Quick question

[F-127]

So I got another pair of definitions files to put PHP tunes in my dad's and brother's pickups and noticed something as I was going through the files to make some 'standard' tunes(hi idle, whisper). For the files for an AEB3 pcm(TOAA5Z5), I just happen to see that the engine displacement under parameters was .035 liters. Of the 4 of my other MDFs, all list the correct displacement. So my questions are: Is it 'supposed' to be incorrect? And out of curiosity, does it even matter/is it used for anything?

Side note: Its nice having Minotaur back, hard drive went out about at Thanksgiving and just got to getting it re-registered. Makes it easier to follow along discussions. :thumbs up yellow:

[cleatus12r]

Fuh-gedda-bowdit!!

It's all good. Don't worry about that parameter.

Hey, if you want some kick-a$$ tunes for that 02 manual (AEB3), give me a shout and I'll send a couple your way (don't worry, I don't charge!).

[F-127]

Thanks for the response. I checked this before he started installing and he finished after I left. Called and needless to say he was pleased with the tunes, although I think I'll still take up that offer for a future time. PM sent.

[cleatus12r]

I just remembered.....

You probably already got quite a few tunes with your new definitions. There isn't a need to get something to start out with.

[F-127]

Yeah I got some tunes to start with(I saw your response shortly after you posted). Now another another question. Although I can't guarantee my accuracy(used MSN autos as a reference being I'm away from the engine's valve covers), a '00 manual is 235 hp factory, '02 auto is 250 hp, and a '02 manual is 275 hp. Are the HP for the tunes provide based off of factory ratings? ex. 100HP on '00 manual is 335 while the '02 manual is 375? Just comparing from those two with the software, it seems like there wouldn't be a 40hp gap between them.

Still haven't made any major mods to any tunes. Got some things in my head about tuning for different injectors on my older pickup but haven't made the purchase to get the fire going under me yet. Liking some features that I'm finding while still grasping the software, especially the scale feature with pivot, etc. I'm thinking that'll come in handy for injector mods.:rolleyes:

[cleatus12r]

Yeah I got some tunes to start with(I saw your response shortly after you posted). Now another another question. Although I can't guarantee my accuracy(used MSN autos as a reference being I'm away from the engine's valve covers), a '00 manual is 235 hp factory, '02 auto is 250 hp, and a '02 manual is 275 hp. Are the HP for the tunes provide based off of factory ratings? ex. 100HP on '00 manual is 335 while the '02 manual is 375? Just comparing from those two with the software, it seems like there wouldn't be a 40hp gap between them.



I am not sure about Bill's method. I don't even rate my programs by power; they are strictly feel and drivability-designed. Although I have used an old Evolution and a program called Speed Tracer to get some baseline power numbers, I still don't denote any power numbers. I have a dyno available to me but I choose not to put a truck through that abuse.......besides, it's hard to get a better way of drivability and feel other than actually driving the truck. Maximum power numbers aren't important to some folks.

I know how the factory changed their ratings between the automatics and manuals, but most of that stuff changes with aftermarket tuning.

[907DAVE]

Why did the factory have higher HP on the manual trucks?

[cleatus12r]

Probably for a couple reasons but this one comes to mind first:

The manual transmission is more durable.


Other reasons may have included the automatic transmission's perceived better performance due to converter fluid coupling slippage and torque multiplication vs. the manual that really doesn't even start to get out of it's own way until 1800 RPM.

[F-127]

So here I am with another question which is unrelated to this past question, but I thought I'd just as well post in here instead of a new thread.

I was looking through some files for an OBS Auto(TDE1) so that I might find some convincing changes I could show someone who is interested in getting a chip for their truck. So I come across the inferred throttle position map and it doesn't seem right.

http://i388.photobucket.com/albums/oo322/tshs299/Inferredthrottleposition.jpg

Picture 1 is the stock file. Picture 2 and 3 are modified by myself to be what I think might be right. What came in the MDFs would be picture 2, except imagine "Area A" to look like picture 1. Maybe this is just another thing I'm worried about which doesn't matter, but nevertheless I got some enjoyment and experience "smoothing" a map from picture 1 to 3. After looking at other MDFs at the same map, if I had to guess which is right I would say either the way the file came or picture 2 as shown?

[cleatus12r]

It's always looked that way for me.

I have never had a need to alter that map so I haven't cared. The one for the manual trucks doesn't look much better....kind of resembles a set of stairs.

Sorry I don't have an answer for you though.

[F-127]

Ok, that's what I was looking for, just to be sure that what came was normal and I wasn't alone. So is actual throttle position used in calculations or does the computer use the values determined from this chart?

[cleatus12r]

Don't quote me on this, but I believe that the Inferred Throttle Position map has to do with cruise control operation....The axis are kind of reversed from the normal MFD map and it makes sense to me how that would be the case. However, I can just about guarantee that your cruise control probably works just fine, right?