When i installed my JDM DV, I put it in backwards. It was making a really loud wooshing sound! Sounded cool for like 5 minutes, then got really annoying.

 

Nope, mine is installed correctly, not backwards, although I have installed it backwards once in the past, when I originally put it on the first time. So, I am not beyond being an idiot.

In fact, when I installed it backwards that one time, the spoolup was way better. I mean WAY better than when it is oriented correctly. From which I deduced that my particular MR DV is wimpy and starts to vent at about 11 PSI.

The more I think about it, I am pretty sure that what I'm hearing is most likely DV flutter, and not compressor bark.

 

Update, abate OT!!!
Timing is everything, the UPS man just tossed me my APS unit.
I installed it my rig (see post #715).
It's been holding 40psi rock solid for > 5mins
Had to put a lil teflon tape on the adjustment screw, but that was it.

APS FTW !!!

 

Is your APS unit a VTA or Recirculating BOV?

 

Thanks for posting the results of your testing. Now please let us know what you think of the drivability with the APS bov once you have it installed (in the car that is )

 

I searched this thread for a good 30 mins for the answer to my question so I'm hoping to not get flamed. I was considering a 35r eventually but after weeks of research and convincing I think the 20g sounds right for me considering I want a dd with stock like spool. My question is what is the least amount of supporting mods I could get away with having and still use this turbo setup. I am tight on money, thats why I ask, right now i have tb, 02, mbc and im getting a tune, would i absolutely need cams and fmic? I'm sure it would be wise but ive also read fmic stocker is good up to 450 wheel. Thanks for any help or comments

 

I know buschur recommends getting to their stage 4 before upgrading.

You'll probably need injectors, and cams would definately be worth it. A fuel pump like the walbro 255 is a MUST HAVE! The intercooler is for safety, it'll let you run a bit more boost. 1 step colder plugs are probably a good idea too.

I don't think you have the supporting mods yet to take advantage of the 20g. Your tune would probably be ultra conservative with low boost, so you wouldn't make much if any power from it.

Walbro 255
Fuel Injectors
Intercooler
Cams because they are worth it

THEN get the turbo.

 

that's a pretty solid question, and I know plenty on the board would say get cams first, etc. etc. . .

I'm in a similar situation, since I'd rather keep things looking AND acting as close to stock as possible, ie I've kept the exhaust stock, cams stock, etc. . .

I'm thinking of installing just the FP Green with an bar/plate-designed I/C +DV/FP/Tune. . .that hypothetically should be the minimum for this turbo, anyone care to chime in?

 

You bet. My evo is already "green" with envy, if you catch my drift
Went for a dynotune and only managed a measly 400whp; only 385 before Sean crushed my MR DV.
I was losing boost like crazy. Did a boost leak test later at home and things started hissing at <6psi.
Found lots of leaks (fixed) and with the help of my tester found the DV sucked.

So I can't wait.

To answer the other question, the APS is sort of both...it has the normal recirculating fitting,
but when the piston opens full, there is a VTA port. I don't think driveability will be an issue.
At low throttle let-off, the valve opens partially, and only recirculates.

Look it up. It ain't cheap, but it seems like it will do the trick.
Watch this space

 

I figured all of the above s2kguy, fuel pump obvioulsy, and fmic for flow issues, figured i wouldnt make nearly as good power without the fmic and cams and I was expecting to hear injectores as well, its so hard!!! i just want that turbo, i need to win the lottery or something. 680 injectors would be sufficient, am I correct?

 

If your tight on cash, forget a turbo for now. Cams are a must before a turbo, they are cheaper and almost the same power. You should also condsier meth inj. For less then the cost of the turbo you could get almost twice the power with cams and alky.
Do you want to say that you have a bigger turbo, or do you want a faster car?

Also if you have alky, you'll need less fuel. If you get a bigger turbo, it's a consideration when thinking of upgrading injectors.

 

i'd definitely get some cams first. you may be happy with the power you gain from them. they're much cheaper and give a good hp/$ ratio.

 

i was planning on cams or front mount and ic piping with my tune, i want to run alky but im worried about reliability/ im not that savy on it, right now im deciding on whether to order a whole front mount setup then tune or cams then tune, with that im getting a fuel pump and lancer shop messed up my order on the dp so im deciding between buschur or works for dp and high flow cat...

 

also is it a required o have headstuds, valves and springs when installing cams or just a precaution, i dont know much about cams... with my tune, gsc cams , headstuds valves and springs its 2200$ out the door, sounds decent to me...

 

cams>front mount IC.