18 psi?? - Page 5

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18 psi??

This is a discussion on 18 psi?? within the Veloster Performance forums, part of the Veloster Turbo Garage category; I think it is too soon to expect this, but an aftermarket EBCS (electronic boost control solenoid) with more ports than the factory will allow ...

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  1. #41
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    I think it is too soon to expect this, but an aftermarket EBCS (electronic boost control solenoid) with more ports than the factory will allow greater resolution in the maps in the ECU, but will require tuning or the boost WILL spike. This would be an inexpensive (except for the tuning) option for the greatest gain in power.

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    In cooler temps, the VT seems to heat up similar to my old 2000 Tiburon. If left idiling, it never really warmed up. But as soon as you drove it 5 blocks, temps came up quick.

    I have noticed when driving the VT without being at full temperature, that it seems the boost pressures are vented. Pulling onto the freeway with engine temperature at about half of normal, the car is lacking power and has a noticeable hissing sound coming from under the hood. By the next light, engine temp at normal, hissing is gone and car drives like normal.
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    Oh boy. I think you are a bit late in this thread. We run 18 PSI. End of story.
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    Quote Originally Posted by Vtracing1 View Post
    That sounds more realistic...everyone keeps saying 18 psi bs.. Sti is 18 psi and it feels like it.. VT were dailed down a lot because of warranty issues.. And we have a 7 lbs spring so 8 psi is about right..
    Quote Originally Posted by Vtracing1 View Post
    Its too slow to have 18psi
    Not sure if serious?? Trollolol
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    Quote Originally Posted by Phantom X View Post
    I think it is too soon to expect this, but an aftermarket EBCS (electronic boost control solenoid) with more ports than the factory will allow greater resolution in the maps in the ECU, but will require tuning or the boost WILL spike. This would be an inexpensive (except for the tuning) option for the greatest gain in power.
    We have been talking about this in great deal. Problem. We have not had a problem sustaining boost levels to 7100 RPM. If peak power were falling off, we would be able to make a move on getting a better boost control solenoid on the car. We have not seen an issue yet. When we do, we will be working on getting that addressed.

    Quote Originally Posted by Turbo 'ToonSter View Post
    In cooler temps, the VT seems to heat up similar to my old 2000 Tiburon. If left idiling, it never really warmed up. But as soon as you drove it 5 blocks, temps came up quick.

    I have noticed when driving the VT without being at full temperature, that it seems the boost pressures are vented. Pulling onto the freeway with engine temperature at about half of normal, the car is lacking power and has a noticeable hissing sound coming from under the hood. By the next light, engine temp at normal, hissing is gone and car drives like normal.
    I really want to turn the fans on sooner and get a cooler t-stat for the VT. I have suspected that doing this would result in much lower running temps and offer up some gains in power. This is something we are currently working on in the shop and trying to get one ready for the Veloster Challenge.

    Thanks,

    John
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    Quote Originally Posted by Somerandom18 View Post
    Holy thread resurrection batman!

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    I didn't even catch that.
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    Quote Originally Posted by TorkMe View Post
    I really want to turn the fans on sooner and get a cooler t-stat for the VT. I have suspected that doing this would result in much lower running temps and offer up some gains in power. This is something we are currently working on in the shop and trying to get one ready for the Veloster Challenge.

    Thanks,

    John
    I've talked to Trdtoy about doing this. I'm gonna try it after I'm back from vaca and get my boost issues figured out.
    TorkMe likes this.

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    Make sure you test if you do big bird. The LSX motors like to run hot for whatever reason so putting a cooler thermostat just fouled out the plugs quicker. Fans should run fully if a/c is on but shouldn't be hard to wire a relay from battery and disconnect factory harness to just kick on with the ignition.

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