Engine/Transmission (1998.5 - 2002) Hypertech programmer

[jpmutt]

I purchased the Hypertech programmer about a month or so ago. Truck is a 2000 Quad cab short bed 5speed. Basically stock except for 4in. exhaust, guages, boost elbow, and now the hypertech programming. I have it set at level three and am very impressed with what this thing does. HUGE difference from stock. Anyways... lately I have been noticing a lot more white smoke on start up and it's starting to cut out on accel. It's acting like another bad transfer pump or injection pump. I'm on my 4th transfer pump and third injection pump. Fuel pressure is 14psi @idle; 10psi @wot. Checked codes; P0602- ECM fueling calibration error; P0???- turbo boost limit exceeded. These codes don't really suprise me. I know I need to get a boost fooler, and isn't re-calibrating the ecm fueling parameters what the Hypertech is supposed to do? Maybe it isn't supposed to set this code. I was driving on Academy Blvd. the other day and stomped on it to pass some idiot and my truck backfired. It kept popping everytime I would mash on the throttle. I have to admit it was kind of embarrassing. It hasn't done it again since that day. I have erased all codes and have been kind of taking it easy. No codes have reset yet. Has anyone else experienced anything like this.

 

[JBlock]

I using a Super tuner from the other guy, no problem at all, but when I did the j hook on the turbo, I add a boost fooler, at the same time. You probaly having a lim issue with the over boost codes.



I got mine cheap in the classified ads.

 

[tabell]

Hey I just moved to CS three weeks ago I'm currently using the superchips programmer. It works great. If you want to see if the superchips fixes things PM me. I have hit 28lbs of boost with the super chips without setting the over boost codes when I was pulling my trailer to CS.

 

[jpmutt]

I originally bought the superchip programmer and it didn't work. It wouldn't program for some reason. I would get part way through and it would show "update required... call superchips". Well I took it back and exchanged it and the second one did the same thing. I got my money back and went and bought the hypertech model. I have a feeling I'm not getting enough fuel. It is running good now but the black smoke has turned into more of a white or grey. I might try running it at a lower setting (I'm at level three now) and see what that does. I kinda wish I would have just ordered the EZ, but I am cursed with impatience. It really is not a huge issue at htis point but I expect to see future problems. I am really wanting some big horsepower and don't really think the hypertech is going to be enough for what I want to get. I guess I'll just wait and see. Injectors are coming soon, I hope.

 

[cyborg]

I installed Hypertech on #3 last night. The intake and exhaust mods were done.

HELLLO CUMMINS!!! Now that was worth it. Fast, easy and cheap. Like my ex-wife.



My concerns are the overhead computer is showing a dramatic increase in MPG.

Transmission shifts different, no opinon if good or bad, just different. For now.

 

[RobertMiller1]

JP, it's the overboost thats causing your problems. If you limit your boost, and run the hyperhipcs (after resetting the codes) it will probably run great. Get a boost fooler before you put the elbow back on.





tabel, that is good news. I have the J-hook from TST ready to install, but wasn't sure if my superchips reprogramming would allow for the increased boost. I too am looking for about 28 lbs to cool off things with my Superchips in max setting. I want to get my tow ability back. I figure this plus a 4" exhaust from summitracing ought to do it.

 

[jpmutt]

Where can I get just a boost fooler? I am hitting about 26 psi, and egt's have never gone much over 800. The 4 inch cools things off really well, especially without a muffler, etc. I tow with mine on level three and have had no problems keeping egt's low.

 

[RobertMiller1]

over 50 disease... can't remember. I think TST has one. Do a search on this board. I think I read that Tst had one for about $125

 

[RustyJC]

Where can I get just a boost fooler? I am hitting about 26 psi, and egt's have never gone much over 800. The 4 inch cools things off really well, especially without a muffler, etc. I tow with mine on level three and have had no problems keeping egt's low.

800 degF post-turbo, right? If so, you can add as much as 500 degF to convert this to a pre-turbo EGT when towing under heavy loads - this from data presented by individuals who run both a pre-turbo and post-turbo thermocouple. FYI, my 2nd generation HO would hit 1300 degF pre-turbo EGT's stock.



My point - with all respect, your 800+ degF EGT may not be as cool as you think!



Rusty

 

[RobertMiller1]

I thought you would be hotter post turbo???

 

[RustyJC]

The turbo works by extracting energy (heat, pressure and velocity) from the exhaust coming out of the cylinders. Therefore, the exhaust in the manifold will be hotter than the exhaust coming out of the turbine section of the turbocharger since heat energy has been extracted from the exhaust gas.



Rusty

 

[Tcolesanti]

Remember, hot exhaust gases propel the turbocharger, it extracts the heat from the exhaust to use for energy. Post turbo temps are dramtically cooler than pre turbo. I believe 950 degrees is max for post turbo.

 

[RustyJC]

I believe 950 degrees is max for post turbo.

That would be as much as 1450 degF pre-turbo EGT! I'm not trying to alarm anyone, but there was a recent thread about an individual who roasted an engine because he thought 950 degF EGT's up a long grade dragging a heavy trailer were fine, not knowing that he was looking at post-turbo EGTs. I'm just saying that, based on actual data, the old +200 degF or +300 degF rule-of-thumb to convert post-turbo to pre-turbo EGT has been proved inaccurate. At idle, the difference can be almost nil, while at maximum load, 500 degF delta T has been observed.



With my mods and pulling a heavy Doubletree Mobile Suites 36RE3 5th wheel, I drive by the pyrometer, especially in the 100 degF summertime ambients here in Texas. I try to limit my instantaneous peak EGT to 1300 degF (the stock maximum) when accelerating onto the Interstate and sustained EGTs to 1100-1150 degF when pulling up grades.



Rusty

 

[RobertMiller1]

typical... i had it backwards...



I monitor mine pre-turbo. With the SuperChips at max... supposedly where you cannot tow or have heavy tool boxes... . I have never gone over 850. I'm looking to be able to pull factory rated tows on this setting by going to a 4" exhaust and increasing boost from 20 to 28-30 psi with tst j-hook to cool things down and see if that won't let me keep the power setting.

Failing that, I will consider water/meth injection.

 

[RustyJC]

typical... i had it backwards...



I monitor mine pre-turbo. With the SuperChips at max... supposedly where you cannot tow or have heavy tool boxes... . I have never gone over 850.

Robert,



If that's the case, either the truck is horribly underfueled or you have instrumentation problems. Could you possibly have a rock lodged under the long, skinny pedal on the right?



With my Edge EZ and boost elbow, running stock injectors, I would hit 1100 degF pre-turbo EGT at 30 PSIG boost. Stock, the truck would hit 1300 degF pre-turbo EGT at 21-22 PSIG boost. Cruising down I-10 at 70 MPH towing our 5th wheel in the truck's current configuration, I'm running 12-13 PSIG boost and 700-800 degF EGTs.



With all respect, are you sure your thermocouple is in the exhaust manifold? If so, is it installed such that the tip of the thermocouple is centered in the manifold passage?



Rusty

 

[RobertMiller1]

oh contrair... . it runs like a scalded ape. But you are towing I am not.



cruising down I35 at 65 i am doing 650 egt pre turbo



Thermocouple is installed perfectly. I am quite familiar with overhaulilng engines, and also diesels. My off road vehicle is a custom diesel 86 Trooper I built.



I seldom ever do a full throttle run. . I may do a brisk part throttle accelleration going up an incline 70mph and the temps can jump up to 850 , but this is empty truck not towing. In current superchips setting I am not supposed to tow at all. It is obvious If I were to pull a large trailer, it would spike into danger zone very very quickly.



But I'm not a hot rodder of trucks. I would have kept my hot rodded BPU 94 Toyota Supra Twin turbo if I wanted to blast around at 0-60 in 4. 3 seconds.

 

[RobertMiller1]

the thermocouple goes into the aluminum manifold on the drivers side of the engine. Right?









j/k

 

[RustyJC]

I seldom ever do a full throttle run. . I may do a brisk part throttle accelleration going up an incline 70mph and the temps can jump up to 850 , but this is empty truck not towing.

Then we're talking apples and oranges. Unless you run the truck at full load, you don't know what its peak EGT is. 850 degF is just the EGT at whatever arbitrary level of performance you've selected as a maximum and isn't really comparable to the data obtained by those of us who work our trucks. In that respect, it's not really valid for comparison.



Rusty

 

[RobertMiller1]

Just wanting to do some mods to eliminate the constraints SuperChips has on load and tow with it set in max mode.



I think if I cool things down... additional boost 4" exhaust, I should be able to leave SuperChips in max mode, and be able to do some towing.



On occassion I do tow, but I have to reprogram to do it safely.

 

[JyRO]

So many goodies out there ... what's a gal to do? Guys, wouldn't this hypertech tool basically do the same thing as Marco MAD CaTCHER ECM? Actually the parameters will be different, but the purpose or idea is the same. Right? I'm gonna go ask Marco, but what's your opinions?



- JyRO