Georgia Fiero Club Forum
All Things Fiero => Tech Tips, Tech Questions => Topic started by: Fierofool on September 26, 2013, 10:38:17 am
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I found this on Pennocks and thought it was worth bringing to our forum. Not only is it informative regarding the 2.5, but there is some good information that can be applied to all Fieros of the 84-87 vintage, especially in the area of suspension upgrades. I especially found it interesting about using control arm bushings from the Citation X-11 as they are 3 times stronger than stock Fiero and also exceed polyurethane. Another interesting tidbit is that the S10 and S15 Iron Dukes have stronger webbing in some critical areas of the engine.
http://ironduke7.tripod.com/index.htm
Paul McKibben at www.fierosails.com also has a good section on engine compatability. It's already linked on our website, but I thought I'd bring it here, also.
http://www.fierosails.com/Engine.html
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Not mentioned on the sites is the fact that the 88 (and later) rods have a wider beam, and are therefore stronger than earlier year rods. So if you are rebuilding a duke, and are replacing all of the rods, use 88 rods, even if it is an earlier year engine.
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Can any non-GM engines be used in a Fiero?
For example the 2.0L used in the Subaru BRZ, Toyota ABC(?), or Scion XYZ?
Not planning on doing it, just curious how to find out what will fit.
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There are a number of threads about non-GM engines in Fieros on Pennock's forum (http://www.fiero.nl/cgi-bin/fiero/Ultimate.cgi?action=intro).
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A couple that come to mind is the Volkswagen VR6. BMWGuru swapped one into his wife's Fiero. The Isuzu Trooper 2.8 turbo is also a bolt-in, with engine mounts and transmission bellhousing being the same. The engine puts out somewhere around 250 hp. I guess your main concern would be having room for the turbo setup and managing the engine. I believe there was also a fellow who once did a Mazda rotary swap.