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PUNAPORSCHE
 
Join Date: Oct 2013
Location: PUNASIDE BRO!
Posts: 70
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911 suspention lowering

I want too lower my 84 carrera, i am going to buy koni strut housings that have been raised 19 mm. Any thoughts on this? And how do i lower the rear to match the frt. Ride height?
And what is corner balancing andhow do they do that as there are no suspention shops here on the bigisland of hawaii- lots of nature though!!!!!
Ok all you pellican porsche masters.......... Some help? Thank you
bills 84 carrera,........... And aalllooooooohaaa

Old 10-28-2013, 03:19 PM
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Fleabit peanut monkey
 
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Join Date: Nov 2007
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Bill,

How long have you owned this car?

Why Konis when Bilstein are pretty much world class? Maybe Konis are a wee bit better in some situations, But, really? Why?

What track will you be auto crossing you car on the big island? If you are serious about this there are fifty hundred other things you need to consider. Example, fatter torsion bars.

The front lowering adjustment is easy. The rear will take some grunt work. Index the torsion bar in the rear. Don't be a girly man and simply adjust the ride height.

If you are new to the 911, seriously, don't do a thing till you research a bit.
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Old 10-28-2013, 04:50 PM
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Bill,
Welcome to the addiction.

Lowering the rear is simple done by removing the spring plates and moving them down one tooth at a time till you get to the height you desire.
It's time consuming, but free to do.

The fronts are easier, and done once you settle n the rear height.
Fronts have an 11mm adjuster bolt on the end of the torsion bars.

Corner balancing is the attempt to get each wheel to display the same amount of weight when measured on a scale. To do this with the stock suspension is not exact, but you can get close.
You can only really adjust the two front torsion bars at this level of detail, so that is how you set the corner balance.
If you get adjustable rear spring plates, or you step up to coil over springs on all four corners (overkill) you can get it almost perfect.

Corner balancing (read about it) is so when YOU are in the drivers seat, each corner is measured on a scale to be almost identical.....so the extra 150 to 250 lbs in the drivers seat makes a difference.

It matters, and it's worth the effort, if you race the car.
It's not worth the extra effort if you are just using it as a street car...unless you are super sensitive to the handling aspects of the car...and would feel the difference.

Saying that, all my cars are corner balanced....so you may want to learn how to do it.

All of this is DIY once you understand the principles and the adjustable items on the chassis.

rich
Old 10-28-2013, 05:03 PM
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Caveman Hammer Mechanic
 
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Join Date: Feb 2009
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Bill,
Once again, if you lower the car, you must finish with a corner balance. There is a panoply of issues that pop up out of the Pandora's Box of Lowering. While your car might look better, the handling may suffer. These cars are adjustable, and as such there are few right ways and plenty of wrong ways to do it.
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Old 10-28-2013, 05:46 PM
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RETIRED
 
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AND alignment.....best to get adjustable spring plates as well as adjustable sport shocks.
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Old 10-28-2013, 06:26 PM
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Under the radar
 
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Why Koni struts? IIRC Koni struts were not used after 76 or 77. So you are back dating your struts?

Raising the spindles opens a whole can of worms that need to be addressed. You will need a bump steer kit and not just the rack spacers. Then you or someone with the know-how will have to adjust the bumpsteer.

This has just been discussed, you should do a search.

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Old 10-28-2013, 06:44 PM
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