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Pretty much anything that works for a 3400 will work on the 3100. Just keep in mind there are a few small, but easy to overcome differences depending on what you want to do.
3500 heads won't clear the bore on the 3100, but you can use the 3500 plenum, if you use a 3400 lower, or 2000+ 3100 lower. On mine I have a 97 3400 lower, and 05 3500 upper.
sigpicNew 2010 project (click image)
1994 3100 BERETTA. 200,000+ miles 16.0 1/4 mile when stock. Now ???
Original L82 Longblock with LA1, LX9, LX5 parts
Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.
3500 heads won't clear the bore on the 3100, but you can use the 3500 plenum, if you use a 3400 lower, or 2000+ 3100 lower. On mine I have a 97 3400 lower, and 05 3500 upper.
Right it was the bore thing. I just posted that because someone put the link to the full 3500 top swap on here, and it should be clear that it won't work without overboring the 3100. Otherwise what you said will work.
Dual Outlet Exhaust with Resonator Delete, Front STB, Rear STB, GMPP Trailing Arms
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