StepsideStroker

Hello. I have a 383 TPI speed density setup.
When I built the motor, I had a comp cam 08-300-8 which is a 206/210 @.050. I had a chip burned for this setup, but the cam was too small and I also had to put larger chamber heads on to drop compression. Now I have AFR 190cc heads, and a comp cams 08-503-8 which is a 224/230 @.050. Right now I am using the chip for the old cam, and it is running like crap, stumbling all over itself when I give it some gas, and backfiring in the exhaust tubes. I don't want to pay lots of money for a new chip if it's easy to burn myself, but I don't know much about writing the file. I am good with computers, just haven't done this before. What exactly needs to be modified for this cam and bigger injectors? My full setup is as follows
Stock throttle body, intake, and runners
08-503-8 roller cam
24lb ford motorsport injectors
190cc AFR aluminum CNC ported heads
vats disabled
EGR disabled
Manual transmission
no electric fan
true 2.5" dual exhaust with full length headers, no cats
no smog pump
A/C

With this info, what does the bin need to be? There's alot of tables I have no idea about, spark tables, etc. Does someone have a bin for this setup, or is someone really good that could write it for me? Or atleast give me some tips? Thanks

TheGreatJ

If you want to learn to do it yourself, it's gonna take some time invested. Read all the stickies in this forum (and I do mean ALL of them.) Download a tuning program and a couple of bins and just sort of play around with them a bit. Familiarize yourself with what's there, and try to figure out what does what as much as you can. Then buy a burner and some chips, read the program that's on your chip now, and start making changes.


I'll go ahead and tell you right now.....this board is VERY DIY-oriented. No one here will write a bin for you, and no one here is going to tell you exactly what changes need to be made. That defeats the purpose of doing it yourself. These guys will help you learn, but they won't do it for you. At least that's the impression I get from reading the forum for the last 3 months.

gta324

1.Download tunerpro (free) and play some with it....
2.Buy a burner, memcal adapter, some EEPROMS or a romulator (www.moates.net)
3.Get a ALDL scan cable (buy or DIY) and learn the basics about reading a scan (BLM,O2,TPS BPW,MAP,RPM...)
4.Buy a laptop and start scanning

then start tuning, take it slow and take notes, Good luck


Some basic changes for your setup to start with.

- Injector size
- cylinder size
- Raise the idle 800rpm in [D]
- increase the closed throttle SA
*Be prepared to lower the VE table in the idle areas

Z69

Some people run 30's or 36's with that combo.
Some adamantly argue the sufficiency of 24's....
And also can't get some of those dead spots to go away I'd imagine....

You'll need to watch your DC and adjust your FP....

You can get all the hardware you need from Moates.net.
Up to you to learn.
There are a number of posts in the last 6 months for
starting, idle, cruise and wot tuning. Plan on a day or two of reading.
Oh, get a wide band and save yourself some headaches.

Don't know if this will work or not, but you might try putting the low kpa #'s in your VE table in the higher kpa numbers where your idle will be. Move the 40 to the 60. which is where I'd guess your idle should be. Although, with those 24's...

plowboy77

You may wan to check this out in addition to reading about tuning.
https://www.thirdgen.org/techbb2/sho...r&pagenumber=1
or just do a search on PROMinator
looks like a good deal to me.

MTPFI-MAF

Dont forget about the AutoProm Read This Also. https://www.thirdgen.org/techbb2/sho...hreadid=201015

IRACE87

Quote:

Some people run 30's or 36's with that combo.

Ya but since he has the stock throttle body, intake, and runners if he already bought the injectors he should be good to go (for now). But if he plans on any upgrade later on 36's is the way to go.

PAT

1bad91Z

iTrader: (1)

Those 24 # SVO's are plenty sufficient.

There are mustangs running 10's in the 1/4 mile with 19 lb. injectors.

I've seen blower kits come with 36 # injectors.

Nice cam by the way!

nape

iTrader: (1)

How big was the fuel pill in the nitrous plate though

It's not N/A or FI 10s. I could run on stock 22lb injectors too if I was spraying an open line at it with a 2800lb car, but why chance the injectors going static?

Yes, 24lb injectors will probably work with his setup if he says with a TPI based intake. I'd upgrade though if he gets an intake that breathes at higher RPMs.

mwfrels

Just what exactly is that value in the VE tables? I am currently doing some tuning for the SDPC TPI 350 I replaced my 305 with and the AUJP bin(stock) I am using is very lean at all RPMs. The impact of my changes would probably be more understandable if knew EXACTLY what that number meant.

Sorry for possible hi-jacking this post but the search engine for the boards won't let me use VE in my search because it says their is a three character minimum.

gta324

Volumetric Efficiency

/N.

mwfrels

Yes, I understand what the abbreviation stands for but what are the values in the table a measure of or unit for? Like, 32 of what?

3.8TransAM

19#'s in the 10's?

They were static and they were fueling the rest thru the NOS setup :-)

nuff said
Jeremy

gta324

32 of 100

search for BPW and you will find a formula for BPW and how the ECM uses the VE value.

/N.

Z69

Get the ANHT hac and search like posted above.

While 32 of 100 is correct. Don't try and put a % sign in there. Think of it as an arbitrary number. Different setups will have different ve # in the table, and won't necessarily match the actual engine's ve.


10's with 19lbs
Just because they did it doesn't mean you should. Or could. Better places to save money....