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Rear cradle previously modified? by Lowerit
Started on: 11-29-2023 02:51 PM
Replies: 6 (347 views)
Last post by: theogre on 11-30-2023 07:25 PM
Lowerit
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Report this Post11-29-2023 02:51 PM Click Here to See the Profile for LoweritSend a Private Message to LoweritEdit/Delete MessageReply w/QuoteDirect Link to This Post
Long ago (20 years or so) I put a northstar in my 86 GT, eventually it blew up and the car sat in the corner of the shop until recently. I got a replacement cradle as it was easier than modifying the V8 one and in the midst of installing a 3500 V6.

The A-Arms and tie rods are original to the car, the cradle is new (to me) but the tie rods seem too long. Can anyone tell if the mounting bracket's been moved? I didn't see different part numbers for 84-87 tie rods, so I'm at a loss.

Thanks.
J.McCreery

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fieroguru
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Report this Post11-29-2023 08:17 PM Click Here to See the Profile for fieroguruSend a Private Message to fieroguruEdit/Delete MessageReply w/QuoteDirect Link to This Post
Looks like they cut the tab off and flipped it 180 degrees.

https://images.fiero.nl/2011/Bare_Subframe2.JPG
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Raydar
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Report this Post11-29-2023 08:45 PM Click Here to See the Profile for RaydarSend a Private Message to RaydarEdit/Delete MessageReply w/QuoteDirect Link to This Post
Weren't the toe link brackets changed at some point? Seems like I read "after 84", but I could always be wrong.
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PhatMax
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Report this Post11-29-2023 09:51 PM Click Here to See the Profile for PhatMaxSend a Private Message to PhatMaxEdit/Delete MessageReply w/QuoteDirect Link to This Post
Here’s my 85 with the tie rods installed.
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Lowerit
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Report this Post11-30-2023 12:15 PM Click Here to See the Profile for LoweritSend a Private Message to LoweritEdit/Delete MessageReply w/QuoteDirect Link to This Post
Thanks guys, upon closer inspection it has been cut and welded (not sure why). I have to pull it all back out anyway, so no big deal.

Thanks again!

JM
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cvxjet
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Report this Post11-30-2023 03:49 PM Click Here to See the Profile for cvxjetSend a Private Message to cvxjetEdit/Delete MessageReply w/QuoteDirect Link to This Post
The 84-87 rear suspension has one glaring mistake- the tie-rod is way too long; On a strut suspension the length of the tie-rod is determined using a triangle- the top is the top-of-strut, and the two bottom corners are the ends of the lower arm.



Obviously, with the tie-rod being ABOVE the arm, it should be SHORTER than that arm- instead some "engineer" made it longer ("I'll just make it really long so it won't change length during suspension travel" (Yes, but the lower arm does change length during travel, dumb-bun)

A number of people have shortened that tie-rod using various set-ups...there was even a specially designed tie-rod that mounted in the original bracket but had a rigid extension.

[This message has been edited by cvxjet (edited 11-30-2023).]

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theogre
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Report this Post11-30-2023 07:25 PM Click Here to See the Profile for theogreClick Here to visit theogre's HomePageSend a Private Message to theogreEdit/Delete MessageReply w/QuoteDirect Link to This Post
Yes someone mod'ed them...
Why?

Several stories in car rags then Push by others claiming "Fiero has horrible Bump Steer problems."
I say Push because like drug dealers several vendors sold product costing a lot of $ that don't fix "the problem." Others "simple" cut pieces etc to do similar "fixing" to shorten the rods.
See https://web.archive.org/web...ierocave/bumpbum.htm

In rare cases... someone mod'ed the whole car to fit a kit or race appearance package like IMSA clone kits & "needed" wider space between wheel not just wider tires. Moving that bracket give extra space w/ OE tie rods so when a rod wears out etc can easily replace them.

------------------
Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
(Jurassic Park)


The Ogre's Fiero Cave

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