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View Full Version : changed the gasket and still have boost leaks


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Halon
07-04-2007, 12:31 AM
Looks like you should look in the mirror when you say that. You just happened to have forgot a "WHAT" in there... Maybe you should think before you jump on someone about spelling. Also, "diffs" is spelled "differential" just so you know. Proof reading FTW.



I wasnt aware that breaking shit means you know how to drive your car... But you are correct on the "little bit of power".

He'll have some good power once he gets a good tune. :)

My hose is laying in the driveway. Feel free to stop on by and use it if you need to rinse it out.

HiImBrian
07-04-2007, 12:36 AM
My hose is laying in the driveway. Feel free to stop on by and use it if you need to rinse it out.

hahaha! Man they need to have a smilie for that lol. I've taken part of this thread to pms so we can keep on topic. I've got the wg in pieces in front of me and you can expect another pic or two later on tonight once I figure out what the problem might be.

xveganxcowboyx
07-04-2007, 12:43 AM
Did you replace the TB shaft seals. I doubt that's the major cause of the lag, sounds like the wastegate is junky, but the seals wouldn't hurt and it's an easy job.

HiImBrian
07-04-2007, 12:55 AM
Did you replace the TB shaft seals. I doubt that's the major cause of the lag, sounds like the wastegate is junky, but the seals wouldn't hurt and it's an easy job.

Naw I haven't replaced the seals yet because I'm tryin to find the main culprit. I've got the wg in pieces on my kitchen table and I don't notice anything that could be wrong with it.

HiImBrian
07-04-2007, 01:05 AM
One thing I did notice is that the valve diameter is smaller than the 40mm opening. Here's a pic to explain. http://i9.photobucket.com/albums/a98/mrbrianf20/IMG_0001.jpg
I kinda think it's supposed to be that way, but then again, this is the first wg I've ever taken apart.

The other little thing I noticed was that the back part of the valve where it's threaded looks like it should screw into the metal cup and then the bolt and washer on top of that. It looks like there used to be threads in the opening of the metal cup, but they are pretty much shot. Here's a picture of that as well.
http://i9.photobucket.com/albums/a98/mrbrianf20/IMG_0003.jpg

EclipseGST
07-04-2007, 03:59 AM
My hose is laying in the driveway. Feel free to stop on by and use it if you need to rinse it out.

Thats ok, I have a hose here, a little closer than 120 miles away or I'd hit you up. I'll rinse out when I'm done at the beach... Thanks! ;)

Halon the rest is not directed at you.......

Someone seems to have a lot to say when they have a shop do everything for them and gives someone shit for doing work and paying for parts themselves and "messing up".

I'm drunk so take this for what its worth:

I'm sick of people giving shit to others saying "get help working on your own car". How the fuck is he suppose to learn? Especially coming from someone who pays to have a fuel pump installed a year ago.

Give the guy a break, he is learning and I am trying to help him like a dsmer would do, not tell him to go find someone to help him. I gladly could have charged him but I gave him my shop/tools last weekend for him to do his brake rotors/lines/pads so he would learn and wouldn't get RAPED at a shop that charges $80 per corner. The kid wants to learn, not hear "have someone else do the work". Enough said.

Point being is why tell him to get help working on his car when he is capable of doing such work, just needs a little help from the rest of us. Its like you are too good for him but yet you were in the same fucking boat about a year ago. Its pretty pathetic...

Brian, if you need help, give me a call man. If you go to www.extremepsi.com and check out their HKS wastegates, they have a special gasket that goes up into the "valve". Not sure if this is to make it seal or what. I will call HKS tomorrow and find out what the deal is. If you find something let me know...

HiImBrian
07-04-2007, 10:31 AM
I'm drunk so take this for what its worth:

Aw that made me laugh. Basically, Jakes right about my view on things. I'd rather do things myself and learn how something is done. And Jake wasn't lieing, he didn't charge me a dime to use his shop and tools. This is not to say I'm not going to tip him or give him parts, but this is because I can and want to. I've learned that paying for breaks to be done is stupid.

Back on topic, before I go hack into something I'm unfamiliar with I do a quick search and create a new thread with the idea that somebody else will benifit from it in the future. I was unable to find any diagrams of hks wg's online so I called them to get an idea of what could be wrong. The guy working at hks was an idiot and didn't know a think about wg's. So after that, I decided to call a local hks distributor; MAP. I spoke with chris and he was nice enough to explain the simplicity of the hks wg briefly. So thanks Chris, unfortunatly I'm still a little stumped on what could be wrong after taking it all apart.

So if you feel the need to rant go for it, but I don't believe I've done anything wrong to get on anybody's bad side, if so please let me know.

Otherwise, any other advice or insight on the topic at hand would be fantastic. Thanks and happy 4th

92EvilTalon
07-04-2007, 12:16 PM
I know the WG controls the amount of boost the Turbo runs. but doesn't the hot side make the boost? If you are getting 10psi at 5400 shouldn't you look at your turbo. I know you might of said it was new...but could the fins on the hots side be shot. Granted I am not using the right name for that. But you do get my point right? If you can not find a leak in the intake then look at were the exhaust is going. You have a 2g mani or something better? Is the engine tired out or is it from a freash rebuild. I don't know I am grasping at straws because this is stumping me too. Go back to the Boost controler see if thats messed up again.... How about your head could it have a bent valve... or a few. I hope you find the problem. It could be the WG after all. And switching to a Tial will fix the problem! Give HKS a call again. Talk to someone else.

xveganxcowboyx
07-04-2007, 01:56 PM
Until recently I had an issue where my wastegate arm was falling off, but I could still see 10-15 psi above 5Krpm even with a very tired engine. (small 16g)

HiImBrian
07-04-2007, 01:57 PM
I know the WG controls the amount of boost the Turbo runs. but doesn't the hot side make the boost? If you are getting 10psi at 5400 shouldn't you look at your turbo. I know you might of said it was new...but could the fins on the hots side be shot. Granted I am not using the right name for that. But you do get my point right? If you can not find a leak in the intake then look at were the exhaust is going. You have a 2g mani or something better? Is the engine tired out or is it from a freash rebuild. I don't know I am grasping at straws because this is stumping me too. Go back to the Boost controler see if thats messed up again.... How about your head could it have a bent valve... or a few. I hope you find the problem. It could be the WG after all. And switching to a Tial will fix the problem! Give HKS a call again. Talk to someone else.

Yes the hot side is what creates the boost and I have my exhaust mani off the car right now and I was going to take a look at the fins last night, but 2:00am came too fast and I got tired lol. So yes, I believe the fins on the exhaust side could possibly be the problem and I'll know for sure later today when I'm off work. But thanks for the thought on that!

I have a heavily ported 2g manifold. The engine runs great. About 25-30k on a 7bolt rebuild. The head is a ported evoIII that was put on a few months ago. I have a slight lifter tick at times, but that's the worst of it that I know of. I may try to borrow my buddies boost controller and see if that's the problem but not untill I check the fins first.

Everybody tells me to switch to a tial and I would love to. They have a great reputation, especially with wgs and bovs. My only problem is I've got this manifold flanged for a hks and if I were to switch to a tial I'd need a new mani as well as a tial wg and that gets a little pricey. I'd really like to fix the wg if possible.

Thanks for the reply and I'll let you know about the fins later today.