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Author Topic: a couple Crome tuning questions  (Read 9486 times)

SloS13

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a couple Crome tuning questions
« on: February 11, 2010, 10:14:00 PM »

I definitely need to set my injector battery offset for my SRT4 injectors on a b-series.

Couple questions:

In Crome, there's an 'offset' in the advanced table in fuel tools.  Is that it?

In Advanced tabes, there's 2  Injector battery offset things (Stock) and (Advanced).  I've got shit in there for stock, but not in advanced.

So...should I be fucking with the (Stock) values or the ones in fuel tools.

On a possibly-related note, im having to run a .72 multiplier (way higher than I would think I would need) to get them to idle @ 14.x AFR with a 0 offset.

Should I try and find the correct offset, then adjust my multiplier or visa versa?

I hooked up a voltmeter to my cig lighter so I should be able to figure out good inj batt offsets which I'm gonna do tomorrow.  Got confused and quit for the day.


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Minor Threat

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Re: a couple Crome tuning questions
« Reply #1 on: February 11, 2010, 10:36:59 PM »

I definitely need to set my injector battery offset for my SRT4 injectors on a b-series.

Couple questions:

In Crome, there's an 'offset' in the advanced table in fuel tools.  Is that it?

In Advanced tabes, there's 2  Injector battery offset things (Stock) and (Advanced).  I've got shit in there for stock, but not in advanced.

So...should I be fucking with the (Stock) values or the ones in fuel tools.

On a possibly-related note, im having to run a .72 multiplier (way higher than I would think I would need) to get them to idle @ 14.x AFR with a 0 offset.

Should I try and find the correct offset, then adjust my multiplier or visa versa?

I hooked up a voltmeter to my cig lighter so I should be able to figure out good inj batt offsets which I'm gonna do tomorrow.  Got confused and quit for the day.




Use whatever multiplier it gives you, adjust offset as you need to to get the car to idle at 14.7

The advanced tables are for adjusting for batt voltage, ie idle the car and start turning on everything that causes load, see if your AFR changes and adjust that table accordingly.

I'll be honest, I never did but I was never using huge injectors or anything that finicky about low pulsewidths.
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SloS13

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Re: a couple Crome tuning questions
« Reply #2 on: February 11, 2010, 10:42:41 PM »


Use whatever multiplier it gives you, adjust offset as you need to to get the car to idle at 14.7

The advanced tables are for adjusting for batt voltage, ie idle the car and start turning on everything that causes load, see if your AFR changes and adjust that table accordingly.

I'll be honest, I never did but I was never using huge injectors or anything that finicky about low pulsewidths.

Sweet thanks for the advice. I'll try that tomorrow.  Reason for bringing up the batt offsets is because the AFR leans out like PISS when I put a load on the alternator.
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jagojon3

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Re: a couple Crome tuning questions
« Reply #3 on: February 11, 2010, 10:50:07 PM »

At least you know what to do, let us know how it turns out after you tune the battery offset table.
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d112crzy

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Re: a couple Crome tuning questions
« Reply #4 on: February 12, 2010, 12:01:24 AM »

Scale map to your injectors, and mess with the offset box in the fuel multiplier until you get the car to idle at whatever you want it to idle at. Then go mess with the battery offset table.
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Minor Threat

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Re: a couple Crome tuning questions
« Reply #5 on: February 12, 2010, 12:09:47 AM »


Use whatever multiplier it gives you, adjust offset as you need to to get the car to idle at 14.7

The advanced tables are for adjusting for batt voltage, ie idle the car and start turning on everything that causes load, see if your AFR changes and adjust that table accordingly.

I'll be honest, I never did but I was never using huge injectors or anything that finicky about low pulsewidths.

Sweet thanks for the advice. I'll try that tomorrow.  Reason for bringing up the batt offsets is because the AFR leans out like PISS when I put a load on the alternator.

Yup, that's what the table is for I guess.
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Joseph Davis

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Re: a couple Crome tuning questions
« Reply #6 on: February 12, 2010, 01:56:42 AM »

Scale map to your injectors, and mess with the offset box in the fuel multiplier until you get the car to idle at whatever you want it to idle at. Then go mess with the battery offset table.

+1

98vtec

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Re: a couple Crome tuning questions
« Reply #7 on: February 12, 2010, 02:06:28 AM »

Crome will make you turn into a mexican.
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Joseph Davis

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Re: a couple Crome tuning questions
« Reply #8 on: February 12, 2010, 02:10:04 AM »

Better an honest hard working MexiCAN than a frat boy.

sewell94

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Re: a couple Crome tuning questions
« Reply #9 on: February 12, 2010, 02:51:48 AM »

I'm a frat boy, there goods ones out there as well as bad ones.

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98vtec

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Re: a couple Crome tuning questions
« Reply #10 on: February 14, 2010, 04:02:05 PM »

I'm a frat boy, there goods ones out there as well as bad ones.



most are douchebags
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glustic

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Re: a couple Crome tuning questions
« Reply #11 on: February 14, 2010, 04:07:05 PM »

Have you figured your shit out yet?
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PhilStubbs

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Re: a couple Crome tuning questions
« Reply #12 on: February 14, 2010, 04:14:27 PM »

I'm a frat boy, there goods ones out there as well as bad ones.



most are douchebags

+1
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SloS13

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Re: a couple Crome tuning questions
« Reply #13 on: February 14, 2010, 04:28:01 PM »

I got it pretty much dialed in, with about a .7:1 variance at the different voltages.  Out of boredom, I opened up a completely different map and there was no variance at different voltages whatsoever.  Tuning is on the backburner right now while I work out some other issues.  Basically I just need it good enough to get to JD so he can drop some knowledgeabilities on me.
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glustic

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Re: a couple Crome tuning questions
« Reply #14 on: February 14, 2010, 04:36:29 PM »

Haha, we all need tuning knowledge. Well.... except JD....
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sewell94

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Re: a couple Crome tuning questions
« Reply #15 on: February 14, 2010, 08:29:05 PM »

Haha, we all need tuning knowledge. Well.... except JD....

Jd needs tuning knowledge too.

 

I'm a frat boy, there goods ones out there as well as bad ones.



most are douchebags

+1

Any tuner that says he doesnt need more knowledge is as dumb as you tools who think frat boys are douchebags.    Frat boys are no different than the guys here, except in this case you guys are the H-Ter's who think RHMT guys are douchebags. 
« Last Edit: February 14, 2010, 10:19:48 PM by sewell94 »
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PhilStubbs

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Re: a couple Crome tuning questions
« Reply #16 on: February 14, 2010, 10:14:43 PM »

only most, not all. im sure there are a few members of HT that arent douchebags. not many, but a few.
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obd1>gtgtall

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sewell94

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Re: a couple Crome tuning questions
« Reply #17 on: February 14, 2010, 10:26:09 PM »

only most, not all. im sure there are a few members of HT that arent douchebags. not many, but a few.

Again you have it wrong,   most frat guys are not douchebags, just like 99% of the HT guys i've meet have been cool.  Its the small % that are douchebags that everyone bases their opinions on, the douchebags are generally the loadest most noticed.   
« Last Edit: February 14, 2010, 10:45:09 PM by sewell94 »
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PhilStubbs

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Re: a couple Crome tuning questions
« Reply #18 on: February 14, 2010, 10:40:05 PM »

Maybe, I have never met anyone from there in person that I have ever seen post. Now that I think about it, I think I spend more time on here in one day than I have spent there ever. 
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obd1>gtgtall

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98vtec

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Re: a couple Crome tuning questions
« Reply #19 on: February 14, 2010, 11:49:55 PM »

only most, not all. im sure there are a few members of HT that arent douchebags. not many, but a few.

Again you have it wrong,   most frat guys are not douchebags, just like 99% of the HT guys i've meet have been cool.  Its the small % that are douchebags that everyone bases their opinions on, the douchebags are generally the loadest most noticed.   

i'll give you that one
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Joseph Davis

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Re: a couple Crome tuning questions
« Reply #20 on: February 15, 2010, 01:04:13 AM »

Tom, you're too social.  60% of HTers suck, sorry, and of the other 40% most of those are nice and dumb.

sewell94

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Re: a couple Crome tuning questions
« Reply #21 on: February 15, 2010, 04:23:20 AM »

Tom, you're too social.  60% of HTers suck, sorry, and of the other 40% most of those are nice and dumb.

So do you suck or are you nice and dumb???

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Joseph Davis

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Re: a couple Crome tuning questions
« Reply #22 on: February 15, 2010, 12:08:25 PM »

I've posted eight times in two years.  That makes me a HTer?

sewell94

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Re: a couple Crome tuning questions
« Reply #23 on: February 15, 2010, 06:22:13 PM »

I've posted eight times in two years.  That makes me a HTer?

I've always been told that you can fuck a million bitches, but suck one dick and your a faggot forever. 

Your a Hter, you and your many thousands of posts on there.
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SloS13

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Re: a couple Crome tuning questions
« Reply #24 on: February 17, 2010, 05:24:28 PM »

So I got this here map but for some reason launch control isnt an option.  Don't ask me where I got the map from because I forgot.  I dont need launch control but im wondering why it isnt there.
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jagojon3

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Re: a couple Crome tuning questions
« Reply #25 on: February 17, 2010, 05:48:21 PM »

Could it be a Crome Gold map? I haven't tried to open one on a non-pro Crome version so I'm not sure if you are even able to open it without an error message.
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PhilStubbs

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Re: a couple Crome tuning questions
« Reply #26 on: February 17, 2010, 06:48:19 PM »

go to "plugins" and add it
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Re: a couple Crome tuning questions
« Reply #27 on: February 17, 2010, 07:01:21 PM »

Ah, duh, it's "add extra features" thanks!
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Re: a couple Crome tuning questions
« Reply #28 on: February 19, 2010, 02:20:07 PM »

I got it pretty much dialed in, with about a .7:1 variance at the different voltages.  Out of boredom, I opened up a completely different map and there was no variance at different voltages whatsoever.  Tuning is on the backburner right now while I work out some other issues.  Basically I just need it good enough to get to JD so he can drop some knowledgeabilities on me.

Fuck tuning, 4th gear ripper vids required asap.
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ifly87

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Re: a couple Crome tuning questions
« Reply #29 on: April 19, 2010, 09:24:12 PM »

Scale map to your injectors, and mess with the offset box in the fuel multiplier until you get the car to idle at whatever you want it to idle at. Then go mess with the battery offset table.

I know this is an old post, but are we talking about the "stock" or "advanced" battery offset table here? I'm having the same issue where it leans way out when I put a load on the alt. My afr's are perfect at idle and 13.9 volts, when I start turning shit on my voltage drops to about 13.2 volts and it goes 17:1.

Also, I notice that at idle sometimes my afr's are right on the money but they still fluctuate btween say 14.5-15.3:1 or so, also the vacuum and rpm fluctuate but just barely like 50-100rpm but enough to switch cel's and change the afr's. How do I smooth out the afr's and idle?
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