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Message: [QUOTE="farm boy, post: 305288, member: 291"] Thanks for all the great testing info. Whats hard to understand, is the fact that these 2 runs had the same max boost psi, only 2 ebp psi difference, and the same max egt's, but yet a 24hp loss. I would love to hear everyone's theory on why the loss of Hp & Tq. Thanks again for all the time put into this. Dyno Run - 04/17/2012 - GTP38R, 1.0 W/G housing, Stock compressor wheel (All values rated at 3500 RPM) Max Boost - [COLOR="Red"]34 PSI[/COLOR] Max EBP - [COLOR="Red"]47 PSI[/COLOR] Max EGT - [COLOR="Red"]1300[/COLOR] Peak HP - 566 @ 2613 RPM Peak TQ - 1189 @ 2512 RPM Dyno Run - 04/17/2012 - GTP38R, 1.15 Non-W/G housing, Stock compressor wheel (All values rated at 3500 RPM) Max Boost - [COLOR="Red"]34 PSI[/COLOR] Max EBP - [COLOR="Red"]45 PSI[/COLOR] Max EGT - [COLOR="Red"]1300[/COLOR] Peak HP - 542 @ 2620 RPM Peak TQ - 1141 @ 2433 RPM Net HP Loss - 24 HP Net TQ Loss - 48 Ft./Lbs. [/QUOTE]

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