HX-40's???

[hassy21]

I am really interested in getting a hx40 instead of a hx35 just for more boost and lower egt's. What are the downfalls to them? Will I have to put head studs in or replace the head gasket? What kind of boost will it pull with what I have right now or for now? Where can I get an adapter to fit the hx40 on the exhaust manifold? Not many machine shops that I trust around here.

[cummins king]

an hx40 will bolt right up to the exhaust manifold, the down side is they can over boost and explode at 50psi, with stock injectors and a 1/ timing you can it 40psi, so retorque the head but you wont need studs or head yet,

[bgilbert]

I am really interested in getting a hx40 instead of a hx35 just for more boost and lower egt's. What are the downfalls to them? Will I have to put head studs in or replace the head gasket? What kind of boost will it pull with what I have right now or for now? Where can I get an adapter to fit the hx40 on the exhaust manifold? Not many machine shops that I trust around here.

There are a ton of hx40 variations. The only one you want is one that is a direct bolt up. Don't even mess with the turds that require an adaptor. They'll have the less desired compressor wheel, massive exhaust housings and some are not wastegated. The one you want will come from a newer 24 valve c-series 8.3 and will have a 16cm wastegated bolt up housing.

[hassy21]

an hx40 will bolt right up to the exhaust manifold, the down side is they can over boost and explode at 50psi, with stock injectors and a 1/ timing you can it 40psi, so retorque the head but you wont need studs or head yet,

How can you over boost it?

[cummins king]

to big of injctors i guess i personaly have never blow on up but Ford says he has

[cummins king]

but get one with a wastgate so you wont have that problem

[2muchtq]

They do not like to be barked.


They also dont like over 40 psi.




Past that I have beaten 40's with no problem.

[cummins king]

oh ya thats right they have a small saft in them and they can snap the safts easly, but with stock injectors you wont have an issue with that

has anybody ever noted that with twins the turbos dont bark

[sdstriper]

I believe the HX40 turbine housing that fits our trucks is T3 style, not T4. Someone correct me if I am wrong. There are a ton of the larger style out there so know what your looking for before you drop coin on useless shiot...

Has anyone ever posted up the elusive Super40 p/n or info? Heard of it, seen talk of it, but no p/n etc.

[MMiller]

I just put a Super 40 from ADS on my truck. ITs a gated 16 housing, and I have put a few miles on it. I pulled the stocker off, changed the manifold and went to 4" exhaust. The stocker was easy to bark on shifts, so far the 40 has not. The stocker was maxing out at 28 psi of boost with my current pump settings. The 40 is turning about 33 psi of boost, it seems to light quicker then the stocker, and so far is running much cooler. I've not seem much over 1000* on the pyro. Before on a full throttle blast, I could see 1300+.

I hope to get the truck under the trailer soon and see what happens.

FWIW a buddy of mine has one on a ppumped 12V that dynod over 500 hp and over 1200 ft lbs, it was a little warm, but it ran fine. ITs now the small turbo on the twins on the same truck.

Also FYI, I was advised this turbo was designed as a good upgrade on a mild CTD dodge, not an all out dyno/sledpuller/drag racer.

Michael

[BC847]

Maybe sorta off-topic but can that hx40 exhaust housing (16 gated) be adapted to an hx35 hybrid?

[Philip]

hx40 exhaust housing (16 gated) be adapted to an hx35 hybrid?

You would need an HX40 exhaust wheel and housing. Then you would have a HX40. The center section is the same for a HX35/40.

The Super HX40 has some oiling mods that a standard HX40 doesn't.

[BC847]

hx40 exhaust housing (16 gated) be adapted to an hx35 hybrid?

You would need an HX40 exhaust wheel and housing. Then you would have a HX40. The center section is the same for a HX35/40.

The Super HX40 has some oiling mods that a standard HX40 doesn't.

Thanks Phillip. I was wondering if I could benifit from a gated 16 EGT wise (currently running a gated 14).

[KTA]

The Super40 also has diffrent comp and turbine wheels that makes it more suiteable to a hopped up 5.9 street truck. The compressor is more effecient at 30-40psi than the stock 40's are, therefore they run less Intake and exhaust temp. When I put a Super 40 on my trailer puller not only did EGT's drop, but the summer time cooling problems on hills went away too. Since the charge air temp is cooler thats less heat coming off the charge air cooler and going through the radiator keeping it from working. On a sub 300-450 fwhp truck the super 40 is hard to beat performance wise.

[hassy21]

where would you locate a super 40? what would it come off of?