This unique Fiat-ferrari, christened “Tarantulo” in homage to the larger, more robust arachnid, represents a collective effort of the family, adding an extra layer of coolness. It seems like the family that swaps Ferrari V8 engines together, stays united, doesn’t it? Or at least, that’s the idea.
Standard versions of the Ferrari-Maserati F136 engine produced between 385 and 597 horsepower. In his introductory video, Fargas-Diaz aims for approximately 500 hp from the engine powering his 124 Sport Spider. While this might seem like a modest output considering the engine’s maximum potential, it marks a significant enhancement compared to the 82 to 116 hp range typically found in standard 124 Sport Spiders, varying by model year.
At one point, the Fiat received a different 2.3-liter turbo engine from 1986. However, after nearly two decades of service, that engine had become worn out and it was evident that a significant change was necessary.
When it comes to fitting the F136 engine into the Fiat, the term “make it fit” barely scratches the surface—this process involves an array of cutting and fabrication tasks, including reinforcing the chassis and other components to accommodate the approximately 500 horsepower output. Additionally, there is ato obtain the upper section of the engine independently. The radiator is stored in the trunk. A T-56 six-speed manual gearbox will be installed eventually to manage the increased power, along with relocating the central console to make space for the new engine and transmission setup.
The transition to throttle-by-wire is logical, considering the significantly updated engine now occupying much more area in the engine compartment. In terms of engine control, Fargas-Diaz mentioned that the vehicle currently operates with an Arduino system, but will switch to a MicroSquirt 3 in the future.
External enhancements include newer headlights and taillights, fender flares with a wider stance, a customized badge, and trunk vents, all aimed at keeping a low profile unless the engine necessitates protruding from the existing hood (which is a possibility), ensuring this spider-inspired vehicle remains inconspicuous.
One notable classic feature beneath the hood will be the presence of individual throttle bodies! To avoid a standard intake setup, Fargas-Diaz opted for adapting a BMW M3 V8 intake combined with carbon composite velocity stacks.
Stay updated on the progress of this build here on Fargas-Diaz’s YouTube channel, here on Instagram, or through his posts in the Build Threads Communal Garage Facebook group here. This project is one I am eagerly anticipating seeing in action.
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