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Old 18 April 2009, 11:01 AM
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bunsofsteeeel
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Default keep blowing turbos

hi all,
has anyone got any ideas as to why i keep blowing turbos other than the cars running lean and oil starvation as ive killed three three turbos this wk the car is a v7 sti jdm.

thanks
buns
Old 18 April 2009, 11:04 AM
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bluenose172
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Need more info, what boost levels were you running at, full list of mods...
Old 18 April 2009, 11:28 AM
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bunsofsteeeel
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im unsure of the boost pressure but it was mapped to 1.3 bar 2 years ago by powerstation on ecutek, it has headers (< recently) and uppipe, full blitz exh, uprated fuel pump, forge dump valve, k'n air filter and hard pipe, now i didnt give the last turbo (vf35) any real beastings and had it booked for a remap but it just loses all power and starts smoking just as the last two turbos did in under a day!, on the induction side the blades have been hitting the casing but nothing has melted on the exhaust side!
Old 18 April 2009, 12:31 PM
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Oil feed problems ? Are there any gauze "strainers" in the system that might be blocked ?

dunx

Last edited by dunx; 18 April 2009 at 12:32 PM.
Old 18 April 2009, 03:55 PM
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bunsofsteeeel
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thanks dunx i will have a look for that, im gona fit another turbo today and loop the actuator so it will only run low boost and see if it dies! but i will check the oil feed again as well!
Old 19 April 2009, 02:32 AM
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Check the banjo bolt for blockage as Duncan says, also the oil feed pipe, but have you changed the banjo bolt from the one originally supplied with the IHI turbo ?

This will have a small .8mm hole (iirc) suitable for feeding the IHI ball bearing turbos, but often inadequate for a sleeve bearing turbo.

If it has the small hole drill it out. 3mm should do, but make sure you remove the tiny internal filter, and leave it out.


Mark.
Old 21 June 2009, 10:25 PM
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all sorted by powerstation they did a type 25 oil feed thanks for the advice lads and a remap helped!
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