Hyundai Aftermarket

Turbo & Supercharge (Forced Induction) Posts regarding Turbochargers, Superchargers and any other method for Forced Induction.

My car is driving me nuts, turbo questions, etc

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Old 07-23-2012, 11:37 PM
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k let us know.
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Old 07-25-2012, 09:28 AM
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do you still have the stock injectors by any chance? You could swap them in just to see if the car runs.. Scale the injectors back properly in the FIC and see what happens.. If that doesn't work, you can put the bypass plug in the FIC and see if it it at least drives.



If the car drives better with the injectors scaled back AND the FIC, you can point to the 750cc injectors.

If the car doesn't drive fine with the FIC active but drives somewhat fine with the bypass plug in, point your finger at the FIC and/or injectors.



Obviously don't try and build much boost. DON'T GO 50%+ THROTTLE.



With the RRFPR and the fuel maps, if you boost a few lbs (on stock injectors) a couple times to see if the injectors are the problem, you will be ok.
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Old 07-27-2012, 09:00 AM
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Went to do a leak test, reached in to spin the turbo

It's locked up



Time to start shopping
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Old 07-31-2012, 10:32 AM
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Took it to river city turbo out here and was informed that the reason it failed was cuz I didn't set the housing right



$400 to take it apart, balance the components and check for bends

One bearing had a score so they gotta replace it



He thinks it's gonna be fine though



Gotta love holsets
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Old 08-02-2012, 11:19 AM
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BLAH more bad news...the turbine shaft had a score in it which made him nervous



he polished the shaft out and went to balance it and its WAY off balance so its time to replace



the stock shaft is something like 250 bux new his machinist gawked at that and said lets replace it with a larger shaft



so im lookin at like 500 bux now but it comes with a upgraded turbine wheel....hmnmmmmmmmmmmm or i can get a aftermarket CHRA for 300 bux
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Old 08-05-2012, 08:21 PM
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Had mine rebuilt,.. (GT307R).over $ 600 ......no regrets!...Just got back from an awesome 800 km weekend trip and over 5000kms so far since the rebuild .
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Old 08-06-2012, 02:32 AM
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my regrets are still dumping money in to this pile



thats my regret, ugh i just wish it was done already
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Old 08-21-2012, 01:31 PM
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here it is the long awaited logfile



if i scale the injectors to the proper size, the car wont even turn over so here is one with as close as i can figure it out to be, usually at approx 3200 rpm it will buck a few times for some odd reason



its a whole lot of text so ill put it in a spoiler tag so its not all huge post is huge



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Old 08-21-2012, 02:14 PM
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Sounds like not only it is not building boost, but it's more sluggish than stock N/A right? In that case I would remove the wastegate spring so it's open all the time (and maybe even disconnect the turbo from the intake piping altogether). Then try to see if you can make it run close how it ran N/A. That should at least help you isolate if the issue is with the turbo or if there is something else going on.
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Old 08-21-2012, 02:21 PM
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nah its building boost now, the turbo was dead before



pile of elantra now with 100% professionally re-manufactured turbo(gotta add the professional part since i f*cked it up in the first place)



on one of those pulls it only bucked once or twice at 3200rpms then it pulled til the wastegate opened up

BOV went off also, i shut it down at around 5krpms or so cuz of nervousness



just once it hits 3200 it bucks a few times
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