BlakxrT New Member 6 Member For: 11y 1m 9d Gender: Male Location: Melbourne Posted 21/09/15 12:23 AM Posted 21/09/15 12:23 AM (edited) I posted a reply to this subject in a previous thread but have had no reply so here's my issue if anyone can kindly help. Need to change catalytic on stock twin, sounding sh*t-house when cold. Is it a must to have it tuned if changing it? An exhaust guy in rowville thinks hes had no issues changing the cat on other ba turbs but I beg to differ.Changing from a 400c (factory) to 200c would make some difference I would think but how much? Can't have it boosting over 10psi yet, turbo has play. Excuse any ignorance, dont know sh*t about mechanics. Edited 21/09/15 12:28 AM by BlakxrT
JETURBO ...JD TUNING ADELAIDE... Legacy Donating Member 23,708 Member For: 18y 4m 4d Gender: Male Location: Adelaide Posted 21/09/15 03:10 AM Posted 21/09/15 03:10 AM With a 200cell aftermarket cat you would be very close in getting away with it but you will soon find out Best way is to either go a nice hi flow unit and a tune to suit or go like for like and have no tune issues 1
BlakxrT New Member 6 Member For: 11y 1m 9d Gender: Male Location: Melbourne Posted 30/10/15 11:06 PM Author Posted 30/10/15 11:06 PM Cheers, see how goes...
El Andrew Legacy Donating Member 2,040 Member For: 11y 5m 13d Gender: Male Location: Canberra ACT Posted 31/10/15 04:37 AM Posted 31/10/15 04:37 AM Might be your lucky day - I'm picking my stock BA up in about an hour - new turbo core and a high flow cat being fitted. I'll let you know... Mind you it just started to rain so WOT testing might be difficult.
JETURBO ...JD TUNING ADELAIDE... Legacy Donating Member 23,708 Member For: 18y 4m 4d Gender: Male Location: Adelaide Posted 31/10/15 04:49 AM Posted 31/10/15 04:49 AM You will know fairly quickly if it hits boost cut
_Velocity_ Legacy Donating Member 2,768 Member For: 15y 5m 10d Gender: Male Location: Victoria Posted 31/10/15 06:37 AM Posted 31/10/15 06:37 AM Go to FTG Auto Salvage. They are just off Burwood Hwy. They'll have second hand ones that will bolt straight on.
El Andrew Legacy Donating Member 2,040 Member For: 11y 5m 13d Gender: Male Location: Canberra ACT Posted 31/10/15 08:07 AM Posted 31/10/15 08:07 AM So far so good with 100 cell. I'll let you know after a week once I've treated it nicely for a few hundred km and then found a dry road.
Lennox Member 2,586 Member For: 13y 7m 9d Gender: Male Location: Perth Posted 31/10/15 10:06 AM Posted 31/10/15 10:06 AM Have you floored it yet? I did with a mk2 fg cat with no restrictor ring and plaz 800hp intercooler kit without a tune and it was fine. That cat was probably more restrictive than a 100 cell though
El Andrew Legacy Donating Member 2,040 Member For: 11y 5m 13d Gender: Male Location: Canberra ACT Posted 31/10/15 09:27 PM Posted 31/10/15 09:27 PM Not flat chat, but enough for the boost gauge to hit its usual high water mark
El Andrew Legacy Donating Member 2,040 Member For: 11y 5m 13d Gender: Male Location: Canberra ACT Posted 06/11/15 07:26 AM Posted 06/11/15 07:26 AM BlakxrT - a week in and mine seems fine. No over boost issues when flat chat. Other than the cat, everything else is stock... Except for the Fairlane interior door handles. Anyone know if I need a tune for those?
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