Holset Turbos, PART 3

[andy4g63]

This is how I did mine as well. I do plan or using my current 02 housing.

It's 2.75" piping and its recirculated. I plan on running the 44mm dumped (or until I get tired of the noise, but I'm a ricer at hear).

Remember I PM'd you that it wouldn't work. Anyway good luck. DO NOT recirculate it. I know you not going to but my buddy did it before and the damn car was like loosing power instantly.

 

[JWoodley]

Remember I PM'd you that it wouldn't work. Anyway good luck. DO NOT recirculate it. I know you not going to but my buddy did it before and the damn car was like loosing power instantly.

When I mentioned recirculating, I was referring to the OEM coolant lines.

I really like dumped 02 housings at WOT. With the HX40 spooling late, its not like its going to be open alot around town. Now with a T25 and E3, the open dump got old.

If any of you guys know of anyone trying to get rid of a 40/44mm EWG, let me know.

 

[dsm-onster]

Andy. You lost lots of power recirculating the wastegate? Was it recirculated right at the o2 housing? With the small or large bep housing? Or was this another car/turbo?

 

[haioku-rocket]

Has anyone ever heard of a HX40 6 blade compressor that has a 56MM inducer? I have a friend that has one.


Also I am another bandwagon jumper. Got my HX40 pro with a bolt on housing on the way for me.

 

[haioku-rocket]

DSM-monster...

recirculating the gated air generally does create a loss of power. re-introducing the air back into the exhaust flow destroys the helix, and adds back pressure. If you have to recirculate the gated air as far down the exhaust stream as possible is reccomended, so not to disrupt it. Generally on small HP applications internal gate you don't give up a whole lot, but on something like an HX40 on fairly high boost I could imagine losing a noticeable amount...especially recirculating right into the 02 housing. However truth be told I am going to keep mine recirculating...ohh well ;-)

 

[dnhieu]

When I mentioned recirculating, I was referring to the OEM coolant lines.

I really like dumped 02 housings at WOT. With the HX40 spooling late, its not like its going to be open alot around town. Now with a T25 and E3, the open dump got old.

If any of you guys know of anyone trying to get rid of a 40/44mm EWG, let me know.

why do you need a 40-44???? my ebay 38mm does just fine...

 

[dsm-onster]

DSM-monster...

recirculating the gated air generally does create a loss of power. re-introducing the air back into the exhaust flow destroys the helix, and adds back pressure. If you have to recirculate the gated air as far down the exhaust stream as possible is reccomended, so not to disrupt it. Generally on small HP applications internal gate you don't give up a whole lot, but on something like an HX40 on fairly high boost I could imagine losing a noticeable amount...especially recirculating right into the 02 housing. However truth be told I am going to keep mine recirculating...ohh well ;-)

This is what I've been supposing for years. I've just not seen it personally. With a larger frame setup, I just see/install the dump. I've never upgraded a recirc to a dump setup. Except in an attemp to remedy evo3 16g or td05h 18g boost creep. . .

 

[JWoodley]

why do you need a 40-44???? my ebay 38mm does just fine...

David can you shoot me some pics? My email is joseph 23 w @ hotmail.com. No spaces ofcourse, dang spammers.


How heavily did you guys port the wastegate hole in the housing to assure proper function?

I need to make sure I do this right the first time as I don't want to fool with it again. Thats essentially the only reasons why I'd opt for the larger wastegate. I can't afford creep on my stock bottom end in the upper RPMs. I want to do this right the first time.

 

[dsm-onster]

Again. I have a smaller wheel than you. Which may make a difference. But I think would make it MORE prone to creep. . .

My used hx35 bep housing came to me via Nick at IPT/turbotrader with the internal wg hole welded shut. I ported it out to LESS than the 38mm internal gate hole that was there originally. All the bep housings come with a 38mm hole. I hold boost a 5psi to redline and 20psi to redline with an ebay 38mm wastegate on the o2housing (and recirculated there). . .

 

[JWoodley]

Do you think porting would be a good call with a 40-41mm gate and the 38mm opening?

 

[dsm-onster]

Sure! But you can have a 38mm gate and have smooth flow. No porting neccesary. I've only heard of ONE issue with a 38mm hole not bypassing enough gases with the hx40. And he posted. But if you really want the +40mm gate, port the hole or you'll still only have a 38mm gate.

 

[andy4g63]

When I had my bolt on housing my WG was off O2.I did removed it twice for porting. The guy who takes care of my car did it. Even after that I had like 1-1.5psi/up top/ creep, but that was acceptable to me.The hole is kind of oval as far as I can remember. We made it may be around 40mm.My WG is 44mm and the inlet flange is not 44mm it is 42 or 40mm,so if you have flange measure that and go from there. He was saying that if you go too big you kind of change turbine AR or VE I don't remember. One thing I do remember is talking to a Tial rep and he said to smooth edges/not enlarge/ on the hole that leads from main flow towards flapper area. That cures boost creep too. Hope this helps.

 

[JWoodley]

I've found a 40mm gate and dumptube for $245 shipped. I'll have to buy a flange to weld onto my 02 housing (ebay has them for about $15 and extreme has them for $25ish). This would be my cheapest option as of right now.

 

[haioku-rocket]

245 for a gate? man I used to use the XS power gates for 70 dolllars. I loved em. Man we drive DSM's we need to be cheap!!!

 

[haioku-rocket]

asked this on the last page...

Anyone hear of a 6-blade 56MM inducer HX40? I have a friend that has one!! No BS!!

 

[dsm-onster]

No. But I wonder if the first map in this post is the map for it. I looked everywhere and the next bigger hx40 map looks similar to the h1e. So that next bigger map likely is the 8 blade 58mm hx40 since the hx40 8-blade and h1e compressor wheels are essentially the same thing WR blade shape and diameters. The largest looks like the map holset labels a high flow hx40 is the 60mm 6 blade (from my research). That leaves the smallest map with no commonly known wheel.

 

[dnhieu]

sorrry i didnt post to this sooner. what are you needing pics of????

 

[selmerguy]

Hey guys I need some help. I am in town and I am going to install my holset next week. I need a link to a fitting for the oil feed. I have hears it is 12mm x 1.5 inverted flare. I have also heard it is a NPT fitting. Can someone link me to the right fitting adapter. I am going to 1/8 npt female so I can use my current restrictor.

 

[andy4g63]

I have in my car the right # for the fitting that you put no the turbo and adapts to -4AN. I can't do it now it is too late for me , but I can post by tomorrow afternoon eastern time if it is OK with you.

 

[IPT]

It is a M12x1.5 striaght thread. Most of these fittings have a o-ring seal on them.

 

[andy4g63]

The # is: 9919 BFG ERL. This is the part # from EARL'S.

 

[selmerguy]

Thanks guys. I went ahead and ordered the feed line kit from turbo trader. I needed to replace me line anyway.

 

[Ceddy]

Just got my WH1C today and though I'd show it off.
The compressor wheel is huge compared to my 16G, it has me really excited.
From what I gathered from the diesel forums, the WH1C spools faster than the HX35, but flows less. I'm thinking it has the H1C wheel with the HX35's MWE cover.
I'll get some measurements of the wheels once I get some new batterys for my digital calipers.

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What have you guys been using to clean the grime off the compressor wheel and cover? Mine is filthy.

The bolts that hold the turbine housing on are the standard "lefty loosey" correct?

Thanks.

 

[dsm-onster]

I'm thinking it has the H1C wheel with the HX35's MWE cover.

That is correct. The wh1c is the big h1c (54mm inducer) with a 12cm^2 turbine housing and MWE groove. The small h1c has a 50 or 44 mm inducer compressor. The wh1c came stock with no other turbine housing, compressor housing or compressor wheel. You can take off that silencer over the MWE groove. It will give you a nice whistle on spoolup.

What have you guys been using to clean the grime off the compressor wheel and cover? Mine is filthy.

The bolts that hold the turbine housing on are the standard "lefty loosey" correct?

Thanks.

Spray on engine degreaser (Engine Brite). I also used a scouring pad for the heavy stuff and a cloth to wipe it all clean. Be gental with the compressor blades .

Lefty loosey is correct.

 

[Ceddy]

Thanks for the info.

You can take off that silencer over the MWE groove. It will give you a nice whistle on spoolup.

Any trick to getting the snap ring out? I tried prying it, but didn't want to scratch the cover up.

Also has anyone had any luck finding a V-Band flange that fits the compressor outlet? From my measurements it seems to be an oddball size.