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Discussion Starter #1
Im starting on a 3/4 chassis car and have a few questions on which length coilovers to run.
The car will run a 4 link with alston mandrel bent rails etc and i want the car to sit as low as possible and was after some advice on what works best.
Would a longer coilover be best say a strange double adj 19.15" extended and 12.64" compressed.
Also what spring length and rate would you guys suggest?
Weight of the car will be 3500-3700 pounds..

Thanks guys
 

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7 inch travel shocks use 14" springs

5 inch travel shocks use 12" springs

3500-3700 lbs does not give any information as to what pound REAR springs you will need.......

Build your car to use the LONGEST shock you can..

It will give you room to make chassis ride height adjustments without having to worry about the shock bottoming or topping out..

You can build your car without purchasing shocks and springs.. use rods to simulate the ride height of the shock you are going to use when you have the car at a point you can determine the actual race weight the vehicle will be, purchase your shocks and springs...
 

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Discussion Starter #6
7 inch travel shocks use 14" springs

5 inch travel shocks use 12" springs

3500-3700 lbs does not give any information as to what pound REAR springs you will need.......

Build your car to use the LONGEST shock you can..

It will give you room to make chassis ride height adjustments without having to worry about the shock bottoming or topping out..

You can build your car without purchasing shocks and springs.. use rods to simulate the ride height of the shock you are going to use when you have the car at a point you can determine the actual race weight the vehicle will be, purchase your shocks and springs...
thanks mate ya helps appreciated :)
 

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Without knowing close to the exact rear weight of the vehicle, full of gas, fluids the way it would go down the street or strip with you in it, would be a crap shoot and you will end up with 2 or more sets of springs then, so weigh the rear end under the tires, and the front too while your at it seperately, and you will have two bits of data here, your front to rear weight bias, and, your rear weight to help figure out your spring rate needed. I would say you will be anywhere between a 110-150lb spring, maybe a little higher, this being a little bit of a wide range, but I bet you will be close when all is said & done with!!!;)
gooday mate:-D
 
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