TwinTurbo.NET: Nissan 300ZX forum - Also worth noting
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Subject Also worth noting
     
Posted by FuerGrissa on January 17, 2011 at 6:24 AM
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In Reply To Comparing EFR6758 to GT3071 compressor maps. posted by FuerGrissa on January 17, 2011 at 05:09 AM
     
Message I know it's apples and oranges, but the 3071 KIT from SZ costs $3600 while two 6758's can be had for $3100

The difference is that the SZ-90 kit comes with inlet piping, a modified D-side outlet pipe, all the oil and water fittings hoses and seals, and couplers. Basically everything you need to make it a bolt on affair, and it's guaranteed to fit.

the 6758's come with none of that, but they do have integrated bypass valves and boost control solenoids which could save a decent amount of coin if you don't already have that stuff. It's also unknown if the 6758 will even fit as it is 82mm longer than the 3071 from the intake flange to the exhaust flange and most of that is on the exhaust side so it seems unlikely that it would bolt up to stock style mani's without clearancing the firewall to fit your downpipes (which would also have to be custom).

     
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