# Tri-Power

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**Tri-Power** was the name for an arrangement of three two-barrel [carburetors](/source/Carburetor#Multiple_carburetor_barrels)[1] installed on large performance [V8s](/source/V8) offered by the [Pontiac](/source/Pontiac_(automobile)) Division of [General Motors](/source/General_Motors) in the late 1950s and 1960s.[2]

Three individual [Rochester 2G](/source/Rochester_2G) carburetors were arranged inline on the intake manifold, the center one operating normally and the outer two acting as secondaries, or "dumpers", for full throttle performance. Tri-Power often included a hood bulge to accommodate the carburetor set-up and identifying badging on the vehicle's exterior.

Tri-Power as [original equipment](/source/Original_equipment_manufacturer) on classic Pontiacs often raises their value today.[*[citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citation_needed)*] Tri-Power was offered by GM's [Oldsmobile](/source/Oldsmobile) and [Chevrolet](/source/Chevrolet) divisions, with near-identical options for [Chrysler](/source/Chrysler) and [Ford](/source/Ford_Motor_Company), all popularly referred to as "tri-power" and related variations of the original General Motors/Pontiac term.

## References

1. **[^](#cite_ref-1)** ["1965 PONTIAC GTO"](https://showroom.barrett-jackson.com/Home/Details/1965-PONTIAC-GTO_107268). *Barrett-Jackson.com*.[*[dead link](https://en.wikipedia.org/wiki/Wikipedia:Link_rot)*]

1. **[^](#cite_ref-2)** Petrány, Máté (12 December 2018). ["Watch a Pontiac GTO Tri-Power V8 Get Rebuilt In Ten Minutes"](https://www.roadandtrack.com/car-culture/buying-maintenance/a25560303/pontiac-gto-tri-power-v8-video-rebuild/). *Road & Track*. Retrieved 2025-07-13.

## External links

- ["The Pontiac Tri-Power Story"](https://macsmotorcitygarage.com/the-pontiac-tri-power-story/). *Mac's Motor City Garage*. 5 April 2016. Retrieved 2025-07-13.

- ["The MEL Engine Tripower Heaven"](http://www.ford-mel-engine.com/viewforum.php?f=104). *ford-mel-engine.com*. Retrieved 2025-07-13.[*[self-published source?](https://en.wikipedia.org/wiki/Wikipedia:Verifiability#Self-published_sources)*]

- Norwell, Jeff (16 April 2008). ["Early Hemi Fans! Chrysler Tri-Power!!"](https://www.jalopyjournal.com/forum/threads/early-hemi-fans-chrysler-tri-power.258342/). *jalopyjournal.com*. Retrieved 2025-07-13.[*[self-published source?](https://en.wikipedia.org/wiki/Wikipedia:Verifiability#Self-published_sources)*]

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