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Author C20LET Boosting problem
Twinny2
Member

Registered: 26th Jul 06
Location: Bacup, Lancashire
User status: Offline
21st Apr 09 at 22:11   View User's Profile U2U Member Reply With Quote

Iv got a c20let runnin 11psi of boost, but over the past week of having it on the road, it really seems to have started struggling to pull.

I thought it was the air feed pipe to the turbo being squashed between the slam panel and engine, so i've cut some of the panel away to give it more room.

But also, i have noticed a small oil patch appearing on the front of my intercooler, indicating a leak. Would this make a difference that i could notice?

Would not enough cold air make it lag because i was considering fitting a cold air feed to the air filter?

Thanks
john_c20xe
Member

Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
21st Apr 09 at 22:17   View User's Profile U2U Member Reply With Quote

wastegate creeping open to early?
Twinny2
Member

Registered: 26th Jul 06
Location: Bacup, Lancashire
User status: Offline
21st Apr 09 at 22:21   View User's Profile U2U Member Reply With Quote

I dont think it is. It has been on the road since last thursday and it has been fine, but over the past couple of days it lags every now and again. Sometimes, it wont lag at all, othertimes quite often
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
21st Apr 09 at 22:32   View User's Profile U2U Member Reply With Quote

how is the oil getting onto the front of the intercooler? where is it coming from?

if its coming out the intercooler then yes, thats a core problem. and also more than likely a turbo seal problem.
Twinny2
Member

Registered: 26th Jul 06
Location: Bacup, Lancashire
User status: Offline
21st Apr 09 at 22:39   View User's Profile U2U Member Reply With Quote

Yeh its coming out the intercooler. Oil wise, its only very slight. I was told most turbos have a fine mist of oil that gets past the seals....
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
21st Apr 09 at 22:44   View User's Profile U2U Member Reply With Quote

yeah, but ideally that shouldnt be coming out through the intercooler core. nothing should be.
Twinny2
Member

Registered: 26th Jul 06
Location: Bacup, Lancashire
User status: Offline
21st Apr 09 at 22:46   View User's Profile U2U Member Reply With Quote

right, thanks. Im not too sure what intercooler i have fitted. both my air pipe connections are on the nearside of the car. have you any idea what donor car this could be off or where i could get an aluminium one from
john_c20xe
Member

Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
22nd Apr 09 at 08:12   View User's Profile U2U Member Reply With Quote

ebay is yout friend
Twinny2
Member

Registered: 26th Jul 06
Location: Bacup, Lancashire
User status: Offline
23rd Apr 09 at 20:34   View User's Profile U2U Member Reply With Quote

ha ha, thanks :-)

 
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