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Originally Posted by FC4
Quote:
Originally Posted by BMWrules7
Hello, can you briefly explain what you mean by "turbo limited on the stock car?" Thank you.
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These cars won't put down far north of 400 RWHP due to the limitations of the factory turbo. With all the bolt-ons, the turbo is a bit beyond its efficiency range at safe ignition/knock levels on race-gas. Putting 120 RWHP on top of a full bolt-on car at peak, and more importantly 140+ RWHP more at redline is quite significant. This is an internally-gated stock-frame setup using all OEM connections with a log-style manifold providing stock-like driveability. In the world of turbo upgrades, that's as mild as it gets (regardless of its "Stage 2" designation). The fact that gains are so significant with such a mild setup should tell you something... |
Does it tell us that the engine design was not optimal to begin with? Btw, thanks for your excellent explanation.