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KYB struts on the 88 Formula by Fierokid87
Started on: 05-19-2003 09:06 PM
Replies: 6
Last post by: Fierokid87 on 05-20-2003 05:20 PM
Fierokid87
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Report this Post05-19-2003 09:06 PM Click Here to See the Profile for Fierokid87Click Here to Email Fierokid87Send a Private Message to Fierokid87Direct Link to This Post

Im gonna be getting KYB struts for the rear. Are there any modifications I need to do or are they basically plug and play with the exception of an allignment?

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2.9L V-6: 2030 Compucam, Darrel Morse Fuel Presure Regulator, 9.5:1 comp, zeroed out ballanced crank, contecting rods matched, MSD 6A ignition box and Blaster GM style coil, Darrel Morse Bored out TB and intake, 19# Mustang Injectors, Removed TB coolant lines, Darrel Morse Dogbone strut, and more to come

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mrfiero
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Report this Post05-19-2003 09:14 PM Click Here to See the Profile for mrfieroClick Here to Email mrfieroSend a Private Message to mrfieroDirect Link to This Post

Most, but not all, '88s need some modifications to fit KYB's. I know I had fitment issues on one or two '88s, but not on several others.....not sure why. Anyways, do a search.....I know Paul Herder did a write up some time ago explaining the procedure. It's nothing difficult at all, so go ahead and buy the KYB's......they're the best bang for your buck strut out there.


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Fierokid87
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Report this Post05-19-2003 10:57 PM Click Here to See the Profile for Fierokid87Click Here to Email Fierokid87Send a Private Message to Fierokid87Direct Link to This Post

thanks Ill do that.

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Fierokid's baby:
R.I.P.V-6 Swap 1987 Blue Fiero
sport coupe

White 1988 Fiero Formula
AIM: Fierokid87
Rate Me Please

2.9L V-6: 2030 Compucam, Darrel Morse Fuel Presure Regulator, 9.5:1 comp, zeroed out ballanced crank, contecting rods matched, MSD 6A ignition box and Blaster GM style coil, Darrel Morse Bored out TB and intake, 19# Mustang Injectors, Removed TB coolant lines, Darrel Morse Dogbone strut, and more to come

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turbotoad
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Report this Post05-19-2003 11:18 PM Click Here to See the Profile for turbotoadSend a Private Message to turbotoadDirect Link to This Post

I installed KYB's on my 88 GT last month. There were a few issues that I had with them.

I had read somewhere about a clearance issue with the knuckle. There is a small "ridge" or "bump" on the back side of the casting where the knuckle fits into the strut- clevis. This "ridge" needs to be ground down a bit (few millimeters)according to what I read. I believe there is a problem getting the proper camber settings without removing some of the material. However, I can't say if this is actually a problem because I ground mine down just to be sure and the issue appears to be hit and miss. Some cars have a problem while other don't. It's probably a casting tollerance issue with the knuckles.

Another issue/problem that I had was that I did not pay close enough attention to the alignment of the top-mount relative to the strut-clevis before dis-assembling the original struts. Therefore when I assembled the KYB's I did not get the alignment exactly where it used to be. This caused the strut-clevis to not line up perfectly with the knuckle when I went to connect the two. I had to wrestle and force the joint together and then had a hell of a time getting the strut bolts to go through the two attachment holes. This is not a problem with the struts, but a mistake on my behalf.

The last issue I found was that similar to the front KYB shocks, the struts were just a bit longer (about 10mm)than the stock units at full extention. This means that the suspension will have an extra 10mm of rebound. This is probably not enough to cause any handling/performance problems. But I had purchased a $50.00 strut alignment tool (J.C. Whitney) to insure that the camber setting was maintained after removing and then attaching the strut. This extra 10mm threw off the tool enough that it was rendered usless and I had no idea where the camber setting would end up after re-assembling the strut/knuckle joint.

The KYB's in my opinion are a decent buy. The perfomance increase that I experienced was only noticed on large and sharp/quick bumps. In most normal driving conditions the KYB's performed pretty much like the stock units with just the slightest increase in damping stiffness. This means that they have a nice smooth ride for most driving situations and become a little stiffer as the driving becomes more intense.

[This message has been edited by turbotoad (edited 05-19-2003).]

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cccharlie
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Report this Post05-19-2003 11:27 PM Click Here to See the Profile for cccharlieSend a Private Message to cccharlieDirect Link to This Post

I just installed KYB's on my '88 coupe.

I had the same issue aligning the knuckle bolts on one of the struts. I merely used a large C clamp and a piece of wood to get the strut into place. I did not machine anything.

My front end guy did not note any issues aligning the car ( $55 ) and it drives beautifully.

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88 4cyl auto Fiero, AC, sunroof
"And isn't sanity really just a one-trick pony anyway? I mean all you get is one trick, rational thinking, but when you're good and crazy, oooh, oooh, oooh, the sky is the limit!" - The Tick

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blakeinspace
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Report this Post05-20-2003 04:50 PM Click Here to See the Profile for blakeinspaceClick Here to Email blakeinspaceSend a Private Message to blakeinspaceDirect Link to This Post

That's a nice reply and pic by turbotoad. Good job. On my formula, I did not have any fitment issues with KYB. If I did, I wasn't experienced enough at the time to know it

turbo you need to get some SS lines!

hey fierokid87? did your rear struts look as bad as your front shocks?

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Fierokid87
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Report this Post05-20-2003 05:20 PM Click Here to See the Profile for Fierokid87Click Here to Email Fierokid87Send a Private Message to Fierokid87Direct Link to This Post

No the rear struts actually are in one piece. But if the front shocks went then the rears are not far behind

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