scottk Member 2 Member For: 13y 6m 30d Posted 25/06/11 01:07 PM Share Posted 25/06/11 01:07 PM hey boys just seeing if anyone noes but im buying a xr6t 2004 manual still fresh with 100ks its got a bigger cooler and cat back exhaust but I took it for a drive today and I didnt thrash it to much but when I steped on it in 2nd got to about 4500-5000 and it so of lagged/missed it was weird the bloke said its always done it but if u ease into it, it wont do it he thinks its because its got a bigger cooler and not tuned and its always been ran on 98 and it mite be to high octane for it just wondering if anyones got any ideas or had this problem thanks Link to comment Share on other sites More sharing options...
Adam Here since the start... Lifetime Members 10,282 Member For: 21y 8m 29d Gender: Male Location: Victoria Posted 25/06/11 01:25 PM Share Posted 25/06/11 01:25 PM Bigger cooler and no tune. It's doing that because it hasn't been tuned and the boost is spiking.The fuel excuse is laughable!I'd be leaving that one alone. Link to comment Share on other sites More sharing options...
Gasman Ford Nub Member 412 Member For: 13y 9m 16d Gender: Male Location: Gold Coast Posted 26/06/11 12:24 AM Share Posted 26/06/11 12:24 AM (edited) could have been low on fuel, mine does it at just under 1/4 tank Edited 26/06/11 12:25 AM by Gasman Link to comment Share on other sites More sharing options...
Wingnut Member 573 Member For: 16y 5m 20d Gender: Male Posted 26/06/11 12:46 AM Share Posted 26/06/11 12:46 AM Gasman I dont think that is ok for a car to do that mate. Next time you put your foot down you might explode the engine. Link to comment Share on other sites More sharing options...
Gasman Ford Nub Member 412 Member For: 13y 9m 16d Gender: Male Location: Gold Coast Posted 26/06/11 07:36 AM Share Posted 26/06/11 07:36 AM might be a good thing, have an excuse to rebuild under warranty. Im sure I have read around the forums that its common in the early t's. I dont think its ok either btw. Link to comment Share on other sites More sharing options...
Adam Here since the start... Lifetime Members 10,282 Member For: 21y 8m 29d Gender: Male Location: Victoria Posted 26/06/11 08:13 AM Share Posted 26/06/11 08:13 AM A stock car doesn't do that. Only tuned cars.You're never going to get an engine replaced under warranty on a modified car and it's wrong to try. Link to comment Share on other sites More sharing options...
Mr_4.0 Member 1,096 Member For: 14y 5d Posted 26/06/11 08:40 AM Share Posted 26/06/11 08:40 AM Sounds like boost spike.. Link to comment Share on other sites More sharing options...
Henz Tampon inserted, Auto Acquired, next purchase a new handbag Donating Members 9,946 Member For: 16y 10m 4d Gender: Male Location: Vic Posted 26/06/11 09:45 AM Share Posted 26/06/11 09:45 AM Sounds like coils if it's doing it under load. What sort of cooler is it? Link to comment Share on other sites More sharing options...
bradles024 Donating Members 1,145 Member For: 15y 2m 10d Gender: Male Posted 26/06/11 10:12 AM Share Posted 26/06/11 10:12 AM Bigger cooler and no tune. It's doing that because it hasn't been tuned and the boost is spiking.The fuel excuse is laughable!I'd be leaving that one alone.How does a bigger intercooler make the boost spike? Link to comment Share on other sites More sharing options...
Mr_4.0 Member 1,096 Member For: 14y 5d Posted 26/06/11 10:22 AM Share Posted 26/06/11 10:22 AM I'm tipping the car back exhaust also included a cat and therefore there is boost spike. Link to comment Share on other sites More sharing options...
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