What kind of boost/EGT's do YOU see?

[fsr7]

That reminds me - I have a ball bearing in the little rubber wastgate line on the 7.3 stock turbo that should stop the function of the wastegate - thats not in the sig

 

[Diesel JD]

Interesting project. I think it might last pretty long if you have an intercooler and head studs plus newer head gaskets. I'd invest in turbo pistons and rods and try to reduce the compression a bit since it would be a custom build anyways. Wish I had some numbers....soon but not yet

 

[82F100SWB]

Currently, with some leaks on the pressure side, mine runs 12 psi tops, and even with spinning 3500 in 4th for miles, I've never seen the EGT's past 800.
Back when it was -40, I could make 16-17 psi pretty easily, but, the leaks on the pressure side weren't anywhere near what they are now.... I buggered the studs on the DS manifold trying to tighten it up...

 

[jauguston]

On a long hill in 2nd OD and the propane on 14 psi and 1200 - 1225. Never any smoke.

Jim

 

[tonkadoctor]

I can't get any boost readings on my N/A IDI

 

[towcat]

check out this threadhttp://www.oilburners.net/forums/showthread.php?t=17109
mel-
you wanna merge the two threads?

 

[Compu Doc]

I can't get any boost readings on my N/A IDI

You think you have it bad?. I can't even get any EGT readings on my NA 7.3 let alone boost numbers .

 

[Agnem]

check out this threadhttp://www.oilburners.net/forums/showthread.php?t=17109
mel-
you wanna merge the two threads?

Neat idea. "****"

 

[yARIC008]

I can't get any boost readings on my N/A IDI

Ah, believe me, you're getting boost, just not in the intake manifold... only in the piston, where it counts The lovely valve overlap does wonders

 

[Russ]

I can't get any boost readings on my N/A IDI

Tonka your ICP sensor must be screwed up

 

[tonkadoctor]

Tonka your ICP sensor must be screwed up

So that's why I havn't had any power lately, this must have caused my PCM to go to its default setting,

 

[towcat]

The stormtroopers have perverted this thread....
Bringing it back on track.....
Did a quick hop to Reno, NV and back yesterday. While running 8k gross, 6lbs boost, 6%grade, at the 7277ft level, 5th gear, approx 2200-2400rpm, roughly 70mph, I managed to top out at 800 deg on the pyro Plenty of throttle left and no lack of butt-o-meter power. Oh yea outside temps of 90deg. On my way back, I saw the same temps at the top of 580w/b @ North Flynn rd. Cruise was engaged. Total trip miles 526. 37gallons consumed. Not the greatest mileage, but I drive the way I like to.

 

[Diesel JD]

Not bad mileage for towing and driving fairly fast though

 

[Jim73]

Boy, hearing the EGTs you guys with ICs are seeing, I REALLY want one...

Wastegated ATS, stock pump (turned up per ATS specs) and injectors with 109k miles, pulling a 6500 lb TT, I could easily see 900 on a post-turbo Isspro pyro install on most of the grades on I-5 northbound in CA and OR (through Shasta and the Siskiyous) last summer. I'd back off slightly as she passed through 850 and never exceeded 875, but I had lots of pedal left and was completely EGT-limited (Again, this is a POST turbo thermocouple location. Yeah, I know - I was lazy; the fitting was there when I got the truck.). I have been pleasantly suprised by how instantly responsive the pyro is in the downpipe location - from what guys said I was expecting the lag to be terrible.

No boost numbers, since I ended up putting a REAL coolant temp gauge where I'd planned to have boost after a very hot and scary trip when I learned about the poor accuracy of the stock temp gauge system. Maybe later this summer I'll install a few more gauges - boost, trans temp, oil pressure...

Driveway idle, after full warmup, drops to 200-250 if I'm patient (normally shut her down around 275 when cooling the turbo down, though).

Running light, moderate grades, normally see 600-650 at 65 mph or so.

Jim

 

[Darrin Tosh]

When hualing the rig last weekend it I cruisng around 7 PSI, when I hammered it, the needle would PEG 15 PSI (maxon the guage) with the propane on. I can usuallyl hit 15 about anytime even without a load. I usually keep it under 12/13 when hauling.

Pyro was running around 950.