Shock Torquing - Chevy Impala SS Forum
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post #1 of 5 (permalink) Old 03-22-2002, 07:57 AM
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Over the past two days I have installed BMR standard length rear lower control arms, Bilstein 0929's, and cleaned up, flipped over and re-installed the HA rear bar. All went well. No lost skin just some bruises on the forearms where I had to reach up through the rear suspension to get at the top shock mounts. (BTW, reversing the top bolts to have the nuts on the bottom made the install a lot easier. Thanx to who ever originally posted that trick.)

I'm now going to do the the 1104's in the front. The basic install is no problem but my question is "how do you torque the top nut down to spec. when you can't use a torque wrench"? The allen key has to go in to hold the shaft from moving so the only thing you can use is a box end wrench on the nut. The FSM torque spec is 97 in-lbs (about 8 ft-lbs.) and the Bilstein spec is 19 ft-lbs. Is there a indicator of the amount of squish on the bushings that can be estimated. The only other way I can see to do it is crow foot wrench on the torque wrench, if it will fit in.

TIA, Stewart
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post #2 of 5 (permalink) Old 03-24-2002, 08:03 AM
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The "trick" that we recently used on fast_ss1's shocks was something called an "O ratchet". It's available at Sears, about $60 for the ratchet and sockets.....not cheap on a "one time" basis, but pretty cool if you consider it to be one of those "lifetime" kinda tools.

It is like it sounds....a ratchet with a hole thru the middle of it! Makes it easy to get the allen-key thru the middle.

As for "How tight", I usually go until the bushing has squeezed out such that it is approx the same diameter as the washer above it.
post #3 of 5 (permalink) Old 03-24-2002, 09:08 AM
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Ed: Thanx for the feedback. I've seen the "O ratchets". They are expensive andI can't justify one for the one time use. Thirty years ago I might have, but remaining time for a lifetime investment is probably a lot less than yours. I was looking for something else and your last comment on tightening the nut until the bushing is about the diameter of the washer is what I was thinking about. Thanx again.

post #4 of 5 (permalink) Old 03-24-2002, 04:10 PM
Jim Moulton
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Murf's Dad : Gee, what was that crack about "lifetime" Stewart?
Seeing as how we are both AROUND the same age, you being older...

Ed's comments are always timely...I also am installing Bilstein's probably in two winter over yet in Ottawa ?
post #5 of 5 (permalink) Old 03-24-2002, 04:18 PM
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Hi Jim: Obviously you know about the meaning of "lifetime" warranty. All the more reason to make sure the warranty applies to your own life not the life of the tool.

Good luck on your install. Contact me if you need any advice. I have the bruised arms to prove I did the install.

You're right, winter is technically over, spring is coming soon, but you'd never know it by the way the snow keeps falling.

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