[UAE Boost]

i've got a JDM set of twins on my motor , they have 55K miles on them .
1 month ago , the car was strong and helthy , turbos would build boost constantly up to 1.9 BAR if i desired .
soon after i converted to TTC , while i was working on the turbo side i have found that the #1 compressor has damage on the tips of it's blades , like something got sucked in and damaged it slightly.
i didn't care more as they boosted fine ! after TTC i couldn't see more than 1 bar of boost ! i tried everything with no luck . today i opened up my intake to find the same compressor with Double the damage!!! in excess of 5mm of each blade is broken ! shaft play is minimal .
What causes such a thing ? is this why i can't build more than 1 bar ?
mods are =>
Full TTC , including the removal of all the vsv's and actuators .
Exhaust , HKS Mega Flow Filter , Chipped and tuned ECU .
JDM ,97 model , 6 speed

 

[crossways]

"constantly up to 1.9 bar"

 

[UAE Boost]

i only drove it up to 1.9 for maybe 5 pulls , i then set it down to 1.2 -1.5 bar

 

[honda_s2001]

"constantly up to 1.9 bar"

Thats exactly what my first thought was/is, unless its a typo. ESPECIALLY on jdm twins lol.

 

[honda_s2001]

i only drove it up to 1.9 for maybe 5 pulls , i then set it down to 1.2 -1.5 bar

even 1.5 bar is very high for jdm ceramic twins

 

[UAE Boost]

so this is the reason behind the broken compressor wheel ?
if so .. will this limit my boost level ?

 

[gmacrae]

lol, dude NEVER run more than 1bar on stock japspec turbos, the turbines will shit themselves. Also sounds like you've had some crap get sucked into the compressor blades too.

 

[bahraini_zupra]

lol i told u man if ur gonna boost that much on ur jdm they are gonna KABOOM ! i gave u my advice but u didnt listend .

good luck

 

[Moody]

i only drove it up to 1.9 for maybe 5 pulls , i then set it down to 1.2 -1.5 bar

pwned. By lack of knowledge. Cermaic JDM junk > u.

 

[JDM_trdsupra_tt]

1.9 bar is INSANE
i run mine at 14psi over 60mph
11psi 0-60

i've known peopple to run 16-18 for drag purposes.
I plan to run 16psi on strip but 14psi is amax for my daily.
I also plan on swapping out my jdm for uspec turbo setup.

Good luck

 

[nismo2491]

1.9 bar on any stock turbo is jut stupid

 

[CasuaL]

1.9 bar?! on stock turbo?! sorry to hear bro....well atleast now you have an excuse to get a turbo upgrade...

 

[Supradedupra]

Holy Shit :freak:

 

[perf0rmance]

I don't think 1.5 bar is good even for the USDM metal turbined CT-12's. 1.9 is almost 28psi....HOLY BATCAVE BATMAN!!! That's alot of PSI for any turbo. What kind of fuel system are your running?!?



-joseph

 

[UAE Boost]

perf0rmance - What kind of fuel system are your running?!?

upgraded stock fuel , but it's good !
man .. that 1.9 bar pulls on the stockers were INSANE !!! the car was sooooooooooo darn strong ... what a pitty to what happened to the stockers
anyways am starting to order parts for my single kit :>

 

[shaolin]

WOW.. that's a lot of PSI...
My second tubo (JapSpec) has just died and I am converting to th US turbo's...
Keep it Twin turbo...

 

[JDM_trdsupra_tt]

yeah i'm in the same boat as you shaolin. I'm thinking of converting to the US Spec. But I'm looking for a set with under 30K miles

 

[jasonpb]

Is this post for real? I am even surprised you got them to 1.9bar for any period of time. I run 17-19 psi on mine and they are fine, no problems at all.

Jason

 

[Jaxx]

upgraded stock fuel , but it's good !
man .. that 1.9 bar pulls on the stockers were INSANE !!! the car was sooooooooooo darn strong ... what a pitty to what happened to the stockers
anyways am starting to order parts for my single kit :>

The pulls probably felt hard, but the power is not efficient AT ALL...You were probably just blowing hot air at that psi......

 

[JDM_trdsupra_tt]

I run 17-19 psi on mine and they are fine, no problems at all.

Jason

Are you on J-Spec or US-Spec turbos at that psi?

i was planning on running 16max on racedays in my JDM

Thanks