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Where Does the Driver Weight Go?


Phantom

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I put my 1977 280Z on a set of truck scales a few years ago with the following results. The car has a complete leather, dynamated, 500 watt sound system interior, LS1/T56 conversion, MSA Aero II ground effects & 3/4 tank of gas.

Front - 1,440 LBs

Rear - 1,560 Lbs

 

Add a 240 lb driver and the weights go to:

 

Front - 1,500 Lbs

Rear - 1,740 Lbs

 

As you can see by the above numbers, 75% of the drivers weight ends up being supported by the rear axle. Put in two people and it gets even more pronounced toward tail heavy. The driver/passenger weight distribution will be consistently the same among all S30 coupes,and probably S130 Coupes. It will be less pronounced in the 2+2 versions where the driver sits further forward of the rear axle.

Edited by Phantom
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If you look at the total distance between the axles and how much the seat will adjust it can probably affect the numbers by 10-15% My numbers are based on the seat full back and then reclined a bit to fit my 6'4" body.

Edited by Phantom
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Man, 280zs are heavy.

"The car has a complete leather, dynamated, 500 watt sound system interior, LS1/T56 conversion, MSA Aero II ground effects & 3/4 tank of gas."

 

I would say the dynamat and 500 watt sound system don't help those numbers... I doubt "power to weight" in this vehicle will be realistically affected by making it miserably loud and tinny to drive in 'the quest for lightenss'.... Remember, Colin Chapman, for all his weight reduction dogma really didn't start winning until they strapped a 400HP Ford V8 in the car...then he stopped 'adding lightness' and started 'adding reliability'.... as Boris the Bullet Dodger says:

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I resisted.... But my desire was so great it leapt the ocean and conjured a like minded individual to post it....

 

I should only use my powers for good...

 

"Those are not the donuts you're looking for....move along!"

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  • 3 weeks later...

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