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I am a fan of forced induction...just not really on these cars. It certainly can be done but I think the cost/risk outweighs the benefit. The only SC car I know that is still running is forum member pk2. It is a TPC on a 2.5l motor. I have not talked to pk for a while but if I recall he had to get pretty creative regarding installation and tuning. Last I heard he was not satisfied with his DME tune and was running/mixing 100 octane racing fuel to avoid detonation. This may have been solved by now.

An ideal FI platform would be a stout engine block with forged 8/1 pistons, billet crank and rods, a nice big fat intercooler, plenty of room for all the necessary plumbing, and a race developed ECU that allows easy trackside tuning for Ign timing, A/F ratio, boost etc. The Boxster has none of the above. To get the car to this level might cost $30K+. Penske or Farnbacher have those kind of funds to play with but I don't. I would rather just buy a nice GT3 and go racing.