Holset Turbos, PART 8

[JusMX141]

If it's hexed on the outer rim, remove it.

[goodbuds]

wanted to post this here to let ppl know dreams can come true.
hx40 fp3575 exhaust housing.

[ed1380]

obx ramhorn with a Hx35 clears the water pipe by a mile.

[JusMX141]

Originally Posted by goodbuds

wanted to post this here to let ppl know dreams can come true.
hx40 fp3575 exhaust housing.

FP intake, FP turbine housing, Holset turbo....a recipe for big numbers from a bolt-on turbo!

[goodbuds]

thx ,i made an enormous oil drain thats a/n fitted to an n/a oilpan. got that idea from you.

had the whole bep set-up, but last minute found out a few things that made me steer away. so a friend recommended this route.

and shortly after this the wife kicked my ass, for putting it on the dinning room table.

[turbojo]

ok i just got a hx40 from ebay and the comp wheel is trashed so i want to upgrade it to a 6 or 7 blade wheel witch wheel is good for the most hp and where can i buy one cheap i allso need a hot side housing that will work with stock dsm manifold with a t3 adapter my holset hot side hits the block so will a hx35 12cm hotside fit with a 1/2 t3 adapter

[JusMX141]

Review other's results to determine what wheel you want based on the information in the Holset Results thread. Then look in the Holset part number thread for the wheel you want, and get in touch with any Cummins Power dealer. There will be machining involved if your current wheel is not 60mm/86mm.

HX35 turbine housings do not fit HX40 turbos without machining.

[turbojo]

part numbers are assy 3597576 serial o2374607 customer 3597577-01-07/2 model hx40 ive googled it and cant find anything

[JusMX141]

Who knows.

[turboglenn]

Originally Posted by Morphius

Dyno challange: Here's your chance to claim fame within the Holset threads here. Hoping a couple others (wisemen?) or current holset users would help pony up some cash towards this. I'm willing to put up $20 towards a dyno pull(s) for a least one current Holset user on a second Garrett turbo setup. The Garrett turbo must be as close as possible blades/exhaust housing size to the Holset on the users car. Same car. Same tune. Same boost pressure. Different turbos. (ie dyno the Holset, swap to the Garrett, dyno the Garrett) You don't have to go for broke and blow it up running crazy boost levels.

Said user would also be responsible for having access to the Garrett setup. So, if you have such a turbo lying around and it matches up well in specs to the Holset, then you'd be a good candidate.

Originally Posted by dsm-onster

What about housing size?. . . HUGE factor. Of course a bolton hx35 (even the 7blade) won't match a larger turbine housing fp3052 with the same perameters up to about choke likely. We all should know that. The critical area of each housing has been clearly illustrated. . . It's an apples to oranges comparison if you're looking at who has what differences; since turbine housings are more easily interchangeable and are definately a conntrolled perameter like boost and tune. So is it a compressor to compressor comparison? or a hotside to hotside comparison?


Edit: ninja editing FTW. . . With the housing size. . . I'll contribute $20.

I know this is old but i think i may have a good test bed setup.. 57 trim garrett (and a 50 trim also) in a t04e housing and T3 stage III turbine in a .63 a/r housing

My holset is also in a T3 .63 a/r housing that started as a T3 Stage III and was machined. Aside from the turbine wheel diameters these are pretty close. ther'es only ~2mm difference in the comp wheels inducer and exducer as well asthe turbine being within a couple MM's on each measurement as well.

I would have to get a VCE in order to be able to dyno but i have a friend that has one we just can't find out where he put it last (we were putting his new TRE stage III with EVO 1-4 gears last night and because of wanting to dyno it we built it without the t-case and actually had to pull the nice 4 spider CD and put in a welded one because we couldn't find the damn VCE

ANyway.. I have to dyno this thing sometime this summer anyway so if no one has stepped up for this yet i'm willing, MY last dyno pulls of 438/396 on E85 and 30+psi were on the 57 trim with the .63ar housing and my OLD dyno number of 332/312 were on the 57trimon pump gas, low timing and 18-19psi (lot of upgrades elsewhere in between)

[19BLACKGST98]

Originally Posted by goodbuds

wanted to post this here to let ppl know dreams can come true.
hx40 fp3575 exhaust housing.

Is it possible for me to stuff my HX 40 into my old fp3052 hot side?

[turboglenn]

Originally Posted by 19BLACKGST98

Is it possible for me to stuff my HX 40 into my old fp3052 hot side?

Not without extensive machining. I've been putting holsets into T3 housings for a little while and just topday an Hx40 showed up with a gt35r turbine housing and there's a lot more machining that will need to go into one of these style housings to make it work compared to using a normal garrett T3 housing

The backing plate on the tuirbine that keeps oil from getting in the exhaust and gives it a place to burn off is about half as tall on the BB style CHRA'a and this places the turbine major blades in a different location so the entire opening of the volute needs moved and that's in addition to boring the 2 diameters and machining the curve between the 2 sizes correctly..

It's not something i would recomend and would say if you want to use a T3 flanged housing to start with a T3 (T31 turbine style) STage III and machine that or something else that's similar froma garrett journal bearing turbo.

[19BLACKGST98]

Originally Posted by turboglenn

Not without extensive machining. I've been putting holsets into T3 housings for a little while and just topday an Hx40 showed up with a gt35r turbine housing and there's a lot more machining that will need to go into one of these style housings to make it work compared to using a normal garrett T3 housing

The backing plate on the tuirbine that keeps oil from getting in the exhaust and gives it a place to burn off is about half as tall on the BB style CHRA'a and this places the turbine major blades in a different location so the entire opening of the volute needs moved and that's in addition to boring the 2 diameters and machining the curve between the 2 sizes correctly..

It's not something i would recomend and would say if you want to use a T3 style housing to start with a T3 STage III and machine that or something else that's similar froma garrett journal bearing turbo.

Thanks for the info. I will just wait till I find a good deal on the bolt on bep housing.

[lilsam]

Heres the deal my current build has a goal of at least 600 hp. I would like to run Holset turbo. I have a 8 blade hx40 and after talking to a couple people on the forum I was told that this turbo was not capable of putting down over 600. So I was wondering what Holset would be capable of doing this. Possible a 6 or 7 blade hx40? Thanks for the help

[LandSpeed-DSM]

Provided everything else is up to the task, a Super/Pro 40 with a big divided hotside would be the ticket.

I know of at least one person has made ~680awhp on it with a smaller, more restrictive turbine housing, but those results are atypical.

So far at least.

But its a nearly ~70lb/min wheel. Open up the intake and exhaust, get a beefy cam, good fuel and let her eat.

[lilsam]

Originally Posted by LandSpeed-DSM

Provided everything else is up to the task, a Super/Pro 40 with a big divided hotside would be the ticket.

I know of at least one person has made ~680awhp on it with a smaller, more restrictive turbine housing, but those results are atypical.

So far at least.

But its a 70lb/min wheel. Open up the intake and exhaust, get a beefy cam, good fuel and let her eat.

What Holset would get me 70lb a min. I had a venom drag smim. Kelford 272s dual intank Wally 255s an 2150s?

[LandSpeed-DSM]

The milled 60mm compressor.

What springs are you running with the K272s?

What exhaust manifold and post turbo setup do you have in mind?

What fuel?

[lilsam]

My turbo is a 8 blade hx40 with the bep .70 at hot side. I will be running e85. And kiggly racing bee hives with titanium retainers. Th punishment racing t3/t4 mani

[Morphius]

Originally Posted by turboglenn

I know this is old but i think i may have a good test bed setup.. 57 trim garrett (and a 50 trim also) in a t04e housing and T3 stage III turbine in a .63 a/r housing

My holset is also in a T3 .63 a/r housing that started as a T3 Stage III and was machined. Aside from the turbine wheel diameters these are pretty close. ther'es only ~2mm difference in the comp wheels inducer and exducer as well asthe turbine being within a couple MM's on each measurement as well.

I would have to get a VCE in order to be able to dyno but i have a friend that has one we just can't find out where he put it last (we were putting his new TRE stage III with EVO 1-4 gears last night and because of wanting to dyno it we built it without the t-case and actually had to pull the nice 4 spider CD and put in a welded one because we couldn't find the damn VCE

ANyway.. I have to dyno this thing sometime this summer anyway so if no one has stepped up for this yet i'm willing, MY last dyno pulls of 438/396 on E85 and 30+psi were on the 57 trim with the .63ar housing and my OLD dyno number of 332/312 were on the 57trimon pump gas, low timing and 18-19psi (lot of upgrades elsewhere in between)

Since DSM-onster is more up to speed on what would compare well, I'll let him be the judge on whether we pony up the money. I'll honor my prior offer if he feels it's a good comparison.

[turboglenn]

Morphius, thanks a lot, i just figured people had forgotten orgave up on it. I'm in no hurry to be honest and in a few months i may have the money to do so on my own. I just got an attorny for my dissability so hopefully my financial and physical situation start making a turn for the better in the next 3 months or so.

I want to dyno it anyway with this turbo and now that i've rebuilt the old 57 trim i use to run both turbos will be in great shape as well as sharing the exact same turbine housing and even down to the intercooler routing, down pipe and everything else. only difference will be the different brand CHRA's, compressor wheels and housings

I previousely made, 438hp on the 57 maxed out in bad shape, so it should be a little better with the new compressor wheel too

[jshuman]

Does anyone know if there is a difference in the v-band size of the hx40 t4 turbine housings? I have the divided t4 19cm^2 housing and the v-band and outlet sizes are a little larger than my o2 housing. I really dont want to switch o2 housings since its made for my divided manifold and downpipe.
Would the 17cm^2 housing have a smaller outlet and/or vband flange?

Any input is appreciated.

[19BLACKGST98]

I just purchased a dnp divided T4 manifold. My question is will a hx35 in the 12cm twin scroll housing fit on my 2g with a T4 to T3 adapter plate? Or will I have to cut off the flange and weld on a t3 twin scroll flange?

[ed1380]

Just redrill the holes

[19BLACKGST98]

Originally Posted by ed1380

Just redrill the holes

The darker outline is T4 correct? So after I drill the holes do I need to widen the middle where its needed? Will the extra open space not cause a problem? (I know it will be sealed but they obviously wont mate 100% correctly.

Thanks for your help.

[stace]

well I have joined the holset family! Just picked all this up today for $300 canadian.

HX40 8blade, no shaft play and clean w .82 a/r t3 housing.
BEP bolt on housing..needs some broken bolts extracted
o2 housig with 38mm flange for external wastegate set-up
2g stock manifold
2gb eclipse high rise wing.


Was gonna run a td05 20g which apperently was just rebiult by Justin, for a guy in cali before he sold it to me! But I relly wanted a holset! Now the 20g will be up forsale

[stace]

so my bep housing exhaust is way bigger then my o2 housing, how do i get around that?

[RWD4G63]

Originally Posted by 19BLACKGST98

I just purchased a dnp divided T4 manifold. My question is will a hx35 in the 12cm twin scroll housing fit on my 2g with a T4 to T3 adapter plate? Or will I have to cut off the flange and weld on a t3 twin scroll flange?

I'm using the OBX adapter plate for my setup. I will be welding it to the turbo, but my main concern is the threads in the plate. They are quite shallow, and I'll probably be tacking the bolts in just to be safe. Either that or putting studs in the turbo and nuts on top of the flange.

Here's what it looks like:



It's adapting my T4 manifold to my 12cm2 HX35.

[19BLACKGST98]

Originally Posted by RWD4G63

I'm using the OBX adapter plate for my setup. I will be welding it to the turbo, but my main concern is the threads in the plate. They are quite shallow, and I'll probably be tacking the bolts in just to be safe. Either that or putting studs in the turbo and nuts on top of the flange.

It's adapting my T4 manifold to my 12cm2 HX35.

How thick is your obx adapter... Is it a 1/2”? I was thinking about getting the more expensive adapter off of ebay but im worried about it being too thick.
I think I will follow your lead and weld the adapter to the turbine housing.

[RWD4G63]

I didn't even know there was a more expensive adapter haha oops. I'm guessing it's 1/2", I can measure it tomorrow.


EDIT: found the other one. Hmmm...

[19BLACKGST98]

I will have to take my current turbo/manifold off to see how much room ill have to work with. Im not sure when ill have time too though.