jparker893 Posted November 27, 2015 Share Posted November 27, 2015 Blew my turbo on the way back from SoCal. Rather than buy a replacement turbo, I figured it's time for an upgrade. So I did some research and bought the ISR(formerly know as ISIS) Performance RS3871. I'm planning on doing a top mount set up and haven't seen any info on what will and what won't work fitment wise. Is it their any issues that I need to worry about? I've seen photos of top mount set ups on the interwebs so I am just hoping is super easy and all I have to do is buy the top mount manifold and the supporting mods. BTW: these are the turbo specs Compressor side 3" inlet Exhaust side 0.64 A/R turbine housing, Results: This turbo is rated up to ~380hp. Quote Link to comment Share on other sites More sharing options...
speedtech Posted December 11, 2015 Share Posted December 11, 2015 i have a top mount turbo set up on my sr 260z. the only issue i had was the external wastegate placement against the steering. i had to space up the motor a bit Quote Link to comment Share on other sites More sharing options...
jparker893 Posted December 15, 2015 Author Share Posted December 15, 2015 @speedtech what do you mean by "space up the motor a bit"? Quote Link to comment Share on other sites More sharing options...
Big Ben Posted January 6, 2016 Share Posted January 6, 2016 I have this same Terrorist Turbo on mine as well. Quote Link to comment Share on other sites More sharing options...
BluDestiny Posted January 7, 2016 Share Posted January 7, 2016 He means the motor had to physically be raised due to wastegate interference with the steering column. I ran into the same issue with a sr20 bottom mount setup. The steering column was going directly through where the turbo sits. So I had to go top mount Everything else is being fabbed up, so it'll be a custom fit for me. Quote Link to comment Share on other sites More sharing options...
Nv_s30 Posted February 5, 2016 Share Posted February 5, 2016 I am running a top mount but I am about to switch to a front mount turbo right in front of the steering rack Quote Link to comment Share on other sites More sharing options...
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