thermos

Ah ok. It flows and only one way as it should, just not a bunch. I've got to hook up my boost gauge so i can figure whats going on. I think my secondary bypass msy be hooped or bov is leaking. I have literally never heard the bov, even when the car is obviously boosting(must be a leak somewhere) and the idle is rough intermittently, along with boosting issues. May give the primary solenoid a more thorough cleaning this weekend too. I almost forgot how much i love tt subarus.

So I cleaned out the bbod.. everything seemed decent, but the blue/translucent check valve, was stuck initially, following a cleaning/blowing into it has freed it up a bit but seems like fairly restricted flow. Is this a major issue?

Thanks Ross! I'll give it a try once I've mended from this flu...

Apparently it blinked the cel quickly on my wife when switching to secondary and it bogs. Exhaust is sooty so it's not getting enough boost. I suspect the secondary bypass valve. Ill investigate when I'm back home Monday.

haha yeah, we shall see. I'll be sharing the car with my wife for a while so until she decides she needs something new I can't get too crazy.. (but probably will)

Found the problem... rubber inlet after MAF was loose where it connects to MAF. She pulls pretty hard now.. Ordered my restrictor pills so I'm excited to see what that's gonna be like! Boosting about 14-15 on twins now. Thanks for the reply GorGasm, I'll tidy that stuff up while I'm in there next week just to ensure everything is good.

It's quite odd and I can't make heads or tails of it. Car will boost fairly well under light throttle but try and give it some stick and nada. Once in a while I can coax it to hit TT boost by feathering the pedal and lifting a bit but not much else. I cleaned out the boost solenoid in the passenger guard and also did the same to the solenoids in the BBOD while in test mode (green connectors under dash). I have a couple suspicions- 1. I read Swanson's thread and suspect it may be a screwed bypass valve since my results are similar. 2. It could be the auto trans, shifts a little hard and can't really find a gear sometimes, but this may be due to erratic boost ( changing fluids and filter shortly) 3. Sticky IACV? Any threads on cleaning this bastard?

afaik there is still good reason to do so, since zero sports controller doesn't adjust the IACV timing.

Ah fair enough... Yep plugs trans filter and fluid, as well as engine and diff oil will be done shortly. Did the hose 10 mod and didn't really see a huge difference.. Probably need to reset ECU. I cleaned the BBOD and the primary boost solenoid.. mild improvement. The big issue with drivability is that the auto trans can't find it's ass from a hole in the ground. Along with fluid change I'm going to yank the positive overnight to reset the ECU since it's probably been confused for some time now. The restrictor pills are ordered, and I got half way through installing the Defi BF boost gauge I have but this Flu I have got the better of me so I called it a day. Tomorrow, the progress will resume.. Also I'll post some more pics. If the ECU is throwing any code will it trigger the CEL?

So I've finally taken ownership of the car. Looks great but it's a bit of a slug. Feels like the primary spools when it wants to and once in a while it'll make it through the VOD and pull like a banshee, but not often. No Check engine codes, going to clean primary boost solenoid and then bbod if no change as a starting point. Also, it binds up a bit when reversing.. Center diff issues? It's a low K car so I find that odd.. but could be I guess? Will swap to manual, at some point.. but I'd like to give the old wallet a break. Just want to make sure I'm not missing anything super obvious... no CEL either? Thanks, Kelly

this is what I'm going to grab for it.. perhaps in white though. I'm torn.

Looks slick! and those are more or less the sizes I'm shooting for too. I might try to do a bit of extra work on the guards to fit a 215/40 for that extra little bit of sidewall. But we'll see.

Thanks for the info, those offset specs in reference to an 8 inch rim?

Flipped through the fitment thread in the suspension sub forum but didn't really find anything of use.. was wondering if some light could be shed. With coilovers what sort of widths can be tucked into the wells of a BH5? I have no issue rolling and even pulling guards a little... I'd love to can it, but I'll be going for a functional height since it's a daily and the roads here can be **** at times. Thoughts?

That's so tidy.

All good calls... and more or less the direction I'm headed. I'll post more pics once it's landed...

Canada has a rule that only a car 15 years or older can be brought in so rev d is out. That and finding a decent manual one is literally twice the price. Going to do the hose 1 and 10 mods. Will be attacking all fluids once I get it.

Thanks for the direction on the top mount Mark.. I reckon if I'm going to go anywhere with it, frontmount will probably be it...but for now the topmount should be ok. Might get a ZeroSports or knock off diverter to help it though. UK folks are decent enough but most tend to err on the side of stickers and wings. Not to fault those that don't but here the community is small enough that it's not a bunch of people saying they know someone who knows someone who says that this or that is true..it tends to be first hand from the person who discovered something. Rage quit, and named after a terrible sandwich? Tough times. But appealing as ST is, it seems I can apply what you and Ross have done and make the twins good enough until I want to go down that road.

Always good pads Evo. I'm sure I could get away with stock brakes and good pads even, but being an auto for now, I'd prefer the extra stopping power since I can't engine brake. Thankfully not a slop tolerance 2.5 we get over here from the US market. They tend to be poorly maintained, driven into the ground and vastly overpriced used. So I nabbed a rev B GT-B from Japan:

Yeah, I just read through the entire thread. Huge thanks to Rossub, going to be ordering the restrictor pills this evening. I haven't found any definitive info, but it seems at least the GT-B has the correct rotors after reading. For the price of the calipers it's well worth the upgrade. Bought a defi BF the other day off Yahoo auctions for a good deal so beyond the riceyness of it matching the interior well, it has playback so I can monitor boost pulls a little better. I'll try and get a before and after video once I have my mits on the car and get it rego'd(purchased but not arrived yet out of Japan)

Thanks for the info!

Hey all, thanks for having me. There seems to be tons of info here, but the FAQ is just rerouting to the homepage, and my searches tend to come up with way too many results to narrow things, so I figured I'd just play noobus and ask. The car is an auto BH5, I bought it for myself and the wife to share as a daily, but I get to mess with it because I donated more to getting it 1. does the WRX STi IC fit? looks like it would, just instead of y pipe you have an inlet from each turbo... I saw mention of it in one of Marky's posts, but couldn't find it. 2. hose 10 mod is seen to improve boost response and make the VoD not so grossly noticeable. 3. 5 speeds, what bolts up? You didn't think it would stay auto long, did you? 4. 4 pots, do the calipers bolt up with everything else stock? Thanks in advance for any info/links. I'm actually pretty stunned about how little info there is on these cars outside NZ and Aus.. The Japanese know a ton, but finding it online is pretty much impossibru.

What I figured, I haven't taken delivery of mine as of yet or it'd already be done.

Just bought a 99 bh5 auto. I've read every post here and it seems folks are on the fence as to whether this is a decent idea or not. Nick, did you end up deciding if it worked better with or without?