Project 92 SC - Weight Reduction

Click the thumbnails below to view a larger-sized image.

The headlight guts came out - the lamps, wiring, trim, and popup door motors, and motor controller weighed in at 7 lbs.

The battery was removed and replaced with a race battery, which is 19 lbs lighter.   Ever see a car battery able to be held in one hand?

Factory alloy wheels were replaced with some Konig Helium lightweight wheels (a very fitting wheel name), with a total difference of 20 lbs.  Since this is rotating mass as well as unsprung weight, it will benefit handling and acceleration too.

The windshield, rear window, and triangular side windows were replaced with Lexan, with a weight savings of 35 lbs.  As an added bonus, Lexan is more impact resistant than glass, and all the windows can now be removed from the car in under 5 minutes.   Pic at left is shown before the edges of the windows were blacked out.

The driver's seat was removed and replaced with a Corbeau race seat with adjustable tracks.  After fit and seating height is verified to be OK, the passenger seat will be replaced as well.  Total weight savings: 10 lbs.

The 18 lb stock flywheel was replaced with a lightweight Fidanza, which weighs only 7 lbs.  That's a savings of 11 lbs - and its rotating mass as well.  The revs should be able to spin up and down a bit more quickly now.

Removed the EGR valve (replaced with a block-off plate), EGR solenoid, canister purge solenoid, charcoal canister, and associated vacuum lines.  Add another 5 lbs to the total.

At this time, the exhaust was cut off right at the rear of the resonator.  This is about half of it - replacement of the catalytic convertor and resonator with something that flows more freely will soon follow.  Add 20 more lbs.

The remainder of the exhaust system was removed - the catalytic converter and resonator - which weighed 17 lbs.  The replacement exhaust system weighed 13 lbs, so the net difference was 4 lbs.

The ignition cylinder and wiper controls were replaced with switches on a custom switch panel.  Weight savings: 3 lbs.

 

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