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Holset Turbos, PART 6

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Just got mine today. HX40 billet 6-blade 56mm and 12-blade 64mm turbine with a 16cm turbine housing t3. Is the BEP .70 t3 housing compatiable with this turbo? The 16cm housing is GHEY and not sure if I am going to like how close is puts the outlet towards the driver side.

Also there was a ring? sound suppressor? in the inlet held in by a spring clip. What is this used for?

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need2boostpsi said:
I measured the base of the blades and the blades. base is 87mm and blades were 85mm. the numbers may not be exact but i sized the caliper to the blades on the 56mm turbo and then moved it to the 60mm turbos turbine blades and they were the same.


the a/r to cm^2 i got from part 3 of the holset discussion thread.
http://www.dsmtuners.com/forums/151239399-post5.html

i would say boost would come on about 500rpms sooner with your T4 setup, what manifold are you using?
Click to expand...

I believe that refers to Mitsu td05 housings IIRC and was determined that they dont apply to the Holset housings, but i could be wrong.

The manifold is the JHRacing.
 
GST95 said:
I believe that refers to Mitsu td05 housings IIRC and was determined that they dont apply to the Holset housings, but i could be wrong.

The manifold is the JHRacing.
Click to expand...

I"m surprised yours bolted right up I had to open my holes up a good bit. Looks reall good though. I need to pick up my externals still.
 
selmerguy said:
Well here are the pics. I got the oil thing figured out I think. The kit from turbotrader is only a 3/8npt fitting. Which dosent fit quite right but I can make it work with my curretn restrictor. I think this housing should work great.
Click to expand...

What housing is that?
 
Well I got it going. OMG it pulls hard at 22psi!! Not a real aggressive tune either. only 15 degrees of timing and pretty rich. I will get it dialed in and go to the track tomorrow. Final pics. I need to make a intake still. I will let you guys know about spool too. I am running stock cams but I still have my 272s. They will go back in soon.

Sam
 

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Who machined the housing?

Which compressor wheel are you running?
 
Slippi84 said:
I"m surprised yours bolted right up I had to open my holes up a good bit. Looks reall good though. I need to pick up my externals still.
Click to expand...

Was that on your hx52 housing or did you have a hx40 too? My hx52 needed a little work to fit and i was expecting to have to do the same for the hx40. I was surprised to see that it bolted right up too.
 
My new holset came with a 16cm divided housing. Hmmm.
 
^^^ It is my belief that the 16cm^2 turbine housing with a true divided runner manifold and either hx40 turbine wheel would be an incredible street setup. It should match VERY well to a 55-60 lb/min compressor like the 56mm 6blade or the 58mm 8blade. I'd wager the spool would be full boost in the 3500rpm range and there would still be plenty of turbine flow to ring out the compressor wheel. Based on my guestimates relative to larger and smaller turbine housings and results with this turbo in other platflorms.

yellow90tsi said:
Just got mine today. HX40 billet 6-blade 56mm and 12-blade 64mm turbine with a 16cm turbine housing t3. Is the BEP .70 t3 housing compatiable with this turbo? The 16cm housing is GHEY and not sure if I am going to like how close is puts the outlet towards the driver side.
Click to expand...

Yes, all the hx40 turbos accept any hx40 turbine housing. There ar different wheels, but the diameters and the contures from the inducer to exducer are the same.
 
GST95 said:
Was that on your hx52 housing or did you have a hx40 too? My hx52 needed a little work to fit and i was expecting to have to do the same for the hx40. I was surprised to see that it bolted right up too.
Click to expand...

Yeah it was on my hx52 but I thought it was the same hotside. My old hx40 was t3 so I can't compare apples to apples.
 
jrohner said:
Any guesstimate on what the HY35 would be like? They wouldn't have put the high flow 7-blade compressor on it if the exhaust side was too small to make use of it would they? Could spoolup and HP at least be around what an HX35 is with the DSM housing?
Click to expand...

DSM housing won't fit because it's got a band clamp instead of a 4 bolt flange for the center cartridge. And Bullseye won't build them.
 
And to add. The hy35 turbine wheel is a bit smaller than the hx35 turbine wheel. In the 9cm^2 hy turbine housing, it probably flows fairly well, but if it could be fit onto a bolton housing it would be very choked.
 
I was asking about the HY35 as is; I know that the bolton housing doesn't fit. I never referred to making the HY35 fit a bolton housing. I was wondering how you think it would COMPARE TO the bolton HX35.

I would love to go with an HX35 and a DSM bolton housing, but if I could get about the same spool and HP with just a DSM T3 adapter and an HY35, it would be a pretty economical way to go.

I probably care about spoolup about as much as anything, that's what I love about my Evo3 16G. I could sacrifice some torque for more hp though since torque is what tears things up. Most people seem to claim their 16g doesn't make full boost til over 3 grand, especially with cams, but mine is by about 2700, so maybe something in my setup would also allow a Holset HX35 Bolton to spool quicker than the claimed 3500RPMs. I think I may have been the ones that got lucky on my set of BC cams, since they did help the HP and didn't even hurt my spool one bit -- my FMIC did hurt the spool around 200 RPMS though; I was getting full boost by 2500 on the SMIC as well as when I ran no intercooler a couple summers ago.
 
I know the turbo dodge guys are running the hy35 on 2.2 and 2.5 with great results.
 
Same with the ford 2.3 (turboford) guys and the ka-t guys. They are a good 400whp turbo. I mean 400whp with stock manifolds and not rung out, not evo3 16g 400whp :).

More data points to confirm the obvious we've already understood. Click.

Here's holset's part number database. Not all part numbers are there. Like my WH1C. It is not a fake though :). I have confirmed the tag to be genuine.
 
jrohner said:
I was asking about the HY35 as is; I know that the bolton housing doesn't fit. I never referred to making the HY35 fit a bolton housing. I was wondering how you think it would COMPARE TO the bolton HX35.
Click to expand...

Sorry, I misread your post.
 
My manifold is NOT a divided one. Would it be more beneficial to get the BEP .70 t3 housing and run that? How much of a difference would there be between the 16cm housing I have now and possibly the .70 housing? Should I radius the inlet of the 16cm housing to "accept" the incoming air a little better?

Also the ring that is spring clipped to the inside of the compressor cover is used for?

What compressor map can us 56mm HX40 guys use? Is there any maps for this?


I also have no balance shafts and no oil squirters. I also ported the oil filter relief vlave and my oil pressure fully warmed up was 30 at idle and 90 at 8500RPM. I did a small test with a -4 line from the oil filter housing with and without a restrictor and saw NO difference in oil pressure. The restrictor was an .045 " journal bearing" restrictor. Im assuming the restrictor is to cut the flow down? Is -4 line from the OFH recommended with the restrictor on the turbo or right off the OFH?

Thanks for the help and also thanks everyone for sharing there knowledge about this whole holset turbo thing. I cant wait to run mine and I hope I am happy jumping on the bandwagon.:hellyeah:
 
#### that looks nice^ I like the bumpy look of the valve cover also.
Visually, thats the same setup Im aiming for, drag manifold, hx40 and I have that same manifold, and looks like my o2 housing set up too. Im definitely interested in your results.
 
Need some quick advice on oiling. I have everything to run my oil from the ofh (came with kit from turbo trader) and a .100 restrictor. Now my bs are removed and I also have a short oil line I could use to oil from the head instead. What would you guys suggest in my situation?
 
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