matsfgxr6turbo Member 388 Member For: 14y 9m 19d Posted 07/09/12 02:53 PM Share Posted 07/09/12 02:53 PM unbolt cat at next power run that will let you know if its stuffed 18 psi is way too much for that power so you must have an exaust restriction somewhere 2 Link to comment Share on other sites More sharing options...
CLuTZ Donating Members 227 Member For: 13y 6m 8d Gender: Male Location: Melbourne Posted 07/09/12 10:40 PM Share Posted 07/09/12 10:40 PM (edited) I had a 4G63T Galant VR4 which had Rochester injectors- supplied plenty of fuel, but couldn't get it over 185kw atw on 21psi. Ended up swapping them out for some Sard injectors which had a twin spray pattern (like stock) instead of just dumping the fuel in- same tuner ending up getting 202kw at the wheels on 3 less psi. Edited 07/09/12 10:41 PM by CLuTZ Link to comment Share on other sites More sharing options...
thatguy Member 16 Member For: 12y 2m 26d Posted 10/09/12 03:17 AM Share Posted 10/09/12 03:17 AM I had a 4G63T Galant VR4 which had Rochester injectors- supplied plenty of fuel, but couldn't get it over 185kw atw on 21psi. Ended up swapping them out for some Sard injectors which had a twin spray pattern (like stock) instead of just dumping the fuel in- same tuner ending up getting 202kw at the wheels on 3 less psi.Yeah that can happen with poor injector patterns. It makes it very hard to tune also as the AFR in the exhaust is also biased by the poor mixture. Link to comment Share on other sites More sharing options...
lightning g6e turbo Member 83 Member For: 14y 1d Gender: Male Posted 11/09/12 10:15 AM Share Posted 11/09/12 10:15 AM Hey mate just read your first post again, did you do the gearbox while before or after this tune, im wondering if it is slipping and thus not getting all the power to the rears, just a thought. Link to comment Share on other sites More sharing options...
old_mate Member 767 Member For: 18y 9m 11d Gender: Male Location: Brisbane Posted 11/09/12 02:02 PM Author Share Posted 11/09/12 02:02 PM nar, wouldn't be the box. That was only slipping on gear changes, that has come good now after a flash or two and some kind loving words.I'll have it back on the dyno soon and do some troubleshooting. Starting with the exhaust, then looking at injectors and springs. Link to comment Share on other sites More sharing options...
XYZ Donating Members 1,171 Member For: 15y 2m 7d Posted 11/09/12 06:56 PM Share Posted 11/09/12 06:56 PM Hey Mate,Clint was talking about your car yesterday. He will get to the bottom of it.. (Did you stay in the dyno cell when it was running? Farking like a wind tunnel in there! lol)BTW, did you have those 20inch wheels on when it was first tuned? Link to comment Share on other sites More sharing options...
bionicxr6t05 Bronze Donating Members 2,216 Member For: 13y 3m 28d Gender: Male Posted 11/09/12 08:52 PM Share Posted 11/09/12 08:52 PM Fun times mate, listen to clint, he wont steer you wrong 1 Link to comment Share on other sites More sharing options...
JETURBO ...JD TUNING ADELAIDE... Gold Donating Members 23,708 Member For: 16y 5m 24d Gender: Male Location: Adelaide Posted 11/09/12 09:45 PM Share Posted 11/09/12 09:45 PM Nice to hear clint likes to tune big in the mid 18 psi minimum on the small turbo in the mid Looks like its catching on Many lols when sa were doing it though 2 Link to comment Share on other sites More sharing options...
old_mate Member 767 Member For: 18y 9m 11d Gender: Male Location: Brisbane Posted 11/09/12 11:04 PM Author Share Posted 11/09/12 11:04 PM Hey Mate,Clint was talking about your car yesterday. He will get to the bottom of it.. (Did you stay in the dyno cell when it was running? Farking like a wind tunnel in there! lol)BTW, did you have those 20inch wheels on when it was first tuned?Ummm, I have NFI what rims were on it as I didnt own it. I think it did have a set of 20's on it.And yes, dyno cell reminded me a little of my Qantas days when we used to do engine runs. 1 Link to comment Share on other sites More sharing options...
XYZ Donating Members 1,171 Member For: 15y 2m 7d Posted 11/09/12 11:24 PM Share Posted 11/09/12 11:24 PM And yes, dyno cell reminded me a little of my Qantas days when we used to do engine runs.Ha Ha, yeah I know.. I have only been to that place once before.. Never seen anything like it.... The owner went nuts on that cell... Link to comment Share on other sites More sharing options...
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