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I've been curios about turbos and recently visited the CP website.  It appears to me that they package the turbo below the engine tin.  That doesn't mean that it isn't running hotter inside, just that the turbo is not in the engine compartment.
 
 
Originally Posted by Ron O, 1984/2010 IM, B.C. Canada:

Putting a turbo, which generates a lot of heat, in a (basically) sealed air cooled engine compartment is nuts.

 

I don't think it's nuts to have an a/c engine with turbo in a VW/Porsche, but there are heat issues that must be managed.  After all, Porsche produced the a/c twin turbo 993 from 95-97, producing about 400 HP.  Additional engine air is a must.  Porsche designed side vents and fender cooling.  We now have technologies that weren't used much in 95 or thereabouts, being ceramic coatings and turbo blankets that help keep engine heat n the exhaust system, and not the engine compartment.  Challenges like the above keep lots of us car nuts interested in new approaches to old problems.

I didn't say it was nuts to put a turbo on an air cooled engine.  I said it was nuts to put it in a sealed engine compartment that relied on the air around the engine for cooling.  As tom mentioned, CB's turbo kit mounts the turbo below the engine tin to keep the turbo heat out of the engine compartment.

When I ordered my CB fuel injection kit I discussed the turbo kit with Pat Downs.  When he found out my car would be mainly used for highway driving and longer trips he recommended I not go with the turbo.

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