weight saving: 20 + 29 kg = 49 kg / 108 lbs  😎

Analog audio broadcast is history in Norway (replaced by DAB), and with a CD changer trying to play Johnny Cash and Mark Knopfler simultaneously, I was left with a useless head unit. No radio, no CD. I didn't want to spend too much money on an expensive and heavy 2 DIN unit and speakers, so the head unit is now replaced by an old Windows tablet and a single board 2x50W amplifier with bluetooth. The Bose door speaker units are replaced by two 6.5" speakers and new speaker cable wiring.  Total cost less than $150, with a "head unit" with much more capabilities than a traditional 2 DIN unit. I can install my own software and configure it completely to my liking, and even use it with HP Tuners to display engine management data. The new setup surprisingly plays with higher fidelity and more power than the Bose hardware.  As the head unit was replaced by a single board amplifier, I blocked off the location using plexiglass. When you paint plexiglass on the back side, it lo