Gaz084 Member 50 Member For: 10y 2m Posted 09/12/23 10:34 PM Share Posted 09/12/23 10:34 PM Hi Guys. I have just purchased one of these with a 45mm turbosmart hypergate. PULSAR External Wastegate Ford Falcon FG/FGX XR6 5-Bolt Turbine housin – Pulsar Turbos Australia The wastegate is set from factory with 14psi of spring pressure...currently the car is tuned to 12psi,can I set the wastegate to 7psi by removing the inner spring and still drive around while trying to keep it of boost until I get a tune done or should I just wait until im ready for the tune? Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,840 Member For: 16y 5m 27d Gender: Male Location: Melbourne Posted 09/12/23 10:40 PM Share Posted 09/12/23 10:40 PM Yes, you can. Spring pressure is minimum boost pressure So removing a spring to make it 7psi, will suit your current tune. The only concern may be that your tune is using the stock/OEM wastegate, so you might have issues with overboost, so best to not hammer it on the way to the tuner. Link to comment Share on other sites More sharing options...
Gaz084 Member 50 Member For: 10y 2m Posted 09/12/23 10:53 PM Author Share Posted 09/12/23 10:53 PM Ahh I didnt know that I was under the assumption that the spring pressure was maximum boost pressure. I had This current engine rebuilt from an overboost ,so I am a little nervous it will happen again....would it be worth while getting an over boost valve or am I just being paranoid. Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,840 Member For: 16y 5m 27d Gender: Male Location: Melbourne Posted 09/12/23 11:26 PM Share Posted 09/12/23 11:26 PM as long as the tune is good and you keep on top of it mechanically and sympathetically (e.g. you don't let plumbing issues cause overboost and/or keep your right foot ready to release when you see boost spiking) then there's less risk of grenading an engine... although with any "increase of power" modifications, means there's more risk of engine damage... as the saying goes, "you play, you pay". Link to comment Share on other sites More sharing options...
Gaz084 Member 50 Member For: 10y 2m Posted 10/12/23 01:37 AM Author Share Posted 10/12/23 01:37 AM Thanks Kieth Link to comment Share on other sites More sharing options...
Gaz084 Member 50 Member For: 10y 2m Posted 14/12/23 03:08 AM Author Share Posted 14/12/23 03:08 AM Pulled the turbo out today for the new external gate housing.Took a picture of the exhaust wheel....is the damage to the fins normal? Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 15,719 Member For: 9y 8m 7d Gender: Male Location: South Australia Posted 14/12/23 03:45 AM Share Posted 14/12/23 03:45 AM No it ain't normal but it won't really matter. You can file it a little bit if you want or just run it as is. As long as it isn't touching the turbine housing it'll be fine. Link to comment Share on other sites More sharing options...
Gaz084 Member 50 Member For: 10y 2m Posted 14/12/23 04:29 AM Author Share Posted 14/12/23 04:29 AM Ok,thanks Puff. Another question will a pulsar gen2 3582 spool as quick as the standard turbo? Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 15,719 Member For: 9y 8m 7d Gender: Male Location: South Australia Posted 14/12/23 06:01 AM Share Posted 14/12/23 06:01 AM No it won't come on as quickly, depending on things it'll be about 500rpm later. The more boost a turbo has to make the later it'll reach full boost and various supporting parts also make a difference, so there isn't always an exact answer. Link to comment Share on other sites More sharing options...
Gaz084 Member 50 Member For: 10y 2m Posted 14/12/23 08:00 AM Author Share Posted 14/12/23 08:00 AM Ok thanks ,I will stick with this one. Link to comment Share on other sites More sharing options...
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