i might have blown my turbo
i have a DSM 13g. i did a little work on the intercooler pipes today and put my boost controller back on set to 14psi. first pull ok, it spooled up and held boost for a few seconds, but now it just doesnt want to spool up. and it only will make like 2-3psi in 1st gear. it will get to 9psi at most, but takes forever, and you cant really hear it spool like it did before. i might have some boost leaks, but i should still be able to hear the turbo spool up. no smoke that i can see. i even swaped a different BOV over, and it had no change. i will try and mess with the charge pipes some tomorow, but everything seems to look ok. :vash:
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i might just say screw it and get one of these
http://cgi.ebay.com/ebaymotors/T3-T4...spagenameZWDVW |
what about your megan manifold?
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only a few ways a turbo can fail. the blades are rubbing against the walls, it has no blades or the oil "seals" leak oil.
sounds liek you simply have an exhaust or boost leak. bet you lost a coupler, happen to almost everyone you finally breaches 10psi. |
all the couplers are still there. mani is fine, you can hear it when it was cracked.
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dude i had the same trouble on my 16g turned out to be a leak on my compressor from where i clocked the turbo.
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Originally Posted by magnamx-5
(Post 211938)
dude i had the same trouble on my 16g turned out to be a leak on my compressor from where i clocked the turbo.
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Originally Posted by bryantaylor
(Post 211887)
...i did a little work on the intercooler pipes today....
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it was fine the first time i boosted, it turned to shit while i was driving. i will triple check the pipes again tomorow
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If it was fine until you hit boost for abit something is leaking. You can
A presurize the system to leak test it B take apart and reinstall all the components C give up and drive a slow NA Two of these options should appeal to you GL. |
I agree - taking apart and reassembling was what fixed my mystery leak
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i have done it once already, but i will try again. but i am kinda dreaming of a t3/t4 now, lol. i wonder how bad the spool up time will be?
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that would depend on the size...
I've vote a leak somewhere. |
I think somebody posted 10psi at 4200rpm - but there's a LOT of deciding factors on spool, including the actual components of the t3/t4 (as mentioned). That would be too much turbo for a small engine IMO.
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Originally Posted by bryantaylor
(Post 211997)
i have done it once already, but i will try again. but i am kinda dreaming of a t3/t4 now, lol. i wonder how bad the spool up time will be?
i bet the spool will be better than what you are dealing with now
Originally Posted by bryantaylor
(Post 211887)
it will get to 9psi at most, but takes forever,
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LOL, thanks paul
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well sports fans, it was a hairline crack in the mani. but it was so small, i couldnt feel any air coming out while at idle. but as soon as i touched it with the welder, it burned right through. it all back together and boosting now, woot!
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Originally Posted by mazda/nissan
(Post 211904)
what about your megan manifold?
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