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Re: whats the difference?
ok first of all the motor in the RS/GS (420a) is completely different than the ones on the GST/GSX(4g63). so the psi is not the same ,the RS/GS dose not have a turbo. the GST/GSX dose have a turbo ,because of this turbo the motor was built to withstand more horsepower and PSI. from the factory the GSX/GST comes with 13-14 psi.
The motor can also handle about 400hp on stock internals. so this person that runs 16psi, probally just bought a boost controoler and got a new BOV then hit the track and didnt have to worry bout a thing.
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1998 Eagle Talon TSi AWD
6 Bolt Swap \ DSMLink V2.5 \ ACT 2100 clutch \ PTE SCM 61 \ Forge MBC@28psi \ VPE O2 Housing \ MR Downpipe \ Thermal R&D Cat-Back \ Tial 38mm WG dumping off O2 \ FMIC w\ in short route \ AFPR setup/walbro 255hp \ PTE 880cc injectors \ Crower Ti retianers \ Crower Springs \ Crower 64414 (stage 3 race) cams \ Ferrea valves \ 3.5 bar MAP \ PLX M-300 Wideband
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