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Subaru BRZ General Forum All discussions about the Subaru BRZ coupe


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Old 09-24-2018, 09:57 PM   #43
chaoskaze
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get some piece of wood from home depot and lay it in the ditch....


my friend been getting that free wood from home depot so he can jack his car up & stuff.

Key is ask for something smaller then 4x6. lol.......
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Old 09-25-2018, 12:21 AM   #44
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The moment about the rear axle has to be 0. Sum the force vectors on both sides, the remainder is supported by the front axel as an upwards force.

By decreasing the weight behind the rear axle you reduce that part of the force vector sum. Meaning the front actually has a greater force on it, since the moment around the rear axel must still be 0.

Greater force on the front, more spring compression.
Just no. Less force on the front. Your are overcomplicating the reality of the situation. The entire suspension supports the entire vehicle. You simply cannot separate the front and the rear of the car and assume they do not interact with each other. I removed everything behind the front seats, believe me it lifted the entire vehicle.

We are not talking about lifting the car inches, just fractions. Usually that is all that is needed to not scrape on most surfaces.
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Old 09-25-2018, 01:36 AM   #45
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Just no. Less force on the front. Your are overcomplicating the reality of the situation. The entire suspension supports the entire vehicle. You simply cannot separate the front and the rear of the car and assume they do not interact with each other. I removed everything behind the front seats, believe me it lifted the entire vehicle.

We are not talking about lifting the car inches, just fractions. Usually that is all that is needed to not scrape on most surfaces.
I am not over-complicating anything. Just using basic statics to explain why, when you remove weight from behind the rear axle, the front axle has to support more weight. Not much more, but more nonetheless.

Any weight removed from between the axles will raise the entire car.

Here's an experiment you can run. Take a 12 inch ruler, support it at 3 and 9 with pencils. Add coins to one end. Eventually the ruler will tip if you keep adding coins right? That means the opposite pencil is no longer supporting any weight. Reverse that finding and as you remove weight (coins) from one end, the opposite pencil is supporting more weight, even though the overall weight of the ruler is less. If your results differ, please let me and the world's science community know.
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Old 09-25-2018, 07:19 PM   #46
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Just stick on the rally springs/shocks for now and get the rest of the rally kit later.
I don't need the body kit stuff, actually think it's kind of ugly but, springs, shocks, wheels/tires and some driveline modifications so it doesn't tear itself up are the plan. I love ripping around with this car on dirt roads and at this point without an infrastructure rebuilding plan the regular roads around the northeast are hammered and just going to get worse so it would be fun to be able to just roll without worry.
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Old 09-25-2018, 07:19 PM   #47
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Hahahaha
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Old 10-07-2018, 05:28 PM   #48
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You could always get a cheap lip kit like the baysonR sti lip. It's under $100 and will keep your bumper protected. Otherwise you are gonna want to hit it at an angle like everyone else is saying.
+1. Thatís what I do. But I use the STI lip due to its strength/flexibility.
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