senna_T Forged Member Lifetime Members 15,818 Member For: 17y 10m 26d Gender: Male Location: SW Sydney Posted 23/03/08 06:26 AM Author Share Posted 23/03/08 06:26 AM hey I only just caught up on this thread! Azid Rush, yes it will overboost with a gutted cat, this is the same as deleting it all together Link to comment Share on other sites More sharing options...
TOM1111 Member 631 Member For: 17y 5m 5d Gender: Male Location: newcastle Posted 23/03/08 07:01 AM Share Posted 23/03/08 07:01 AM what are the fines with gutted cats??and how are they checked?? Link to comment Share on other sites More sharing options...
BFHOON Donating Members 1,932 Member For: 18y 9m 9d Gender: Male Location: nsw Posted 23/03/08 07:46 AM Share Posted 23/03/08 07:46 AM on my car I had a plazmaman stage 1 kit with the stock zorst, it ran 211.5 rwkw on the factory tune and having 4.8 psi. cv dyno.this kit has the underbattery pipe and all the xover removed and replaced with big pipes.as soon as I started modding the exhaust I found that on the stock tune it would hit 8 psi and cut out. running my custom tune it hit 18 psi spike. up from 14. after zorst mods. Link to comment Share on other sites More sharing options...
BFHOON Donating Members 1,932 Member For: 18y 9m 9d Gender: Male Location: nsw Posted 23/03/08 09:34 AM Share Posted 23/03/08 09:34 AM (edited) to add more.I can now, with a high flowed cat and plaz 800 kit , run 14 psi with no spike or fall off but if I add more boost it spikes and falls away to 14 again.I now need to mod my wgate and actuator to get a solid 15 psi. Edited 23/03/08 09:34 AM by BFHOON Link to comment Share on other sites More sharing options...
nathen ride the lightning Donating Members 338 Member For: 18y 2m 23d Gender: Male Location: sydney Posted 04/07/08 02:37 PM Share Posted 04/07/08 02:37 PM very interesting read Link to comment Share on other sites More sharing options...
iTec TEAM BA Donating Members 1,755 Member For: 20y 26d Gender: Male Location: North of The Bridge Posted 04/07/08 03:22 PM Share Posted 04/07/08 03:22 PM what are the fines with gutted cats??and how are they checked??the fines for a gutted cat are about 10k, checking them is not easy if the cat is simply gutted epa could tell but your average joe blo policeman would be hard pressed to tell the difference Link to comment Share on other sites More sharing options...
dule Donating Members 1,180 Member For: 17y 8m 17d Gender: Male Location: Sydney Posted 04/07/08 03:28 PM Share Posted 04/07/08 03:28 PM I wouldn't be too sure, you can feel strong smell of petrol. and if mr policeman knows what it means he will call in someone who can tell.But even though I'm against this mod I have to say that I haven't heard of anyone being caught. Link to comment Share on other sites More sharing options...
quick xr6 Suspended 229 Member For: 16y 10m 17d Gender: Male Location: sydney Posted 03/08/08 07:24 AM Share Posted 03/08/08 07:24 AM hi mine does off the light flat stick hits 15psi and drops back to 12psi even at 60km/h and hit boost does the same Link to comment Share on other sites More sharing options...
Adam Here since the start... Lifetime Members 10,282 Member For: 21y 8m 7d Gender: Male Location: Victoria Posted 03/08/08 08:18 AM Share Posted 03/08/08 08:18 AM Well, in the earlier BA days cars started to develop a problem of boost cutting when accelerating hard. Most people found this out when trying to overtake.My old ute when 100% stock did this fairly frequently.When I added a CAI then did it everytime the accelerator was nailed.Ford revised the PCM calibration and eventually got it right after a few attempts.It's possible that people who experience this still don't have the latest calibrations. Link to comment Share on other sites More sharing options...
bda12pleaseu Member 94 Member For: 17y 14d Gender: Male Location: newcastle Posted 19/01/09 09:58 AM Share Posted 19/01/09 09:58 AM (edited) interesting read. heres what I have found.big cooler relocated fillter to r/h spotlight 3inch pipe from turbo to t/b stock exaust no gutted cat nothing. and 8psi generic holds 8psi perfect no overboost no other mods. cant see how intake mods would make a diff if any,could someone shed a bit more light on this.however I can understand exhaust mods creating overboost. Edited 19/01/09 09:59 AM by bda12pleaseu Link to comment Share on other sites More sharing options...
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