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Turblown Engineering has developed this 550 to 650rwhp turbo system package for your 93-2002 FD3S Rx7. This setup has been developed from over 18 years experience with turbocharged rotaries. These turbo systems are not only dyno tested, but have years of track testing behind them.
First and foremost one has to choose whether you want an IWG( internal wastegate) or EWG( external wastegate) turbo system. The iwg system is much quieter as the waste-gate discharges into the downpipe, where as the external wastegate is very loud once full boost pressure is reached. The IWG system is much more reliable in terms of component maintenance, and simpler to install. The IWG also has the best transient response, and the lowest boost threshold. The EWG is better at controlling lower boost pressures, makes more peak RPM power, and ultimately more power in general( bigger turbo selection available with SXE turbos). If you still need more help choosing between IWG & EWG; read more here.
For this particular 600HP package the EFR 9280 IWG is the best choice for those who don't mind NOT be able to run low boost pressures( Generally no less than 17 psi with off road full 3.5" exhaust). If one needs to run lower boost pressures at times its best to select EWG system.
500rwhp @ 18 psi on pump gas with meth injection or E85 3.5" exhaust
550rwhp @ 22 psi on E85 or aux injection with full 3.5" exhaust
600rwhp @ 25+ psi on E85 Bridgeport, 4" exhaust
640rwhp @ 29 psi on E85 with 4" exhaust ( max power level)
Read more about the IWG turbo systems in this blog post here.
The EWG version of the cast EFR 9180/9280 turbo system makes about 15-25 more RWHP per psi( above 18 psi) than the above IWG, with about 350rpms later spool time. Peak power will make 100 more rwhp @ 34psi range ( 740rwhp range)
The EWG SXE 9180 ( S366SXE ) does the same as the EWG EFR 9180, but with an added 600rpms of lag. Keep in mind the SXE does not have a built in bov or boost control solenoid as the above EFR models( both IWG & EWG)
