fieroguru - Rear Coilover Kits now Available (Page 1/4)
fieroguru MAR 25, 04:45 PM
I have expanded my Fieroguru Performance LLC suspension product line to now include rear coilover kits offered in 4 levels.


LEVEL 1 - Coilover Strut Hat Kit - $150 Shipped in the US - $25 shipping surcharge to Canada.

  • 2 new strut hat bushing plates with stainless studs and spring centering sleeves
  • 2 new bump stops
  • All nuts for the strut plate and strut shaft as well as the concave washers are stainless steel


LEVEL 2 - Base Coilover Hardware Kit - $275 Shipped in the US - $25 shipping surcharge to Canada.

  • 2 new strut hat bushing plates with stainless studs and spring centering sleeves.
  • 2 new coilover sleeves with adjuster rings and 1 spanner wrench - ID will fit the larger bodied Koni struts, so no need to replace if you upgrade later.
  • 2 new bump stops
  • All nuts for the strut plate and strut shaft as well as the concave washers are stainless steel


LEVEL 3 - Coilover Kit with Springs - $425 Shipped in the US - $45 shipping surcharge to Canada.
  • Everything in the LEVEL 2 - Base Coilover Hardware Kits
  • New springs in your desired length and spring rate


LEVEL 4 - Fully Assembled, Ready to Install Coilover & Strut Kits
  • Everything in LEVEL 3
  • With KYB Struts - $750 Shipped in the US - $75 shipping surcharge to Canada


Options:
  • Sleeve Color: Black and Silver are the stocked colors, but Red and Blue are available at no additional charge.
  • Sleeve Placement: On top of spring perch weld bead, or on top of knuckle mounting tabs at the base of the strut.
  • Springs: Black and Silver are the available colors, spring lengths can be 10" or 12", spring rates can be between 250 lb/in to 450 lb/in at no additional charge.
  • Strut Hat Orientation: Fastbacks and 88 Fieros have the option of flipping the strut hat bushing plate - no charge. Other applications this modification will interfere with the decklid.
  • Strut Hat Spring Centering Sleeves - Inside is used for the stock strut hat configuration and machined aluminum spring locator used for the flipped strut hat.


Stainless steel studs, nuts & washers:


Stock strut hat orientation (bushing below the strut tower) and the inner centering sleeve:


Flipped strut hat with machined aluminum centering sleeve:


The stock setup is on the left, the flipped setup with the machined aluminum centering ring is on the right:


Inventory:
I keep several sets of the strut hat bushing plates, sleeves and bump stops in stock, but I don't weld on the studs, center rings or purchase the springs or struts until an order has been placed.

Payment:
Payment in full is due at time of order. Paypal is the preferred payment method. Once we define all the options and selections for purchase, I will send a paypal request for payment with the details specified.

Shipment:
Coilover kits will ship in 5-7 days from payment, custom selections of parts and colors could add a couple more days, but you will know this prior to payment. All packages ship with tracking provided.

DIY Spring Perch Removal:
Disclaimer - struts are a pressurized tubes and extreme care should be taken to ensure you don't cut through the tube or get the tune too hot. Failure to do so could result in personal injury. If you are not confident in your skills to remove the spring perch, buy the ready to install level of the the kit.

Scribe just above the weld bead all away around the strut. The spring perch material is about .10" thick, so this scribe should be about 1/16" deep (.063") to ensure you do not cut into the strut body.


Pie cut the spring perch into 4 sections making sure the cut intersects the previous scribed cut.


Use a hammer, large crescent wrench or large pliers to knock/bend the sections of the spring perch down. You should see the spring perch separate at the scribe cut, if it is not separating, cut the scribe a little deeper and try again to remove the section.


Here are the removed sections of the spring perch:


Use a flapper disk on the hand held grinder to smooth the remaining portion of the weld. Go slow and switch back and forth between the two struts to ensure you don't overheat them. If the strut has a sticker like the one shown if the sticker gets hot enough to peel back, you need to slow down. Your goal is to remove the weld w/o impacting the adhesion of the sticker.


Weld bead removed (make sure to paint this area before installing the sleeve):


Use some electrical tape and wrap the strut body as needed to make the sleeve fit snugly.


Install the sleeve, spring and then install the upper components. For the stock layout with the strut had bushing boss positioned below the strut tower, the parts should look like this:


For the strut hat bushing boss in the flipped orientation, the parts will look like this:

[This message has been edited by fieroguru (edited 01-07-2022).]

Tom Slick MAR 26, 09:34 PM
I want this!!!
fieroguru MAR 27, 09:25 AM

quote
Originally posted by Tom Slick:

I want this!!!



PM sent.
Corpsmen Ed APR 01, 08:40 PM
I want a KYB set. Not sure how to determine spring length or rate. Any help on this?
cvxjet APR 06, 12:42 AM
Hey, are you by chance doing the offset hats for an 85-87 Fiero that has been converted to an 88 rear subframe/suspension? ('Cause that's what I have but I am converting to Konis (And already have the shocks).........

If not, but you are open to it, I believe I can do up a pattern and send it to you....The main problem I am running into is that the Koni strut top will not fit into the spring....tube(?) at the top and so I need to have the centering tube be outside the spring(Rather than inside the spring) so I can have full travel.......

[This message has been edited by cvxjet (edited 04-06-2018).]

fieroguru APR 06, 08:36 AM

quote
Originally posted by cvxjet:

Hey, are you by chance doing the offset hats for an 85-87 Fiero that has been converted to an 88 rear subframe/suspension? ('Cause that's what I have but I am converting to Konis (And already have the shocks).........

If not, but you are open to it, I believe I can do up a pattern and send it to you....The main problem I am running into is that the Koni strut top will not fit into the spring....tube(?) at the top and so I need to have the centering tube be outside the spring(Rather than inside the spring) so I can have full travel.......




Right now, all I am doing is offering bolt-in coilovers and the kits for them. I haven't ventured into the custom strut hats for a cross year swap (installing an 88 cradle into an 84-87 chassis).

When converting Konis to coilovers, you have to turn down (or grind down the cap) for the sleeves to pass over which should make then just every so slightly larger than your previous struts.


If the top of the strut body still interferes with the inner spring locator sleeve, then you can cut that portion off and use some of these aluminum spring centering caps. The ID of the spring centering lip is 2.12" and will clear all Fiero based strut bodies. I use these when customers ask for the strut hat to be flipped (when the hat isn't flipped, I use and internal sleeve the same length has the bushing housing).

qwikgta APR 09, 11:33 AM
remind me again what "flipping the top hat" does? I remember it has something to do with lowering the ride height, but if its on a coilover doesn't the height get adjusted by the spring height.

Also, will you paint the strut before putting it all together? I like the red strut, silver spring combo in your pic, but i'm guessing that's a Koni, since they come in red. Will KYB get painted in red too?

Thanks.

Rob
Spadesluck APR 09, 11:40 AM
It gives you back some travel for the strut I beleive. Even with the car lowered flipping the hat gives the strut some more travel.
fieroguru APR 09, 09:45 PM

quote
Originally posted by qwikgta:

remind me again what "flipping the top hat" does? I remember it has something to do with lowering the ride height, but if its on a coilover doesn't the height get adjusted by the spring height.

Also, will you paint the strut before putting it all together? I like the red strut, silver spring combo in your pic, but i'm guessing that's a Koni, since they come in red. Will KYB get painted in red too?

Thanks.

Rob




The flipped hat does nothing to ride height, but it does allow the wheel to travel about 1" higher in the wheel well before the strut bottoms out. This effectively give you 1" more suspension travel in compression when you lower a Fiero.


Please note this puts the top of the strut 1" higher into the engine bay. On 84-87 coupes this modification requires notching the decklid. All fastbacks the strut is under the vent, and on the 88s the strut it right at the edge. Konis may also cause some issues as the strut shaft and the adjuster stub stick up even higher.

I really don't want to get into painting struts (besides the areas where the spring perch is removed). KYBs are black, Konis are red/orange. I am sure there are lower cost red struts out there, but I haven't (and probably won't) take the time to find them. If you want a red KYB strut, paint them after you get them.
fieroguru APR 17, 12:10 AM
Bump!