hx52 on a 6.7

[rcarro001]

I have a hx 55 of a dd15 that measures the same as the hx 52 with 70x84 turbine wheel & 67mm compressor inducer. I just pulled my 5.9 out & put a 6.7 engine in my truck & found the turbine wheel on my gtx3582r coming apart again. Does any one have any experience with this size turbo holiest on a 6.7. How soon will it spool? I do tow with this truck, I'm using my electronics & flux 2 injectors in the engine, I now use hp tuners for tuning. I left my cam in my 5.9, hope I don't regret that. It is a stock 6.7 long block. It will have dual cp3 pumps & a complete intake elbow & has a banks inner cooler & banks double shoot water meth injection system. Had to use the water meth system as just a water injection to try & control egts with the garrett, I have checked & cannot find a straight answer on how quick these engine will spool a 66mm. want to get this running but not ready for twins. I have a t4 manifold & the turbo has the t4i. I can machine this to a t 4 with my mill if needed. Does anyone know of a better turbine housing option that is cheap? Thanks for any help, I don't want to pay for another 3582 cartage, and all I have is the 351VE & no controller, 2 341's A gtx4202r & a gtx2860r. the hx55 looks like the most best fit for what I have.

[zfaylor]

The dd15 hx55 is the same as an hx52 dimensionally on the wheel side. The only difference internally is the hx55 has two spaced exhaust seals, hx52 has two seals in the same groove. The hx55 has a pretty tight exhaust housing (11cm if I am remembering correct) but I believe it is a bit of an oddball flange as you mentioned. There aren't any better turbine options unfortunately. Aside from making some custom. custom and cheap aren't hand in hand, though obviously.

It should run reasonably well. The only unknown is how it will respond with that exhaust housing. The hx52 is a 16cm so it is a big jump down in size.

[rcarro001]

Yea custom isn't cheap but I have my own mill & lathe. I can do most of my own machine work my self. The housing has 11 stamped inside of both volutes in the turbine housing. I thought that meant they where added together.

[rcarro001]

any more information?

[crackerman]

Put it on and run it! Let us k ow how it does. Dont be shy to be the guy providing information.

[zfaylor]

What info are you after op? You aren't going to get much insite from anybody running one.

[Gasoline Sucks]

I ran a hx52 on my 12v for about a year. With 35s 3.55s towing in od would get hot on any incline if you did 70 @1750 drive by the pyro. Would have to leace OD off in the mountains. Made 60psi and was fun to drive. The 6.7 should spool it much better and 3.73 with a smaller tire would help out towing cause it would have a bit more rpm.

[rcarro001]

My biggest question is when will it spool & can I tow with it. I don't mind to try something new but if it's been done & does not work I don't want to waste my time. Gasoline sucks thanks for the information. sounds like egt's may be a problem while towing.

[Gasoline Sucks]

The 6.7 will spool much better and you have much more tuneability than the old springs and fixed timing on 12v. I think you will be fine. Just use tow haul and atleast 1800 stall converter.

[zfaylor]

It is nearly impossible to say "if you can tow".

I wouldn't put it on if you expect it to be a great all around performer. It may do well. It does have a much tighter housing than a traditional hx52. However, it is still a turbocharger designed to hang on a 15L engine at the end of the day.

[Gasoline Sucks]

An 11cm housing is tiny. Would tow fine. Mine was 16cm on a smaller engine with a head that won't flow. You will be fine.

[rcarro001]

Thanks again my truck is a 6 speed & staying out of overdrive isn't a problem but spool up is due to having to spool during shifts. I wish the he451ve had not give out on me. It did good on the 5.9 I believe it would be great on the 6.7. If i do try it I'll post the information.

[Mooner1]

I'd run it as well. There are quite a few turbine housing options for that turbo as Holset made the HX55's and HX52's in a bunch of different configurations. I've seen 11cm non-gated, 13cm gated, 16cm gated and non-gated, and 23cm non-gated. 16cm non-gated seems to be the most popular. Exhaust housings are interchangeable between the two so long as they have the same 84/70 turbine. Just to double check, last night I swapped exhaust housings; a 16cm wastegated housing off of an HX52 with an HX55 identical to yours. The 16cm gated housing fit right up. I'd think you'd want to look into an external wastegate setup if you run the 11cm housing. So CHEAPEST option IMO would either be to just order up a used genuine Holset gated 16cm housing, or machine an BW S400 housing to fit it. Seems like here in the last year there have been a hand full of guys with 6.7s' who have acquired 52s' and 55s', ask about whether they'll work or not, and then never try it or never post back their results. I say give it a whirl and let us know!