Which Secondary turbo

C

collinmaune

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Jun 29, 2012
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I am reworking my ford with a 12 valve in it. I am running 5x116 injectors with 215 pump 4k springs hx35 over s400(2wdpullers secondary turbo). I want to add more power since i just put the new injectors in the truck. I bought a s475 with the 1.32 ar housing for a good price. My question is now what would be a good top charger for my setup with the s475 on the bottom. Im wanting to street drive the truck but it wont be a daily driver
 
collinmaune said:
I am reworking my ford with a 12 valve in it. I am running 5x116 injectors with 215 pump 4k springs hx35 over s400(2wdpullers secondary turbo). I want to add more power since i just put the new injectors in the truck. I bought a s475 with the 1.32 ar housing for a good price. My question is now what would be a good top charger for my setup with the s475 on the bottom. Im wanting to street drive the truck but it wont be a daily driver
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Dayyyyyyum those injectors are HUGE! LOL

A 62 would work well for a secondary with that turbo and it will still be very driveable on the street. Tow friendly even.
 
I have an HE351 on top of my 75 and it is a fun setup for the street.
 
Would either go 62mm or 63mm and would say the sxe line would be a good route to go, plenty of options on housings and wheels and seem to be holding up well for everyone.
 
Yep HE351 for a good cheap secondary or 62/68sxe. Either will work well for towing / DD.
 
I've ran both an HE351cw and a 63/68 as the high pressure turbo over my S480 on my daily driver. The HE spooled better, and towed better in the 1800 to 2200 rpm range. The 363 tows better than the HE351 in the 2400 to 3000 rpm range. Basically, to keep the HE351 happy, I would hit hills at 80+ MPH in overdrive to keep RPM in the sweet spot whereas with the 63, I either hit hills at 90+MPH, or simply click down to 3rd gear because it pulls great at 65 to 70 MPH in 3rd at 2400+ RPM whereas the HE351cw would get hot faster in the 2400+ RPM range.

As far as HP, I'm fuel-limited and HP is so close, I can't tell a difference other than the S363 doesn't fall on it's face at 2800 rpm like the HE351cw. Inter-stage boost is nearly identical and depending on wastegate settings, I can make it go from 25 psi to 35 psi at full power with about 78-80 PSI total.

The HE351 was easier to do a brake-stand burnout because it lit faster, and it came to life earlier. In all reality, I'm surprised how similar they run, just moved the power band up 200 rpm or so.
 
Big Blue24 said:
I've ran both an HE351cw and a 63/68 as the high pressure turbo over my S480 on my daily driver. The HE spooled better, and towed better in the 1800 to 2200 rpm range. The 363 tows better than the HE351 in the 2400 to 3000 rpm range. Basically, to keep the HE351 happy, I would hit hills at 80+ MPH in overdrive to keep RPM in the sweet spot whereas with the 63, I either hit hills at 90+MPH, or simply click down to 3rd gear because it pulls great at 65 to 70 MPH in 3rd at 2400+ RPM whereas the HE351cw would get hot faster in the 2400+ RPM range.

As far as HP, I'm fuel-limited and HP is so close, I can't tell a difference other than the S363 doesn't fall on it's face at 2800 rpm like the HE351cw. Inter-stage boost is nearly identical and depending on wastegate settings, I can make it go from 25 psi to 35 psi at full power with about 78-80 PSI total.

The HE351 was easier to do a brake-stand burnout because it lit faster, and it came to life earlier. In all reality, I'm surprised how similar they run, just moved the power band up 200 rpm or so.
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Was that 63/68 the new sxe design?
 
Big Blue24 said:
I've ran both an HE351cw and a 63/68 as the high pressure turbo over my S480 on my daily driver. The HE spooled better, and towed better in the 1800 to 2200 rpm range. The 363 tows better than the HE351 in the 2400 to 3000 rpm range. Basically, to keep the HE351 happy, I would hit hills at 80+ MPH in overdrive to keep RPM in the sweet spot whereas with the 63, I either hit hills at 90+MPH, or simply click down to 3rd gear because it pulls great at 65 to 70 MPH in 3rd at 2400+ RPM whereas the HE351cw would get hot faster in the 2400+ RPM range.

As far as HP, I'm fuel-limited and HP is so close, I can't tell a difference other than the S363 doesn't fall on it's face at 2800 rpm like the HE351cw. Inter-stage boost is nearly identical and depending on wastegate settings, I can make it go from 25 psi to 35 psi at full power with about 78-80 PSI total.

The HE351 was easier to do a brake-stand burnout because it lit faster, and it came to life earlier. In all reality, I'm surprised how similar they run, just moved the power band up 200 rpm or so.
Click to expand...

What were your egts cruising on flat land. Cruising boost out of the he351 also. I had to run mine with OD off at 22k pounds. Really annoying at that rpm for 4 hours. 20* of timing.
 
What turbine housing was on your 63/68 bigblue24? To the OP I would tell you to get a 62fmw.
 
J-Pipes said:
Was that 63/68 the new sxe design?
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Old sx3 series 63/68, however, if you study the flow maps, the new SXE 63 gains like 1lb per minute over the old 63... essentially equivalent on the flow map on the high end and the new SXE 63 is mapped to a lower RPM so we can only guess on the surge line areas at low pressure ratio.

admcummin said:
What were your egts cruising on flat land. Cruising boost out of the he351 also. I had to run mine with OD off at 22k pounds. Really annoying at that rpm for 4 hours. 20* of timing.
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Highway cruising boost is about 5 to 6 psi with EGT checking in around 800* most of the time and ranging from 700 to 900 depending on the slope of the "flat" ground here in Utah....

56cummins said:
What turbine housing was on your 63/68 bigblue24? To the OP I would tell you to get a 62fmw.
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I have a .70 AR wastegated T3 divided housing.
 
Thank you very much for the info I'm wanting to study the s300sxe series more it seems like that is a good secondary from what I have researched. I talked to chris at Engineered Diesel he told me wastegates are a thing of the past. My question is do I get a gated t3 secondary or a non gates t4
 
My research says a 12v without a cam, city driving or towing, likes a t3, or a loose converter.
 
T3 is far too generalized. T4 .91 housings on the 68mm turbine spool very well on a 12 valve. Cams are not going to make up for piss poor head flow on a 12 valve either.

Money would be well spent on an He351cw if you can find a guaranteed good used one. Turbine wheels being burnt out or blasted out from engine parts are far too common in the core world for them. What Will had to say about his experiences speaks volumes on this.
 
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