relentless xr6 Member 363 Member For: 13y 4m 15d Gender: Male Location: Sydney Posted 13/10/12 10:10 AM Share Posted 13/10/12 10:10 AM hey guys does this sound right 300kw@16 psi through a c4 with a 4000 stall I only take it to 5900 rpm previous I last raced at apsa meeting on my 14 psi tune 380 hp tune and went 11.45@116 is it the stall that makes the dyno figure very low. Link to comment Share on other sites More sharing options...
brettenator Member 66 Member For: 13y 3m 16d Gender: Male Posted 13/10/12 01:30 PM Share Posted 13/10/12 01:30 PM That's a nice time for 380 hp. But from what I know (not a lot), changing the stall speed shouldn't affect the power over the RPM your transmission stalls at. Link to comment Share on other sites More sharing options...
CCCC miso xr6 Donating Members 317 Member For: 15y 4m 10d Posted 13/10/12 03:44 PM Share Posted 13/10/12 03:44 PM hey guys does this sound right 300kw@16 psi through a c4 with a 4000 stall I only take it to 5900 rpm previous I last raced at apsa meeting on my 14 psi tune 380 hp tune and went 11.45@116 is it the stall that makes the dyno figure very low.As crazy as this sounds, I one day was making 400rwkw on the dyno an then the next day on the same dyno to adjust a few settings, I was reading 300rwkw on same boost an settings, this got me an my tuner thinking what the f..k happened, we could only see one change on his logger an that was wheel speed increased, then we came to an conclusion that mabey its the wheel swap that I did earlier on the day could have made the difference, so I put back on the wheels were I made 400rwkw back on to see if that was the case an then to our amazement I got all my power back, so my point is it could be that your wheels that is not showing your true power. Link to comment Share on other sites More sharing options...
Kroozin Menace Donating Members 1,990 Member For: 12y 11m 28d Gender: Male Location: Sydney Posted 13/10/12 05:53 PM Share Posted 13/10/12 05:53 PM ^^^^ FMD didnt think it would make that much difference!! Link to comment Share on other sites More sharing options...
Bonjaz Donating Members 1,841 Member For: 15y 4m 11d Gender: Male Location: CQ Posted 13/10/12 09:04 PM Share Posted 13/10/12 09:04 PM (edited) A 4g stall is pretty massive for 1 of these cars, majority go for. 2800 or 3000max. Why so big? Edited 13/10/12 09:06 PM by Bonjaz Link to comment Share on other sites More sharing options...
relentless xr6 Member 363 Member For: 13y 4m 15d Gender: Male Location: Sydney Posted 13/10/12 09:45 PM Author Share Posted 13/10/12 09:45 PM The converter is very loose I get 3900 to 4000 rpm on the Trans brake depending on heat could be converter pressure as well I might need to give it more pressure and test it. Link to comment Share on other sites More sharing options...
XR64LT Donating Members 678 Member For: 16y 3m 11d Gender: Male Location: sydney Posted 13/10/12 10:09 PM Share Posted 13/10/12 10:09 PM (edited) Well when I went to a C4 my car was making 347rwkw with a 4spd and 2700 convertor, put the C4 in the power went to 311rwkw with a 3000 convertor, never had any stall issues though, what brand convertor is it? Edited 13/10/12 10:14 PM by XR64LT Link to comment Share on other sites More sharing options...
relentless xr6 Member 363 Member For: 13y 4m 15d Gender: Male Location: Sydney Posted 13/10/12 10:18 PM Author Share Posted 13/10/12 10:18 PM Dominator 3000 Link to comment Share on other sites More sharing options...
CCCC miso xr6 Donating Members 317 Member For: 15y 4m 10d Posted 13/10/12 10:46 PM Share Posted 13/10/12 10:46 PM ^^^^ FMD didnt think it would make that much difference!!Lol we even freaked out, the stupid tyre I had on was slipping through the run with no evidence of it frying, it was actually slipping like it had water on it. Link to comment Share on other sites More sharing options...
relentless xr6 Member 363 Member For: 13y 4m 15d Gender: Male Location: Sydney Posted 13/10/12 11:33 PM Author Share Posted 13/10/12 11:33 PM Next dyno run I'll switch my fronts to the rear as they have a lot more tread. Link to comment Share on other sites More sharing options...
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