Well its the final piece that I need to finish up so I am debating what would be better the standard T3/T4 57trim or T04E with 46 trim T04E compressor in a .60 A/R compressor housing, Air/Oil cooled center, with 76 trim TA34 (Stage 3) turbine wheel in a .48 A/R Tangential T3 Turbine hsg (w/ 4 bolt outlet flange). I am looking for 375-450whp and a decent power band with my topmount. I have a D16Z6 Fully built including the head and a topmount manifold

 

the t04E 46 trim will not satisfy your power goals esp witht he .48 AR housing


you'd be better off with the 57 trim t3t4

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