Let me approach this subject a different way.

 

I am looking for a different turbo for one of my 01 3500's and would like to know if there is any math or formula to help you make this choice? I know you have to try to match the air to fuel ratio, but thats it. I have BD's 110 injectors in this particular 3500 with a stock turbo and she always has a 16' company trailer attached to it with aluminum extrusion and ladders on it. I am just wanting a little more lower and a little lower EGT's without changing injectors of course. My other mods on the truck are basically the same for this one that is in my Sig below. If you need ,more info let me know and I will gladly post it.

Thanks for any input!

Steve

I like it more.  

 

I would also still be figuring out what turbo you have.  A hy35 ( which comes on 01/02) autos will choke above 32 psi.  

Dollar price vs HP gained yes Quadzilla has Smarty hands down. 

 

Quadzilla has cooldown timer for turbo cool down. Smarty - none.

Quadzilla has wiretap abilities for VP44 fuel trucks. Smarty - Designed more so for Common Rail (210 HP) not VP44 (60 HP Canbus only fuel).

Quadzilla provides EGT probe for free. Fuel pressure sensor is optional. Smarty - Not supplied with EGT probe.  

Edited April 25, 20186 yr by Mopar1973Man

I literally just posted a video to youtube two days ago about custom tuning with the latest V2. @Me78569 had a great video but youtube fubbed it up and flipped it around and its really hard to see. 

You can at least see the text on this one.

 

lol WAY better than my video lolol

4 minutes ago, Me78569 said:

I like it more.  

 

I would also still be figuring out what turbo you have.  A hy35 ( which comes on 01/02) autos will choke above 32 psi.  

The guy who has it at the job now says its a hy35 turbo and yes its an auto. I only own autos because no one knows how to shift, except me. LOL As for psi its hit 40 at one point with me flooring it, but very high EGT's.

The hy35 is WAY out of its map thats the main issue for your EGT's WAY too much fuel for it.  

 

An hx35 would be a good cheap drop in or a bigger turbo if you want.  

7 minutes ago, Me78569 said:

The hy35 is WAY out of its map thats the main issue for your EGT's WAY too much fuel for it.  

 

An hx35 would be a good cheap drop in or a bigger turbo if you want.  

I have another turbo off another 01, but it only has numbers on it. How can I tell if its a hy or hx?

 

left hx right hy

6 minutes ago, Me78569 said:

 

left hx right hy

I will run out and check my collection. lol

 

I have 2 HY35 and 1 HX35W. I had the HX35W on the other 01 with the same mods and took it off because the EGT's were really high, like hit 1300 easily and above. It was a really laggy turbo too!

2 hours ago, trreed said:

The math is looking at the fueling capabilities of the truck vs. what EGTs you are seeing, the amount of boost you are seeing (used to calculate pressure ratios), the weight that you are towing, and what your preference is for spooling.  And then things like your 4.30 gears will factor into the equation in that you still might have EGT issues due to the rpms you will be turning on the highway.  In your other post you asked about a 63/70/12 turbo.  Doesn't make sense how II got those measurements because SXE turbos are offered with 68mm or 73mm turbines.   But if you sourced a 63/68/12, you would have enough air and fuel for ~500hp.

Ok, Industrial Injection just wrote me back 

"Sorry, I should Clarify. Our Viper model is the 68mm turbine wheel, the 70 in model number refers to the A/R of the Housing. The .70 A/R turbine housing is the same as the 12cm. It is just a different way to measure the housing.

 

Sorry for the Confusion."

 

The hx will be better than the hy for egts up top.  a 62 sxe would be good if you want to maximize the fuel you have.  

 

Any turbo you step up to will feel as laggy or more so than the HX35 you took off.  Reason being is the HY35 has a 9 cm^2 exhaust housing, which has excellent spooling characteristics, but chokes up top (hence your high EGT's).  The HX35 has the same .70 A/R (12 cm^2) housing as the Viper turbo you were looking at.  HX35 will spool better than the Viper turbo as well.

Last note, 1300* is just starting to get warm.  When the 1250* number was created, it was measured post turbo for an engine that was running at 100% load.  Pre-turbo temps are up to 200* hotter.  So I wouldn't even worry about the 1300*. But that's me and how I run my truck.  

Edited April 25, 20186 yr by trreed

Smaller the exhaust housing the quicker the spool but also caps out the maximum boost you can produce. So larger exhaust housing like HX35 at 12cm ² or like some custom turbos that have 14cm² will allow for more boost but the turbo lag increases. Just think the H1C turbo off the 1st Gen Cummins is a 21cm² exhaust housing without a wastegate.

3 hours ago, trreed said:

Any turbo you step up to will feel as laggy or more so than the HX35 you took off.  Reason being is the HY35 has a 9 cm^2 exhaust housing, which has excellent spooling characteristics, but chokes up top (hence your high EGT's).  The HX35 has the same .70 A/R (12 cm^2) housing as the Viper turbo you were looking at.  HX35 will spool better than the Viper turbo as well.

Last note, 1300* is just starting to get warm.  When the 1250* number was created, it was measured post turbo for an engine that was running at 100% load.  Pre-turbo temps are up to 200* hotter.  So I wouldn't even worry about the 1300*. But that's me and how I run my truck.  

This turbo I have the HX35W not a HX35 is there a difference maybe? I had it on the same style truck with the same set up as the other one and it had higher egt's is why I took it off. Do you think its because of the TST/Smarty with 110 injectors? Maybe if I just get a Adrenaline and first try it with the HY than the HX to see the difference? I am just guessing.

2 hours ago, Mopar1973Man said:

Smaller the exhaust housing the quicker the spool but also caps out the maximum boost you can produce. So larger exhaust housing like HX35 at 12cm ² or like some custom turbos that have 14cm² will allow for more boost but the turbo lag increases. Just think the H1C turbo off the 1st Gen Cummins is a 21cm² exhaust housing without a wastegate.

So basically you cant have the best of both worlds your saying, of course until I have twins. LOL  You either have to have a smaller housing for quicker spool  w/ higher EGT's or a larger one that gets laggy and lower EGT's at top end.

HX35 = HX35W in this context.  I just never type the W.  It is possible to have a non wastegated HX, and that would be a true HX35.  But for any HX35 that came off of a dodge truck, it is a gated version and I use HX35 and HX35W as synonyms.

It should have higher egt's when taking off due to the larger exhaust housing (slower spooling), but on the top end egt's should be cooler than the HY35.  My guess is you had a boost leak somewhere.  That tuning and similar injectors have been used for years on both HY and HX turbos.  If you get the Adrenaline, put the HX on and don't look back. The HY will continue to reach its choke point and you will still have egt issues.

Edited April 25, 20186 yr by trreed

U want a turbo get a Borg sxe s362 68 apg turbo has the  cheapest price they also cast their own exhaust housings I'm running one of there 14s and like it a lot it all comes down to what u do quad is the way to go for tuning tho 

If it wasn't for the exhaust brake I would jump for sure into a Borg Warner or something bigger. If my wallet was loaded with cash I'd love to have a custom made turbo that kept my exhaust brake but using more common sizes like the 62/68/12. 

17 minutes ago, Mopar1973Man said:

If it wasn't for the exhaust brake I would jump for sure into a Borg Warner or something bigger. If my wallet was loaded with cash I'd love to have a custom made turbo that kept my exhaust brake but using more common sizes like the 62/68/12. 

Hybrids arnt 2 spendy I ran one 63 67 12

@Dieselfuture had a hybrid built for like $800. An HX35 is also a hell of a secondary for towing, when paired with an s472 or s475, for when you do get compounds. Great response and supports around 500-525 hp with your current injectors and tuning. 

Edited April 26, 20186 yr by trreed

10 hours ago, Silverdodge said:

U want a turbo get a Borg sxe s362 68 apg turbo has the  cheapest price they also cast their own exhaust housings I'm running one of there 14s and like it a lot it all comes down to what u do quad is the way to go for tuning tho 

What exactly is thes362 68? Is it like 63/67/12 for example? Do you know a good place to get one? Thanks!

I am ordering the adrenaline with the v2 today to get rid of the tst smarty stack. I know I can sell this stuff to help out the cost. Next is still the turbo. I really appreciate all the responses!!