carls1982z

i was sent back here from crossfire vault, hope im in right forum.---i recently purchased a standard prominator for my [7747] ecm too go in my 82Z with the crossfire set up.[ecm from truck]------and was told this is the place too be for tuning and getting possable bin files ???? and info. was told i just needed too post what ecm i had. can anyone help, ??? gladly give my eng and specs, just ask. thanks carl

Wingnutt

The first place to start is to use the search engine. If you overload it (they don't have it quite right yet) read the sticky on the search band-aid. Speaking of the stickies, that is the best place to begin. The mods have done a terrific job of gathering most all of the threads that most folks ask about into one place. Read them, then reread them a few times. I am in the process of printing them out and putting them into a three ring binder for future referance.

carls1982z

I have received two binfiles too try in my 82 Z. with the prominator and a 7747 ecm.---using a stock bin for the 7747 ecm, veh has major hesetation, sluggish and backfire into intake, I READ data with wndl and see the bock learn cells show what i call good, ??? 108.0- up too 135.0.----put in another bin and runs alot better except for major idel flare and hunt and stalling untill u drive it awhile then ok. shut off and restart and its back. i now read blm cells and it shows mostly high # 171.0 under no load and slight load, then u get into it and they go to around 125.0.--------could thos high # mean its not getting enough fuel and that im lean and thats why i have the start and stall and idel flare ?? or am i WAY off here.-------ps its a crossfire injection.

RBob

iTrader: (1)

Carl, I recall your previous post. I thought you were looking for a x-fire bin, sorry about that. For '747 bins there are many of them to chose from. I like the ARHT bin as it is a 5.7L stick bin, '89 release. Not so early that it has too many issues, and not so late that emissions kills it.

Only issue I see is that it (and any other bin) will need to be tuned. Make sure that your fuel delivery is good. Then start tuning the VE tables in. WinALDL works OK on stock stuff.

RBob.

carls1982z

ive been told by a few people from this sight and other to use my standard tuner pro, too find [ delta tps vs accel pump usec ]-----reason is because of bad hesetation when jumping into it and back fire into intake.------CANT FIND IT, AND search at highest level setting, ???-used the tool, search and that come up with nothing, ???????--im new too this but WHERE IS IT.-Any one know a answer. thanks. carl

carls1982z

im still looking for [delta ACELLPUMP USEC,]--------ANd it doesnt show up on my standard tuner pro, any one know why, also dont see others like VE as%[fl1]---------where is it or am i missing something, also where can i get the bin ARHT For my 7747 ecm, HELP

michal_larson

i have the BIN file that you want, it aprears to be for a stick shift. are you still running a 305 in there? if you are, you need to turn your BPW up from 135 to at least 148. i put a 747 out of a truck in my 305 camaro and it did the same thing

carls1982z

ive been trying too tune in my blm ang having hard time [doing wrong] ??? I turn off car at temp, turn on winaldl, set blm too aver, start driving in diff gears at dif map/rpm. is there i time limit to see #s then adjust too them in VE TABLE. ?----SEEMS RICH AT ONE TIME THEN LEAN ANOTHER.--seem ok at times [124 too 132] but if i keep in a certain gear and map/rpm for period of time they either start going lean or rich after in that rpm/map for awhile ?????.---------also in tuner pro i see there is a % tps closed possition setting,-- how do you know what too set it at. my car is a crossfire with 7747 ecm, and turbo 350 trans, w/lock up.---my current setting is 1.17 if i remember right. thanks , carl:---:gocrazy--arht bin where is it

michal_larson

here is the bin file, you will need to up the BPW from 135 to 148 for a *cross-fire* 305 camaro
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dang this is tough lol

carls1982z

thank michel, but have a 355, and have it set for correct bpw.--------but still need too know on tuner pro reading my 7747 ecm, as where they state % TPS CLOSED POSSITION, what determines where you set it, or what it effects if you raise or lower ??? my car is auto, turbo 350, lockup, if that matters.---my current % tps for closed is 1.17

michal_larson

1.17 is stock, i think i messed with mine and now its at 2.34 or something, not sure if it has done anything noticable

carls1982z

thanks on the min % tps setting.---------now im going nuts trying too get my blm in line.---i start veh at temp, start winaldl, set it too wide aver,--WHEN i start reading cells in winaldl some show a little lean, others on rich side, but ikf i stay in a certain map/rpm for a while they will either start going too rich or too lean, ???? cant get any where with it ??? 02 seems fine and is switching.----also i was told the VE TABLE[SECOND ONE] ON TUNER PRO WAS for upper rpm, ??? i see lower rpm is listed ??? newby here lol, dont know anything about where i should set it or what determines where i set lower rpm too there ,if its for upper rpm adjust

Fast355

iTrader: (2)

IIRC, the crossfire setup uses two IAC motors. If they are of a similar size to the standard TBI ones, I would decrease the IAC counts needed by 1/2 and slow the amount of IAC correction. My guess is that there is now 2x as much IAC area. The ECM will be continually overcorrecting the idle speed causing it to hunt and surge at idle.

carls1982z

so is aic counts listed as park possition ?? and how is correction listed on tunerpro with my 7747 ecm ???--------also im putting in my new regulator spring tomorrow, and putting in stock VE TABLES TOO then try and get my blm in line that are right now very ??? eratic ??? high one min lean another min , going nuts.---any suggestions, or i can post my eng mods if needed. thanks guys

carls1982z

have my ais motors all set, bpw and fuel pressure all set.---------I GIVE UP on this blm reading. started with stock ve 1 and two, and lowered it by 0.95 because shows rich.-------if i run in third at diff rpm/map the initial hits are good [125 too 131]--but if after it hits a certain map/rpm and i stay there, they start climing too lean[142] ????????????----------keep it rich on init hit ??? ----i dont know.----02 shows fine and switching ?? any suggestions would be great.

michal_larson

is your smog stuff still on the car? an exhaust leak is a possiblity.
----------
and make sure your air divert valve is putting the air from your smog pump threw to your converter AND NOT TO YOUR EXHAUST MANIFOLDS.

carls1982z

It has no exaust leak, no smog junk.---as of today in city, i loged and see at 37 mph it read 120 blm with very slighty on gas,--let off and back to idel it jumps right away too 145 blm. ????and then if i give a slight amount of gas[tiny] it jumps quickly too 120 again ???----if cruise at higher speeds at a certain rpm/map it goes lean, if i stay in that rpm/map.---the initial hit in the cell may be good, but will go lean if i stay in thaT map/rpm.----lost,-frustating.

Ronny

iTrader: (1)

Carl: are you getting sufficient hits in those troublesome cells to be considered adequate? i would think you need 30-50 hits to have a valid BLM to consider. can be be assured you are using wide average in winALDL?

carls1982z

rronny, as i drive veh. do i then save and then read blm ??? not sure on what you mean on the hits ?? read what i saved on the blm, and read across the board at a certain map/rpm ??? havent been playing and learning too much on this reading and adj, lol------also been trying too figure out my surge ?? when im off gas it feels like your applying e brake on/off---then if i slightly on gas its gone

Ronny

iTrader: (1)

yes carl. you save the log. then read it later. i logged last night. i looked at wide average and wide latest. they were pretty much the same.
there is another area in log that tells you how many readings were obtianed. i will say the rpm/map that is driven in the most in my log had 40-70 hits. those are valid blms. i had some that were 10-20. a few 1-5. in a normal drive there are some cells that are not in long enough to see a BLM read.

as a point of interest in CL my idle is erratic and pulses up to 1100 and down to 600. runs 20-40 map 600rpm/20 map and iac catches the low rpm and opens and i see 1100/40 map. i am getting no hiot at 600/20 map. no blm. but during this episode i see my WB read 19/1 at the 600 rpms. i burned a chip and will add a lot of fuel (10%) in the 20 map area 400-1600 rpms. trying to run CL as i think OL is hurting my gas mileage. but car runs better OL. no pulse on idle. and in tip in less hesitation b4 ae event comes.

now my plan is to log blms with wb alone. in wb log is rpm and map and A/F in REAL TIME. i think the NB blm log is not as good as it should be. since i dont not have cold air nor IAT(yet) BLMs vary by engine temp and underhood air temp in CL. if i run OL i can set A/F where i want it for engine warm state and assume 75 deg air temps.

carls1982z

---been tring too get BLM IN LINE.--seem good at times while crusin, but at a certain map/rpm if i stay there for a period of time they will start too go on the lean side ???-also if sitting in drive they start going way too lean,??? any thoughts.

lakeffect2

Carl, I'm also a newbie here and have more questions on your situation that others could help answer...

When you lift up on the gas pedal you mentioned your BLM rate jumps up to around 145.

Q. Is it possible at that point you are enacting or enabling a deceleration enleanment portion of your program?

It would seem to make sense (admittedly in light of what little I know) that without an enleanment program, when you lift up you would be cutting off the air, and therefore the AFR would be RICH (lots of fuel, less air) The point you make that you are going lean instead makes me wonder WHY. What has your foot affected in the process to make it react in that manner? A Deceleration Enleanment factor would seem to make sense. But maybe it only makes sense to me, another newbie who doesn't know jack about it.

Second Q Is going leaner under that circumstance a bad thing, or part of the engine management philosophy from GM to conserve fuel?

Again I DON'T know the answers, and won't pretend to know them. I just have more questions.

carls1982z

yea on that blm reading, where on winaldl do you see the hits for a certain cell ?? i see where they show one hit at a certain map/rpm but dont see where ya go too see multiple hits dummy here i guess lol---------and on that ARHT BIN STATED EARLIER, says its for a stick ?? can it be used for auto, but just tune it, and/or is there something that should be changed before using in automatic

Ronny

iTrader: (1)

Carl. you need to locate a .bin for an automatic. the spark tables are differrent for sure and TCC and all that.

the hits will be shown after you save the winALDL log. if you scroll down a saved log you should see them. all the tables will be saved for review.

carls1982z

yes i saved the wide aver blm ,but there is only one reading per map/rpm.-------or do i use wide # samples.-----maybe i should play more , and search lol before posting.

Ronny

iTrader: (1)

wide # of samples are the total "hits" or reads for the BLM. so if 50 samples that is the wide average that is shown in that BLM cell for those 50 hits. i use wide average and also look at latest average and compare the two. not sure what you are looking at but i presume the BLM could change frequently as you drive but again i never paid much attention to changing blms. i just look at WA after a logging session and make a moderate change and sneek up on 128 rather than a large change.

carls1982z

So im logging my BLM, and they show rich[120]---i seen where some people have no ##s in thier VE 2 TABLES ON TUNER PRO, and was wondering if this was correct ?--and the procedure too do this and why ??--[they were the lower RPM ON VE2]--IF I lower mine at those ve2 , because i show rich i get very rough idle. ???-any help would be great.

Ronny

iTrader: (1)

it is done for convenience. otherwise when you need to correct a wayward BLM you need to change both tables. i had mine zeroed out for a while but recently placed a 5 in all that were zeros as it was suggested it is wise to do so. i am only adjusting table 1 still and i leave #2 alone.

carls1982z

so ronny, and everyone,--so if i have too say lean out a certain cell,example [120/128] do i do the exact thing with my ve 2 table at that rpm. ??? or is it configured diff.

Fast355

iTrader: (2)

Here is what I use. VE1= VE1+VE2 x correction factor (New BLM/128) then subtract VE2 out. I use VE2 for a global adjustment and VE1 to fine tweak.

carls1982z

got confused on your math fast,--so if say im 120 at a certain map, and want too lean it closer,- do i ADD ?? VE1 AND VE 2 - them divide that total by 128 - too get my spec too mul;tiply the ## in that map cell ???-----------sorry im terrible at math. lol.------------aLSO, while im here, been chasing what i call a surge in rpm.---on light cruise, or decell the rpm surges about 300 rpm, and get feeling of e brake being applied on/off.-and if reving lets say to 1900 rpm and holding, it surges, - and also at idle 90% of the time.---orig thought it was my blm adj, but its not getting better as i get blm in line.

Ronny

iTrader: (1)

this is why many zero out the VE2 table. makes the calc easier. then you only deal with VE1. however if you zero out VE2 you need to place that value in VE1. fatten 1 up. i have done so. however it was said to leave a small value in VE2 by others on this forum. i did so and placed 5 in all those VE2 values that were previously zero. i dont have my program here at office but i believe certain cells in VE2 cannot be zeroed. maybe FAST can remember which they are.

carls1982z

ok, heres where i am.---been trying too get blm in line using the asdu bin for my crossfire. seem they were in area of 125 too 135.---Car started too get major knock counts and oil use. [oh know]---found i broke all my valve springs and they took out the seals.[fixed]---But seen the plugs were ash white like its lean. ???------i richened up the VE tables as of now, because of not wanting too hurt eng. should i go with the orig fuel settings and blm in line some what i dont know. ???---after putting in the stock ve tables from the asdu bin it runs better [cold] smooth running, as too when i had them leaned out too corr blm. ????? aim for 110 blm ????--------ALSO now today i read blm and they were showing a steady around 116, and then cleared table and then get complete diff readings 128, . How do you start blm reading exactly.?---i start veh, then open winaldl, then i hit configure too make sure i have right ecm, then i go too blm, and set to wide aver.----am i going about it wrong.-------also, i have my heated four wire in my edelbrock tubulars in a bung down stream, if you all need too know.[edelbock said put it in left manifold]---should i do this since im using a 7747 ecm in my 82 crossfire. ???

carls1982z

help, read my last post and others.

Downzero

If BLM is within 125-135, isn't that within the range that the computer can correct by itself?

I'm trying to gather as much information as possible before I attack the tuning for my truck.

Ronny

iTrader: (1)

absoluetly. however 125-128 accross the board is better.

Downzero

Sounds good.