Quantitative
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See also: General Notes - Boost Controller Installation - Potential Risks In order to yield some quantitative measures of the boost controller's effect, I have run a number of tests in the S4 with a GTechPro, yielding the following data: Note: A) All of launches of my car were at 3000-3500 rpm, near sea level, temperatures c. 40-45 F. What improvements/losses would occur with a different technique/different environment are speculative. B) I don't want to get into a bragging match, so if you disbelieve the data, that's your prerogative. All of the post-EVC measurements were taken with a second driver either at the wheel or in the car with me. 0-60: S4 (Stock): 6.2 sec *** Notes: 1) prior to the EVC, my best 0-60s for this car with a TAP chip, WG spring, K&N and exhaust were about 5.6 sec. 2) by comparison, in European Car (March 1998), a 360 HP Hoppen S6 claimed 0-60 in 4.9 sec. 1/4 Mile: S4 (Stock): 14.9 @ 94 *** Note: 1) previous best runs with my car (pre-EVC) resulted in times in the high 14s or low 15s (blame poor technique on my part) and trap speeds of c. 99 mph. Power: Stock: 227 HP @ engine *** Notes: 1) Later, I will test what HP figures I get if I dial back the boost incrementally 2) If there's any interest, I may videotape the GTechPro and tach simultaneously, to get a pseudo power curve. |
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