Koni shock install, help needed...

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DustyDave
Posts: 69
Joined: Fri Oct 19, 2018 9:12 pm
Your car is a: 1978 Fiat 124 Spider
Location: Greenville, SC

Koni shock install, help needed...

Post by DustyDave »

I tried to install new Koni’s and new springs On the rear of my car this weekend, and got held up. I could use some advice of someone who has done this before. They are on the car, but I am having a bear of a time torquing the top nut. First, it has 6mm flats at the tip. I can get a 6mm open wrench on it, but feels like it is going to round off at the recommended 30 ft-lbs recommended by Koni. Second, I am not sure how best to get a torque wrench on the 17mm nut? Not a lot of room in there for one. And can’t get a socket on and hold the shaft with 6mm wrench, so using a crows foot. This also is difficult to hold on so it does not round off, while also holding the 6mm. Are the special tools that help? I was trying to finish the job but thought better to leverage the wisdom and experience of others. Any thoughts greatly appreciated!
18Fiatsandcounting
Posts: 3798
Joined: Fri Mar 15, 2019 11:23 pm
Your car is a: 1969 and 1971 124 spiders
Location: San Francisco Bay Area

Re: Koni shock install, help needed...

Post by 18Fiatsandcounting »

There are no doubt better techniques, but I've just used a pair of vice grips to (gently but firmly) hold the shaft end of the shock and a 17mm box end wrench for the nut, using my best guess to get to 30 ft lbs. Decades of wrenching away on cars gives you a fairly good feel for torque values. Not foolproof, but close enough for my purposes.

Good luck with it!

-Bryan
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Daddio
Patron 2019
Patron 2019
Posts: 45
Joined: Thu Nov 16, 2017 1:29 am
Your car is a: 72 124 Coupe 2L project
Location: Portland OR

Re: Koni shock install, help needed...

Post by Daddio »

Get it as tight as you're comfortable with, be sure to install jam nuts, and retighten in a few hundred miles.
Jeff Aurand
Portland, OR
'72 124 Sport Coupe
'86 Bertone X "Anna"
'70 Volvo 145 "Edna", since 1989
'87 Maserati Biturbo Spyder 2800i
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geospider
Patron 2020
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Posts: 585
Joined: Mon Mar 20, 2017 9:07 pm
Your car is a: 1979 Spider 2000
Location: concord, ca

Re: Koni shock install, help needed...

Post by geospider »

Did the same as Bryan. I believe the Koni's come with the double nuts for the tops.
You'll be close enough.
Geo
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