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Originally Posted by gsxr
How the heck did they retain air conditioning though? There's no room for the giant intercooler, condenser, radiator, and electric fan...!
What I'd like to know is what kind of power gain I can get out of a 603.960 with the STOCK turbo, pump and injectors... just by adding an intercooler and tweaking the full-load fuel delivery, WITHOUT sacrificing fuel economy. I know at least 20% gain is feasible with no major mods, but I don't know how MPG suffers, or how much more gain can be had.
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Hi, you was faster than me in replying.
This is the reason why Super-turbos are made in W201 or W124 chassis and engines with mechanical pump. With proper setup like these guys have made you can get 300% power gain without sacrificing the fuel economy, you do not do racing every day. These cars are also in everyday use, making ~40 000 miles a year. Aircon can be retained as well, however not much space left in W124 front. If these guys are targeting now 500 Hp from 3 litre diesel, aircon is the least of the problems in the project.
Your guess of 20 % is good, increase of engine life by decreasing the cylinder head temperature by intercooling is more essential. Actually this phenomenon is the whole base for Super-turbos.
With later electronic controlled engines you can get + 20-30% boost if the chip is carefully tuned to the car in question, no mass producted chips.