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400HP is quite realistic....but close to a limit.. (archive)

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Posted by Patrick Buthmann on December 21, 1999 at 11:19:03:

In Reply to: Calm and misunderstood? posted by Luc on December 21, 1999 at 07:38:00:

: 400HP is a joke. Would you have taken this serious if he would have said this car will run 200 miles per hour? NO.

Actually, 400 HP out of a twin turbo car isn't hard to reach at all. In fact, 500 HP is reachable, providing enough care is spent on the engine. 400 HP is quite reachable with primarily factory parts, with the exception of exhaust and engine management software.

The Japanese are the masters at this; an example would be the Mitsu 3000 GT VR4 and Toyota Supra Turbo. Both are twin turbo'd cars, and both displace 3.0 L. The 3000GT maxes out around 420-430 HP without bigger injectors, changed fuel map's, bigger fuel pump etc. But it's easily done, with a 3 inch exhaust, a boost controller and the factory turbo's. Factory PSI is set to 9, the turbo's are good to about 14.5.

The Toyota is even better, as I've encountered several Supra Turbo's with in excess of 500 HP from the 3.0L block, and they are all daily drivers. Heck, most of us street the cars to the drag strip every weekend (though if something blows, it's a tow-truck trip back!).

400 HP is not only NOT a joke, it's a relatively low-budget modification as well. Getting much above that, costs big dollars though.

Pat




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