Formula Atlantic powered AE86
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10-18-2004, 07:25 PM
Post: #7
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Purpose built formula race motors do tend to have a narrow power band and are tuned for lightweight cars. True.
I'm pretty sure though that the owner of this car has that pretty much covered. If the lump was useless in, what, 800-900 kg of car it probably wouldn't sit there at all. It's all about torque really, and were you can find it. Racy motorcyle engines rarely sport a capacity exceeding 1.000 cc. Why? Even a lightweight bike would benefit from an increase in capacity Well in that case the size of the vehicle determines how big a motor You can design without sacrificing overall balance. Smart packaging is the name of the game and since a bike does weigh less it's OK to keep capacity down and make power with hig revs instead. A 1000 cc capacity makes for a fairly small sized motor but no matter what they simply can't produce enough torque to thrust half a ton forward no matter how high it revs. Not as naturally aspirated anyway. This Formula Atlantic engine is what, twice that size? Should count for something. Sure. Power is probably to be found in the higher rpm band, but I do believe that this engine very well could produce just enough torque within a fairly usable revband to keep 900 kg moving. This motor could very well have been fitted with custom cams and what not to adapt the powerband a bit for it's new and heavier environment. This we don't know. Then again. I don't have the slightest clue to the specs of a Formula Atlantic engine. The car could have been built for show purpouses only. But in my book only a true fool would transplant an engine that actually made the car slower, or less competetive, just because it's rare and good looking. |
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Messages In This Thread |
Formula Atlantic powered AE86 - ZaX - 10-18-2004, 04:47 PM
[] - Johan - 10-18-2004 07:25 PM
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