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Old 01-01-2012, 11:36 AM
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Front coil springs on a car with Big Block

Hello all, I knew going into this project of putting BB in 78 elcamino I was going to need to address front suspension. The upside is the stance is perfect just the way it is, so I really don't want to go with heavier springs. It needs new shocks anyway so I was considering starting with a quality set of shocks to stiffen up the ride a little. My question is will new shocks just bottom out with loaded springs? What If I put on a new set of stock springs (I'm sure the springs on there now must be original) Would that raise it enough to allow shocks to move the full range? What do you guys think? I'm not looking to acheive competition handling. Thanks

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Old 01-01-2012, 01:01 PM
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I would not do anything.The difference in weight is about if you stand on the front bumper. It just doesn't drop the front all that much.Put it in before you spend a lot of time and money for nothing. You may be happy just like it is. If not you don't have to pull the engine to change the front springs.I put a small block in an S10 that came with a 4 cylinder and it worked great.
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Old 01-01-2012, 01:20 PM
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oh the engine is in, and I drove it a few times on some wavy country roads around where I live and it is pretty soft and bouncy. I am definitely going to need new shocks at least. Any suggestions? I'm kind of lacking in knowledge about shocks. What exactly is adjustable about adjustable shocks? I'm sure I can find that out easy enough, but as long as I am asking questions..
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Old 01-01-2012, 01:53 PM
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you might try and find some shocks for a lowered car (they are a little shorter)
or measure yours and order the new ones by a list of specs, not application
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Old 01-01-2012, 02:42 PM
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here is an example http://belltech-store.com/main-cat-s...nce-49933.html
search around, you should find some
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Old 01-01-2012, 03:44 PM
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I don't disagree that using the stock springs will work, but I think it would be better to upgrade your springs to match the weight increase of the BB.

Since you like the stance, you've got the right compressed height with the stock springs. The spring rate is a bit soft for the extra momentum of the BB, this will cause your suspension to bottom out too easily. (You are already closer to bottom with the lower compressed height, with the extra weight on softer springs you can easily bottom out on small bumps.) You should get springs that are rated for the BB in your El Camino, you can get lowering springs if you want to lower the car (front/rear/both).

For my El Camino, I had a set of Eibach lowering springs with my sbc, for my BB, I have changed the front springs to the correct rate. They are also lowering springs with the shorter compressed height.

Remember shocks are there to dampen the energy stored in the springs, if not the springs would almost endlessly bounce up and down as the energy transfers from compression to stretching and back. The stiffer the shocks, the quicker the bounce is dampened, shortening the travel quicker.
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