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. I waiting till next week to do the duel fuel pump upgrade using two walbros. Running single stock pump. Don't want to blow engine running higher boost on the single pump. The boost is not gradual like in the stock turbos. Engine feels lazy below 4500rpm but once boost kicks in it is exponential boost response. Like on/off power. The sound of the exhaust changes because the waste gates open up.
Arizona'a most powerful 600HP 15 second Z More powerful than a stock TT , slower than an NA Dynoed 515 rwhp and 420 ft.lbs @ 16psi 89 degrees. 533 rwhp and 450 ft. lbs @19 psi and slipping clutch and heat soaked motor , 85 degrees.
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