Cobra Bilstein Rear Shock Info - Page 5 - TCCoA Forums

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post #121 of 133 (permalink) Old 11-03-2016, 05:16 PM
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I recently received my rear bilsteins and have a silly question:

Q: the upper shock bushings look a bit different between what I received with the Bilsteins for the 99-04 cobra and what came with my motorcraft rear shocks 6 years ago.
From what I recall from bottom to top the original bushing setup looks like this: shock absorber, metal washer, bushing with the pointy end up, shock tower/car body, other bushing, metal washer, nut.

What came with the cobra bushings is as follows:shock absorber, metal washer, donut shaped bushing, shock tower/car body, donut shaped bushing, metal washer, nut.

Q: Did you guys just reuse the bushings from your old shocks or will the two rubber pieces that came with the cobra bilsteins work just fine? I haven't painted my shocks yet (because cheaty racecar) so I haven't test mounted them.

Obviously, I would use the nut that came with the bilsteins but reusing my current motorcraft rear shock bushings seems out of the question (they look beat to hell).

Online, it looks like ford will sell me these bushings for a whopping $80/ea (nearly as much as I paid for the shock absorber). A more realistic purchase would be to buy a tbird rear shock that comes with the right bushing but that still sucks as that means I would then have two extra soft shocks I'll never use: $27/ea

What my tbird came with (see bushings):


KYB Shocks & Struts Shock/Strut GR2 Twin-Tube Ford Thunderbird Cougar Rear Ea | eBay

What the cobra bilsteins came with (see black bits):

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post #122 of 133 (permalink) Old 11-03-2016, 06:03 PM
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Quote:
Originally Posted by S4gunn View Post
I recently received my rear bilsteins and have a silly question:

Long story shortened.
I used the Bilsteins as they arrived in the picture provided and they appear to be just fine.

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post #123 of 133 (permalink) Old 11-03-2016, 06:18 PM
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Quote:
Originally Posted by MaddMartigan View Post
I used the Bilsteins as they arrived in the picture provided and they appear to be just fine.
Great: one less item to buy.
Just to confirm though: one rubber donut goes above the hole in the chassis and one goes below, right?
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post #124 of 133 (permalink) Old 11-03-2016, 06:28 PM
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Originally Posted by S4gunn View Post
Great: one less item to buy.
Just to confirm though: one rubber donut goes above the hole in the chassis and one goes below, right?
-g
Correct.

"When the only tool you have is a hammer, suddenly everything looks like a nail."
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post #125 of 133 (permalink) Old 11-04-2016, 11:01 AM
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Quote:
Originally Posted by S4gunn View Post
Great: one less item to buy.
Just to confirm though: one rubber donut goes above the hole in the chassis and one goes below, right?
-g
Installs like this, with the nipple up on the lower bushing and down on the upper bushing.
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post #126 of 133 (permalink) Old 11-04-2016, 11:31 AM
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Originally Posted by jco1385 View Post
Installs like this, with the nipple up on the lower bushing and down on the upper bushing.
Make sense - the nipple part takes up room in the chassis opening.

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post #127 of 133 (permalink) Old 11-10-2016, 03:33 AM
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Does any one happen to know the required socket sizes to unbolt and swap in the Billies?
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post #128 of 133 (permalink) Old 11-10-2016, 09:21 PM Thread Starter
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It's in mm. Buy a set of shocks and sockets and figure it out.

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post #129 of 133 (permalink) Old 11-11-2016, 01:53 AM
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Originally Posted by MerkCougar View Post
Does any one happen to know the required socket sizes to unbolt and swap in the Billies?
21mm for the bolt at the bottom of the shock
18mm for the nut at the bottom of the shock
18mm for the nut at the top of the stock shock (at least, the last one I had installed)
17mm for the Bilstein supplied nut for the top of the bilstein shock

I agree that this is kind of a silly question: if you are missing a few #s in your wrench/socket set, just buy them as you never know when you might encounter a bolt/nut that you don't have. I quickly learned this the hard way when I first started working on my tbird with my HF socket set.
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post #130 of 133 (permalink) Old 11-11-2016, 10:20 AM
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Yeah I don't even know the sizes of those by memory, I just look at the shock nut and guess which one from my set fits. That's the beauty of owning sets.

-Matt
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post #131 of 133 (permalink) Old 11-11-2016, 06:24 PM
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Quote:
Originally Posted by XR7-4.6 View Post
Yeah I don't even know the sizes of those by memory, I just look at the shock nut and guess which one from my set fits. That's the beauty of owning sets.
It really pisses off the mech e's I work with that I can look at a bolt and tell what size it is.

And put a nut on a bolt I can't see, with only my fingertips, lol.

I've done this for a bit.

From my incredibly poor upbringing, I can tell you that a set of feeler gauges will extend your wrench/socket/allen sets considerably, if you're creative.

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post #132 of 133 (permalink) Old 11-11-2016, 08:14 PM
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Oh but I wouldn't be so rediculous as to ask just because it sounds like some cool knowledge to know.

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post #133 of 133 (permalink) Old 12-01-2016, 09:34 PM
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Quote:
Originally Posted by ROLLINTHUNDER View Post
It looks like here at Advance Auto we can now order KYB rear shocks for the Cobra's both in heavy duty and gas adjust. $83 for the gas adjust and $53 for the heavy duty. I looked up an 03 Cobra and it brought up the Bilstiens and the KYB options. The Bilstiens were $113 a piece! What are your thoughts on the heavy duty KYB's being as stiff as the Bilstiens being that the computer brought up those options?
I did not find these rear HD KYBs at AA. Can you provide a part number?

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