10-04-2012, 09:30 PM
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#20 (permalink)
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A True Z Fanatic
Join Date: Jun 2010
Location: Long Island
Posts: 5,059
Drives: slowwww
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Quote:
Originally Posted by NissanGuy23
Weight has almost no impact on top speed, its just drag and horsepower. Weight might have a very minimal impact, more rolling resistance maybe. But 400 lbs lighter might give you an extra 1mph top speed at best.
If you dropped 800lbd off your Z, you have the same body (same cd) and same power, same top speed, or at least very close.
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 Weight only really only matters in reaching the maximum accelleration since the motor will have less to push forward in a lighter car(given all else is equal). The real factors are air resistance & drivetrain loss/rolling friction. The difference of weight at high speeds would have to be substantial to have a real difference in top speed. Hypothetically, I think a 2,800lb Z will have nearly the same top speed as an identical 3,600lb Z, but the heavier Z will need more time and more room to reach it.
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