[Charles Martel]

I've always wondered why they didn't put the turbo charger AFTER the catylitic converter. Isn't there alot of heat energy going right out the exaust pipe that is generated by the catylitic converter?

Plug the turbochargers into the exhaust too far "downstream" and you get monstrous turbo lag. Also, not much heat energy is not actually *produced* by the catalytic converters - they sort of bottle-up exhaust heat (some of which is required for the catalyst to function).

[mamelukesabre]

Plug the turbochargers into the exhaust too far "downstream" and you get monstrous turbo lag. Also, not much heat energy is not actually *produced* by the catalytic converters - they sort of bottle-up exhaust heat (some of which is required for the catalyst to function).

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Turbo lag is a concern only for VARIABLE SPEED MOTORS. Cars arn't the only things that have engines.