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3800 Fiero Past Projects

3800 Fiero – Sold

Related articlesPower-Train MountsRelocate The AlternatorDrive AxlesMinimize Bump SteerExhaust FabricationElectrics and WiringFuel Pump This is how I got started doing a 3800 V6 supercharged engine swap into a Pontiac Fiero … May 2008I am now the proud?? owner of a 1985 Pontiac Fiero 2M4, the engine has a broken timing belt so is pretty much done.  […]

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3800 Fiero

3800 Fiero – Fuel Pump

Once the Fiero was fit for road use and I was able to get a few miles on it, I found that it would have a tendency to cut out after 30 minutes driving in hot weather.  It would start again but then need nursing home without letting the revs drop below 2000rpm and accelerating […]

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3800 Fiero

3800 Fiero – Drive Axles

When installing the 3800 SC Series II engine in the Fiero, the drive axles were a major concern of mine throughout the project.  When making the engine mounts I was concerned about how much misalignment they would be able to handle, both horizontally and vertically; then along with the right length, the splines on the […]

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3800 Fiero

3800 Fiero – Minimize Bump Steer

In Robert “Greg” Wagoner’s book “High Performance Fieros” he talks about a simple method for eliminating rear bump steer on Fieros.  Having never driven a Fiero at all before completing this project, I wasn’t sure how bad this bump steer could be but I had read about it several times.  I usually don’t like modifying stuff without testing first but on this […]

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3800 Fiero

3800 Fiero – Electrics and Wiring

This is another time where you will have to decide whether you want to save some time by buying a ready made wiring harness or save some money by making up your own.  I was fortunate that my power-train came with the ECM module and most of the engine bay wiring harness including all the connectors for […]

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3800 Fiero

3800 Fiero – Exhaust Fabrication

The available space for the exhaust on the Fiero is quite limited, most engine swaps end up with some form of modification to the trunk to make some room. On my car, I wanted to do something that I hadn’t seen on any other Fiero, a single exhaust outlet in the middle of the rear […]

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3800 Fiero DIYs Calculators Misc

Significant Project – Considerations

If you’re considering undertaking a significant project like an engine swap on any vehicle at all, you should spend some time considering the level of involvement you want and, perhaps more importantly what your budget will allow. Let’s face it, if your wallet is big enough, you can have an engine installed in your Fiero without […]

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3800 Fiero

3800 Fiero – Power-Train Mounts

July 2008 Now the old power-train is out of the way, we’ll move swiftly on to mounting the new one, a Buick V6 3800 Supercharged Series II L67 engine out of a 1997 Pontiac Grand Prix GTP.While the cradle was readily accessible I had a good look over it and found that it was overall in […]

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3800 Fiero

3800 Fiero – Relocate The Alternator

Unless you managed to mount your engine extremely low on the cradle, you are likely to find that the alternator on the top of the Buick V6 3800 engine fouls the stock Fiero trunk lid preventing it from closing.  Some people modify the trunk lid, there is a spar on the underside of the lid […]