 Really loud spool |
 May 19, 2009 - 10:17 AM
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 Enthusiast  Joined Aug 7, '05 From Columbus OH Currently Offline Reputation: 3 (100%)  |
So I'm thinking I have a boost leak somewhere because my turbo sounds like a jet taking off when it spools up and it's not pulling evenly through the rpms. I notice a lot in 3rd getting on the freeway. The car will start to pull and then it will pull really hard (normally around 10psi) and will sometimes hesitate at high rpms. In first and second I can here what seems to be the turbo spooling but normally don't see or feel any boost until 3rd and through this gear and 4th it screams. I can get the car to boost in 2nd but I have to floor it...makes me think I have a leak somewhere. Are there any other causes for this issue? Plus I think I'm running a little lean
 My wideband normally is around 14 or so but have noticed it sometimes running around 15. Man it would be nice to find someone in Ohio with some st205 experience....
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Jun 2, 2009 - 8:09 AM
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Enthusiast Joined Aug 7, '05 From Columbus OH Currently Offline Reputation: 3 (100%) |
Just posting an update...I replaced most of my intercooler piping with bead rolled pipe and I got high quality silicon connectors. Took the car for a spin on the freeway yesterday and pipes didn't separate under boost! I still need to do a leak test but I'm happy with the results so far and I don't think there are any leaks. I also found that my rear tranny mount bolt was about to fall out so I got that back in but the dash vibrates like crazy now, but the car handles 10X better! I also have been keeping an eye on my AFR and it seems to be around 14:7 at idle, but under boost it normally stays around that number and will sometimes jump to around 13 or so. I need to take it out a couple more times...my eyes are drawn right to my boost gauge so it could be performing ok
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Posts in this topic
CELL_PROTOTYPE_X Really loud spool May 19, 2009 - 10:17 AM
nik check where your manifold connects to your turbo
i... May 19, 2009 - 10:47 AM
Nartanian QUOTE (nik @ May 19, 2009 - 10:47 AM... May 19, 2009 - 11:22 AM mk7celica I have the same problem turbo is very loud and boo... May 19, 2009 - 9:09 PM CELL_PROTOTYPE_X I'll keep you posted. I just bought new silico... May 20, 2009 - 8:13 AM presure2 your seeing 14-15:1 under full boost, after ~4k rp... May 20, 2009 - 11:30 AM CELL_PROTOTYPE_X I'll take the car for a spin tonight and see w... May 20, 2009 - 12:15 PM presure2 it should be ~14.7-15:1 at idle, and cruising, onc... May 20, 2009 - 1:21 PM CELL_PROTOTYPE_X So I checked my exhaust manifold and turbo and cou... May 20, 2009 - 9:27 PM pittfirefighter come to PA May 21, 2009 - 4:43 AM CELL_PROTOTYPE_X lol, trust me I would if my schedule permitted. It... May 21, 2009 - 7:40 AM CELL_PROTOTYPE_X Anybody know where that line goes that appears to ... May 21, 2009 - 8:30 PM pittfirefighter if youre talking about the one in the pic.. that l... May 21, 2009 - 11:38 PM CELL_PROTOTYPE_X Thanks! That's what I was looking for. The... May 22, 2009 - 7:56 AM pittfirefighter you want to be right around 13 under boost nice ... Jun 3, 2009 - 12:19 AM lagos QUOTE (pittfirefighter @ Jun 3, 2009 - 1... Jun 3, 2009 - 8:36 AM CELL_PROTOTYPE_X I'll check the line tonight along with my wide... Jun 3, 2009 - 9:25 AM presure2 just to add,.. on a 3rd gen, it will generally be ... Jun 3, 2009 - 6:11 PM CELL_PROTOTYPE_X Sorry to bring back this old topic but I finally g... Nov 23, 2009 - 8:41 AM |
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