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Old 05-12-2012, 09:07 PM   #1
InfiniteDice
14 Years with the E30
 
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GC coilover conversion - Pics

Finally getting my coil-over setup on the front. I have 475lb springs, Billy HD with shortened internal bumps, 5lb take-up springs and custom aluminum backing plates. I cleaned and coated the strut housings in POR15.









I'm installing tomorrow, I'm mounting with the adjusters in the middle to see where she sits, I can adjust 1.5" either way.

Oh and the last pic is of the 2 tools I made for about $6. One is for the collar/cap on the strut insert, and the other is for holding the top nut at the strut mount, it allows an allen key socket to pass through the top.

Later guys.

I'll post pics when it's done.
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Old 05-12-2012, 11:05 PM   #2
MaxBell
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That's looking great! How low will you be able to get with this kit?
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Old 05-12-2012, 11:43 PM   #3
InfiniteDice
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Not sure... but probably lower than I need. My goal is from -1" to -2.5" or around there. I'm getting some adjustable sway bar links as well. Then it's on to the front brakes.
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Old 05-13-2012, 10:35 PM   #4
Roysneon
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Any reason you chose the Heavy Duty over Sport shocks?
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Old 05-13-2012, 10:59 PM   #5
Bullet Ride
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Looks good!

Without shortening the housings, at full low the top of your tire will probably sit a finger width above the top of the wheel arch. I say that because my housings are shortened between 1.5-2" (I can't remember the exact number) and at full low I'm tucking 205/50's by about 1.5"... but IMO the car is useless at that height anyway so why bother.
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Old 05-13-2012, 11:12 PM   #6
InfiniteDice
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Yep. I want to have the flexibility to go back to nearly stock ride height. The HD is the same valving but with a longer shaft and larger internal bump stops (which I removed 2/3 of).

Really with 475lb/inch springs the travel I'm going to see isn't going to be very much. Right now I estimate that I have at least 1.3" of travel before I hit the internal bump. That's 1.3" x 475lb = an extra 617lb of force needed to hit the stops given the springs I'm using. On 300lb springs this wouldn't be a good setup, unless the springs themselves were 8" long.

If I ever manage to bottom out (spring coil or any other part of the setup) I'll post it here.

After my first drive....

Way more nimble steering! Some slow speed road imperfections are more jolting, but it keeps it's composure. On the highway it's really nice.

It's sitting a bit on the high side, maybe .5" higher than what I want, all I need to do now is jack up the car, and loosen the collar, and dial in/out the adjuster... awesome, don't even have to remove the wheel. I figure I can get about another 3/4" lower the way it is.... If I need more than that I'll have to pull the assemblies apart again and remove the 1/2" steel spacer I put below the coil adjuster. I could get even more drop by later switching to camber plates.
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Old 05-15-2012, 10:25 AM   #7
InfiniteDice
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Drives great but she's actually sitting 1.5" from where I'll need it for the BBS wheels.

I'll probably have to remove the metal spacer.

As a second test, today after work I'm going to lower it as far as it will go on the adjusters and see where it sits. I'll take a pic then.
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