In Reply to: All "compressors" make heat... posted by Karl Seeger on April 05, 1999 at 09:14:57:
Of course, compressing the air does cause it to get hotter.
When I was talking about the heat differences between a super and turbo charger I meant the much greater additional heat a turbo adds to your engine. It adds it by increasing back pressure in your exhaust, by raising your oils temperature through it's bearings, possibly by raising water temp. if it's got a water jacket and also just raising air charge temp more by passing through the hot turbo. Underhood temperatures are much higher too.
"Ever notice how much better your car runs on very cold days vrs hot days?"
Of course, every 11 degrees in intake air temp jump is like loosing a HP.
"Detonation destroys engines."
No arguement there! I've said the same thing many times. Any luck with Garrett yet?
As for which type is more thermally efficient both makers claim theirs is. Until I see comparable tests by both I won't say either way. Ditto for the way a blower compresses the air. Your unit puts out the most power up high but Stuarts has better torque up to the mid-range. You pick the setup with the tradeoffs that match your criteria.
'96 RED w/tan heated leather, OBC, V1, Fogged Airbox , Remus, +3mm Throttle Body, Garrett Chip, BL/SS w/ERK+Titanium Rob Knob, Racing Dynamics Sway bars(and badges), HMS Strut tower brace, SS brake lines W/ATE SuperBlue and Speed Bleeders, Magnetic Stone Guards, CD, McIntosh MC-427, Boston Acoustics ProSeries 6.4, Roadster Tonneau