Can 97 STS callipers and rotors be used on a Fiero? Also wondering if the instruments can be swapped over? I intend to use a Northstar in a conversion and would like to know how many parts I can use from my 97. Any input would be greatly appreciated. Most of my running gear is new and think this would be great to convert if possible without too much trouble. Speedo and tach would be great. What do we know about these swaps? Thanks DD

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Diamond Dave
The real DD not the rocker dude
84 Enterra Vipre (The only One)
88 Formula 2.8

[This message has been edited by Diamond Dave (edited 03-24-2014).]

Bolt pattern is 115mm.

DOn't toss out the idea based on the bolt pattern alone. Have a look at the calipers, the mounting arrangement, the rotor thickness, the offset, etc. They won't bolt up, but could be made to work with some enjuneerin'

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1986 SE Aero coupe.

3.4 DOHC swap is complete and running, now just have to finish the rest of the car...

I used 95 Seville calipers on my rear ebrake conversion and used Grand Am rotors. It required a conversion bracket for the caliper to mate up to the hub flange

I haven't seen any concern over the strength of the hubs or bearings though.

Arn

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Thanks for your time and feed back. Anyone else have experience with this topic?

The depths of the rotors (front & rear) will fit the front/rear of an 84-87, but the issue will be the brake bias with the STS calipers. The front caliper is 63.5mm and the rear is 38mm. Stock Fiero is 48mm front and rear, so the STS calipers will have a significant increase in front braking while also having a significant decrease in rear braking.

wow fieroguru that blows my mind that the swept area was so little on the STS. With 11.9" rotors and that heavy a car you would think it would be greater in the rear. I am stuck with the 84 because of body parts being glued down so I want to uprade the suspension and brakes. Would I gain anything with using the 88 Formula cradle?