How do I properly measure the diameter of a sway bar?
#1
Staging Lane
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How do I properly measure the diameter of a sway bar?
I have been talking through some plans with New Era via e-mail, and the representative asked me "2.) What size sway bars do you have? I need to know diameter of front and rear."
I brought a tape measure out this afternoon and realized I am unsure how to properly measure the sway bars...do I measure from stabilizer clamp to clamp, run a measuring tape along the bent bar, or something totally different?
If anyone happens to know stock measurements of front/rear sway bar it's a 1998 SS.
I also attached a pic of the rear shock, does that look stock?
Thanks!
I brought a tape measure out this afternoon and realized I am unsure how to properly measure the sway bars...do I measure from stabilizer clamp to clamp, run a measuring tape along the bent bar, or something totally different?
If anyone happens to know stock measurements of front/rear sway bar it's a 1998 SS.
I also attached a pic of the rear shock, does that look stock?
Thanks!
#2
Take an adjustable (crescent) wrench and snug it up on the bar, and measure the gap. Shock looks stock and I think the bars are 30mm front and 19mm rear. Search the suspension section all the measurements are there.
sway bar link https://ls1tech.com/forums/suspensio...bar-sizes.html
sway bar link https://ls1tech.com/forums/suspensio...bar-sizes.html
Last edited by Carter Hays; 08-16-2012 at 07:26 PM. Reason: sway size
#6
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The crescent wrench is a good idea, or take a piece of string and wrap it around the bar marking where they overlap. Then take a tape measure and measure the length of string. Then divide that number by 3.14 and you have your diameter. It will most likely be in inches unless you have a metric tape measure. If it's in inches multiply how ever many inches by 25.4 to get mm.
And yes, those are stock decarbon shocks (they suck)
And yes, those are stock decarbon shocks (they suck)
#7
Staging Lane
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I appreciate all the input everyone, I'm going to head to autozone tomorrow and pick up a metric tape measure then knock this out. Metric tape measure doesn't sound like a bad thing to have laying around.
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#8
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I have been talking through some plans with New Era via e-mail, and the representative asked me "2.) What size sway bars do you have? I need to know diameter of front and rear."
I brought a tape measure out this afternoon and realized I am unsure how to properly measure the sway bars...do I measure from stabilizer clamp to clamp, run a measuring tape along the bent bar, or something totally different?
If anyone happens to know stock measurements of front/rear sway bar it's a 1998 SS.
I also attached a pic of the rear shock, does that look stock?
Thanks!
I brought a tape measure out this afternoon and realized I am unsure how to properly measure the sway bars...do I measure from stabilizer clamp to clamp, run a measuring tape along the bent bar, or something totally different?
If anyone happens to know stock measurements of front/rear sway bar it's a 1998 SS.
I also attached a pic of the rear shock, does that look stock?
Thanks!
And yes, those are the stock Decarbon shocks (fine for drag, terrible for anything else).
What exactly are you looking to do with the car?
#9
Staging Lane
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As for the car, one of my life aspirations is really to learn how to drive, and tackle some real tracks. Now, in terms of this car, which is a convertible, A4 with 140k+ miles on it, the goal is to be an occasional weekend auto cross warrior not worrying about being competitive or class standards, but more just to have a fun time and start to learn. The NewEra rep recommended a good set of tires, new bushings, and asked about the size of the sway bars.
From reading the "favorite mod" thread on this forum, I am going to also inquire about welded in sub frame connectors. Beyond that, I'm looking at the standard LT headers, catted-exhaust and a stall convertor. I would like to keep the ride pleasant for the 95% of the time my wife and I are cruising in it, so I'm not sure if shock replacement would be wise? As much as I would love to plan on heads/intake/cam the realization that the engine has 142k miles on it scares me...
#10
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Hah, damn that's impressive. I literally just got home from harbor freight buying a $3 utility caliper and measured the sway bars to be 18-20ish on the back, and 31-32ish in the front which means your 32/19 is perfect lol.
As for the car, one of my life aspirations is really to learn how to drive, and tackle some real tracks. Now, in terms of this car, which is a convertible, A4 with 140k+ miles on it, the goal is to be an occasional weekend auto cross warrior not worrying about being competitive or class standards, but more just to have a fun time and start to learn. The NewEra rep recommended a good set of tires, new bushings, and asked about the size of the sway bars.
From reading the "favorite mod" thread on this forum, I am going to also inquire about welded in sub frame connectors. Beyond that, I'm looking at the standard LT headers, catted-exhaust and a stall convertor. I would like to keep the ride pleasant for the 95% of the time my wife and I are cruising in it, so I'm not sure if shock replacement would be wise? As much as I would love to plan on heads/intake/cam the realization that the engine has 142k miles on it scares me...
As for the car, one of my life aspirations is really to learn how to drive, and tackle some real tracks. Now, in terms of this car, which is a convertible, A4 with 140k+ miles on it, the goal is to be an occasional weekend auto cross warrior not worrying about being competitive or class standards, but more just to have a fun time and start to learn. The NewEra rep recommended a good set of tires, new bushings, and asked about the size of the sway bars.
From reading the "favorite mod" thread on this forum, I am going to also inquire about welded in sub frame connectors. Beyond that, I'm looking at the standard LT headers, catted-exhaust and a stall convertor. I would like to keep the ride pleasant for the 95% of the time my wife and I are cruising in it, so I'm not sure if shock replacement would be wise? As much as I would love to plan on heads/intake/cam the realization that the engine has 142k miles on it scares me...
Bushings-wise stick with stock or 1LE rubber replacements (http://www.stranoparts.com/partdetai...D=18&ModelID=7). Poly will bind and cause a harsh ride and unpredictable handling (and in some cases broken control arms from the bind). Rod end will be best for handling but make noise and may ride harsher at times (although offers full suspension articulation unlike poly).
Your stock swaybars are well balanced, but if you choose to upgrade go with 35mm front, 21 or 22mm rear (no bigger, many companies try to sell 25mm+ bars as handling bars when really they are not). This is a proven very balanced setup.
#11
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Thanks! I'm new to all of this, but the Koni SA recommendation definitely aligns with what I have scoured over on the forums. Would you recommend replacing the stock springs or will that really kill the ride quality (I'm all for a BMW type ride quality)? Assuming you recommend changing the springs as well, should the order be shocks> sub frame connectors> springs? Sadly I doubt I'll be able to afford it all in one foul swoop.
#12
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Thanks! I'm new to all of this, but the Koni SA recommendation definitely aligns with what I have scoured over on the forums. Would you recommend replacing the stock springs or will that really kill the ride quality (I'm all for a BMW type ride quality)? Assuming you recommend changing the springs as well, should the order be shocks> sub frame connectors> springs? Sadly I doubt I'll be able to afford it all in one foul swoop.
Also IMO dont do anything all at once either way. By doing things one at a time you get to see what part changes what about the car and you can adjust/decide what you want to do from there. You may add something you end up not liking, but wont know what part it is if you threw everything on there at once.
#13
TECH Fanatic
On the subject of shocks - for stock ride height I LOVE my Bilstiens. A little firm but NOT harsh. Handles very well and even takes train tracks with stride. Oh, and rest of the car (bushings, springs, bars, etc) has 135k miles on it. NOBODY believes I have that kinda miles until they see the odometer it rides so nice. AND it has worn out Kuhmo ASXs on it.