AIM-300 SUPERLAP 2011 Member 158 Member For: 18y 2m 19d Gender: Male Location: townsville Posted 19/08/09 08:23 AM Share Posted 19/08/09 08:23 AM hi guys. havin a few lil problems with my new setupbasicly im running the following...process west plenum kit (not the race)process west surge tank62lb injectors4" xforce exhaust with the 3.5 single catbacketm external gate kit with screamer (slightly modified to move gate so as not to foul on dump)being tuned with vcmbasicly what we have got is this, it will make 17psi of boost off gate pressure and then drop off to 13-14psi. we have tried using a ball and spring style tap to control boost and stil no success. we have tried it with the cat removed and same scenariowe have played with the timing to see it that was affecting it and still same scenariowe have not tried it with the ford standard ebc though being external gate it should still hold pressure / control boostis there possibly something in the vcm program that needs to be disabled when not using the ford boost controlleranyone able to tell me what we have missed?? is it likely to be a dud gate?any help would be much appriciatedregards adam Link to comment https://www.fordxr6turbo.com/forum/topic/60797-boost-problems/ Share on other sites More sharing options...
icer Banned 2,335 Member For: 15y 10m 26d Gender: Male Location: Aspendale, Vic. Posted 20/08/09 12:06 AM Share Posted 20/08/09 12:06 AM you obviosuly also have done valve springs too right? Link to comment https://www.fordxr6turbo.com/forum/topic/60797-boost-problems/#findComment-922661 Share on other sites More sharing options...
AIM-300 SUPERLAP 2011 Member 158 Member For: 18y 2m 19d Gender: Male Location: townsville Posted 20/08/09 12:21 AM Author Share Posted 20/08/09 12:21 AM Yes. We have done springs too. Sorry forgot to add that. Link to comment https://www.fordxr6turbo.com/forum/topic/60797-boost-problems/#findComment-922669 Share on other sites More sharing options...
Ernie Member 224 Member For: 18y 2m Gender: Male Location: Sydney Posted 20/08/09 01:01 AM Share Posted 20/08/09 01:01 AM we have tried using a ball and spring style tap to control boost and stil no successthere is your problem. the ball and tap boost controls are crap at the best of times. grab a electronic boost control and see how you go. and please don't buy a turbosmart EBoost as there are crap............. personal experiences saw me lunch many engines.try a GReddy Profec or E01 boost controller.hope that helps Link to comment https://www.fordxr6turbo.com/forum/topic/60797-boost-problems/#findComment-922679 Share on other sites More sharing options...
RAP1D Member Donating Members 3,739 Member For: 19y 23d Gender: Male Location: Sydney NSW Posted 20/08/09 07:16 AM Share Posted 20/08/09 07:16 AM What psi spring is it it?When I had the gt45 on the old BA, I first had a 7psi spring, using profecB to control, with 15psi dialed in it would slowly get to 15psi (at 4500rpm which sucked) but fall back to 13.Fitted a 20psi spring, bypasses the profec so just on spring rate, and had a flat 20psi from about 3500 up In my case I belive the 7psi spring was just to soft, the 20 was too high but did fix the slow uneven boost issue... a 15psi spring was going to be my next one to try.May not be the same deal with yours, but that's what I found anyway. Link to comment https://www.fordxr6turbo.com/forum/topic/60797-boost-problems/#findComment-922818 Share on other sites More sharing options...
Ernie Member 224 Member For: 18y 2m Gender: Male Location: Sydney Posted 20/08/09 11:34 AM Share Posted 20/08/09 11:34 AM ahhh for sure......... Link to comment https://www.fordxr6turbo.com/forum/topic/60797-boost-problems/#findComment-922972 Share on other sites More sharing options...
The Don Inactive Members 1 Member For: 16y 10m 26d Posted 25/08/09 08:07 AM Share Posted 25/08/09 08:07 AM Check your Gate 2 things your diaphragm may be pinched (if you have changed springs) or the piston on the gate may be not seating properly on the ring let us know how you go Link to comment https://www.fordxr6turbo.com/forum/topic/60797-boost-problems/#findComment-924823 Share on other sites More sharing options...
AIM-300 SUPERLAP 2011 Member 158 Member For: 18y 2m 19d Gender: Male Location: townsville Posted 03/09/09 04:35 AM Author Share Posted 03/09/09 04:35 AM your a tripper laborio... You bin speakin to pedro? Yeah as you know we had those 2 lil issues aswell as the intake filter and pipework wasnt flowing enough so we went away from the ubcai to a 4'' intake in a box where the battery sat Link to comment https://www.fordxr6turbo.com/forum/topic/60797-boost-problems/#findComment-928797 Share on other sites More sharing options...
510_XR Member 9 Member For: 15y 9m 9d Gender: Male Posted 05/09/09 02:42 AM Share Posted 05/09/09 02:42 AM I would say a faulty gate. Link to comment https://www.fordxr6turbo.com/forum/topic/60797-boost-problems/#findComment-929517 Share on other sites More sharing options...
AIM-300 SUPERLAP 2011 Member 158 Member For: 18y 2m 19d Gender: Male Location: townsville Posted 05/09/09 02:40 PM Author Share Posted 05/09/09 02:40 PM read post above yours mate... was not a faulty gate Link to comment https://www.fordxr6turbo.com/forum/topic/60797-boost-problems/#findComment-929677 Share on other sites More sharing options...
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