Search found 1878 matches

by Cougar5.0
Wed Mar 03, 2021 12:03 am
Forum: Tuning the EEC....
Topic: Slot meter, and cold air kit/boom tube
Replies: 12
Views: 5641

Re: Slot meter, and cold air kit/boom tube

This site has some different diameter inserts for MAFs. http://www.saxonpc.com/100mm-cells-for-100.html I think it's where I got my stuff for my airflow chamber. Mine is the black plastic (not sure what material), but I run it up to 185F (85C) with no issue. I use a thick one before my sample, and a...
by Cougar5.0
Mon Mar 01, 2021 12:51 am
Forum: Tuning the EEC....
Topic: Slot meter, and cold air kit/boom tube
Replies: 12
Views: 5641

Re: Slot meter, and cold air kit/boom tube

I use a honeycomb air straightener in an airflow testing setup at work. The honeycomb is simply held in place with machine screws that penetrate through the duct. Granted mine is 1 1/2" thick so it isn't going to rotate in the duct. The linked 1/2" thick aluminum honeycomb should be pretty rigid als...
by Cougar5.0
Thu Jun 21, 2012 12:21 pm
Forum: Tuning the EEC....
Topic: Engine runs rich on long deceleration - lean tip-in (pic)
Replies: 9
Views: 9316

Re: Engine runs rich on long deceleration - lean tip-in (pic

OK, I know what's going on - let me know if this sounds reasonable. 1. LAMBSE can only change at a relatively slow rate in closed loop. This is to keep the feedback loop slow and stable. 2. This means that when the engine drifted richer during deceleration, LAMBSE gradually commanded leaner until ju...
by Cougar5.0
Wed Jun 20, 2012 11:40 pm
Forum: Tuning the EEC....
Topic: Engine runs rich on long deceleration - lean tip-in (pic)
Replies: 9
Views: 9316

Re: Engine runs rich on long deceleration - lean tip-in (pic

Without the scale, hard to say what load is doing other then the reference point. Can you include the left side and maybe include pulsewidth. According to the screen cap, tps is in cruising state and to me a tps voltage only in the 1.6 range should not result in a load of 50+. Unless at the time th...
by Cougar5.0
Wed Jun 20, 2012 12:56 pm
Forum: Tuning the EEC....
Topic: Engine runs rich on long deceleration - lean tip-in (pic)
Replies: 9
Views: 9316

Engine runs rich on long deceleration - lean tip-in (pic)

http://i43.photobucket.com/albums/e360/Domeskull/LOG_PIC.png So here's an picture of a datalog from of a friend's car. Where I've circled you can see the A/F (wideband) turning down, while lambse turns up to compensate. This is on a deceleration, but it doesn't happen all the time, just sometimes. ...
by Cougar5.0
Tue May 08, 2012 8:36 am
Forum: Hardware Discussions
Topic: What is an A/D count?
Replies: 13
Views: 18907

Re: What is an A/D count?

... And I'm not quite sure why they would switch up to a frequency based sensor. I'm not sure that it is any more accurate or faster than a voltage based sensor. Maybe S/N is better since a digital signal will not be affected by wiring/ground offset or other voltage sources. One less signal to mult...
by Cougar5.0
Tue May 08, 2012 12:00 am
Forum: Hardware Discussions
Topic: What is an A/D count?
Replies: 13
Views: 18907

Re: What is an A/D count?

Chris, Makes total sense. As always, thank you very much for your contributions. The context that I've heard A/D's talked about is with the MAF (What's your A/D count?). In layman's terms, is that a conversation about a MAF that may/may not be maxed out? Am I able to see A/D counts in my QH? My maf...
by Cougar5.0
Mon May 07, 2012 8:23 pm
Forum: Tuning the EEC....
Topic: Open Discussion to Update Strategy PID Descriptions
Replies: 42
Views: 91093

Re: Open Discussion to Update Strategy PID Descriptions

... I dont have a problem with either description but I was thinking of why the default setting is 0.0500 lb/min when the recommended setting is double the current default value? These are things that make me think why the defaults are set the way they are and why not set to the recommended or typi...
by Cougar5.0
Wed Oct 19, 2011 8:10 pm
Forum: Tuning the EEC....
Topic: Best quarterhorse software aside from BE?
Replies: 43
Views: 34249

Re: Best quarterhorse software aside from BE?

It certainly was a lot more fun spending dozens of hours each week reading the strategy documents and figuring out the transfer functions (through experimenting on my own car in many cases) for many undetermined parameters that existed at the time. It was a hobby and benefited the community, so it w...
by Cougar5.0
Sat Jun 11, 2011 10:29 am
Forum: Tuning the EEC....
Topic: Injector breakpoint/offset info for Holley 42lb injectors?
Replies: 4
Views: 9746

Re: Injector breakpoint/offset info for Holley 42lb injector

I'd start with the Ford Green Top 42# settings and tweak from there as needed. Here is the Ford 42# datasheet converted to units used in BE. http://i43.photobucket.com/albums/e360/Domeskull/42lb_inj_sm.jpg Yeah, breakpoint is same value for all cells, so 15.9998 2.1201 0.0000 2.1201 0.0000 2.1201 0....
by Cougar5.0
Sat Jun 11, 2011 10:11 am
Forum: Hardware Discussions
Topic: MAF basics
Replies: 48
Views: 87326

Re: MAF basics

Of course the ideal solution is to have the correct MAF curve, input the Ford injector settings and go. I have to admit that switching to the new Ford slot MAF made that "ideal" much easier to achieve for me. When you consider that the tube I put it in is 95mm diameter, you know that the slot design...
by Cougar5.0
Tue May 31, 2011 11:07 am
Forum: Hardware Discussions
Topic: MAF basics
Replies: 48
Views: 87326

Re: MAF basics

So I agree with the basic premise of the article. I'll just post a few bullet points to make it easier to read: Getting the MAF spot on is especially important on newer vehicles - as mentioned above. So Fox body people who are getting anxious, chill out a bit. However; Tweaking the high-end of the c...
by Cougar5.0
Sat May 07, 2011 9:53 am
Forum: Tuning the EEC....
Topic: Tuning Kenne Bell on 5.0
Replies: 25
Views: 27055

Re: Tuning Kenne Bell on 5.0

Wow, I haven't been around much lately - glad to see people find my tuning document useful. :bananadance: I've been getting regular PMs to share this document, so I guess it'd be easier to post it here. Here it is: Tuning a Kenne Bell R2.pdf I just got my Cougar up and running again after pushing ou...
by Cougar5.0
Tue Jan 04, 2011 11:01 pm
Forum: Hardware Discussions
Topic: What's the best Wideband to go with?
Replies: 22
Views: 20597

Re: What's the best Wideband to go with?

I read through all that and your point was completely ignored. I agree with shrinker that once combustion stability is lost, then you get a hodge-podge mix of high HC content in the exhaust accompanied with high O2 content. The WB sensor expects either a high O2 content OR a high HC content. When y...
by Cougar5.0
Tue Jan 04, 2011 1:08 pm
Forum: Hardware Discussions
Topic: What's the best Wideband to go with?
Replies: 22
Views: 20597

Re: What's the best Wideband to go with?

Well, I liked the Innovate products until I got serious with boost and methanol injection etc. When dialing in a combo, it's possible to go off-scale rich or lean depending on what's going on. Problem is the LM-1 (& other products they make) will "time out" under these off-scale excursions. Innovate...
by Cougar5.0
Tue Jan 04, 2011 12:43 pm
Forum: BE/EA Feature Requests & Suggestions
Topic: Trendlog object for Dashboard
Replies: 5
Views: 7794

Re: Trendlog object for Dashboard

I like this idea - I inevitably miss stuff when I'm trying to drive and scan the dashboard occasionally.
by Cougar5.0
Thu Oct 28, 2010 10:58 am
Forum: Tuning the EEC....
Topic: Huge price difference in definitions files. What gives?
Replies: 17
Views: 11994

Re: Huge price difference in definitions files. What gives?

So much for the "hobby" aspect.
by Cougar5.0
Mon Oct 11, 2010 11:37 am
Forum: BE/EA Feature Requests & Suggestions
Topic: Analog Dashboard Suggestion
Replies: 8
Views: 8838

Re: Analog Dashboard Suggestion

I just want to chime in and suggest that this is a great idea IMO. I currently run the 2 large gauges as Lambda and AFR, but it's difficult to see when they are different from each other as I glance back and forth.
by Cougar5.0
Sat May 22, 2010 4:55 pm
Forum: Tuning the EEC....
Topic: Tuning Kenne Bell on 5.0
Replies: 25
Views: 27055

Re: Tuning Kenne Bell on 5.0

I updated the file and sent it off to ya. Let me know if it's useful...
by Cougar5.0
Tue May 18, 2010 10:32 am
Forum: Tuning the EEC....
Topic: Tuning Kenne Bell on 5.0
Replies: 25
Views: 27055

Re: Tuning Kenne Bell on 5.0

I have a similar combo and have a tune (a9l binary) and a Word file that explains why I made each change. I put this together based on a similar request on how to get started with a KB tune. I will have to update it, but I have no problem sharing this info. Perhaps you could PM me your email and I c...
by Cougar5.0
Sat Feb 20, 2010 10:14 pm
Forum: Tuning the EEC....
Topic: adding N2O to BOOST
Replies: 17
Views: 15741

Re: adding N2O to BOOST

I think what you said was essentially accurate. This Wikipedia entry seems to say it well enough: Dry In a dry nitrous system, extra fuel required is introduced through the fuel injectors, keeping the manifold dry of fuel. This property is what gives the dry system its name. Fuel flow can be increas...
by Cougar5.0
Wed Feb 17, 2010 8:42 pm
Forum: Tuning the EEC....
Topic: Difference Between A9L and X3Z Load Values......
Replies: 32
Views: 21162

Re: Difference Between A9L and X3Z Load Values......

None of this stuff matters if your car is running good. Exactly where you hit on the top rows of the fuel table hardly matters above about 3/4 of the max load - so what if you're off the table? - ideal AFR doesn't vary much at those heavy loads anyway. Load scaling lets you use more of the rows in t...
by Cougar5.0
Sat Feb 13, 2010 11:02 pm
Forum: Tuning the EEC....
Topic: Setting up for alternate fuel types such as E85
Replies: 66
Views: 45721

Re: Setting up for alternate fuel types

Z_afr is so you don't have to set the slopes to values that they weren't Right, that explains why my slopes are about 3.5% lower than they should be based on the Ford Racing sheet for the 42s. Fortunately, doing this for E10 is just practice for possibly higher alcohol content fuels - 3.8% is well ...
by Cougar5.0
Sat Feb 13, 2010 9:49 pm
Forum: Tuning the EEC....
Topic: adding N2O to BOOST
Replies: 17
Views: 15741

Re: adding N2O to BOOST

Not to belabor the point, but I found that FN303 ended up being the easiest way to offset the added fuel from the methanol injection. When I inject N2O I'll simply adjust it in the other direction to add more fuel. Nothing wrong with other methods, but I found that it's easy to look at the AFR after...
by Cougar5.0
Sat Feb 13, 2010 12:11 am
Forum: Tuning the EEC....
Topic: adding N2O to BOOST
Replies: 17
Views: 15741

Re: adding N2O to BOOST

BobCat wrote:What advantage is there to using the WOT fuel multiplier rather than adding fuel in the base fuel table or in the MAF for load based strats?
Messing with MAF makes estimating HP and HP changes difficult as you're not measuring actual airflow any more. Base table has no RPM info in A9L strat.
by Cougar5.0
Fri Feb 12, 2010 8:54 am
Forum: Tuning the EEC....
Topic: adding N2O to BOOST
Replies: 17
Views: 15741

Re: adding N2O to BOOST

Yeah, I've started using the WOT multiplier to compensate for meth injection - it's the easiest way to tweak in a constant shot of fuel that effects AFR non-uniformly as the RPMs rise. I'm also going to inject a small shot of N2O to cool the aircharge. I will still be using meth (& injecting the N2O...
by Cougar5.0
Fri Feb 12, 2010 8:47 am
Forum: Tuning the EEC....
Topic: Setting up for alternate fuel types such as E85
Replies: 66
Views: 45721

Re: Setting up for alternate fuel types

I forget - why is it a good idea to use the Z_AFR scalar? Assuming 14.64 = 1, where does adjusting WRT this become an issue? (I know there was some issue, but I can't remember what it was at this time.)
by Cougar5.0
Wed Feb 10, 2010 7:55 pm
Forum: Tuning the EEC....
Topic: A clue about light-load bucking
Replies: 33
Views: 29720

Re: A clue about light-load bucking

I think that's true - so long as the logging rate is high enough so there are enough points to see the difference between a more gradual leanout and lean spikes.
by Cougar5.0
Wed Feb 10, 2010 9:47 am
Forum: Tuning the EEC....
Topic: A clue about light-load bucking
Replies: 33
Views: 29720

Re: A clue about light-load bucking

Quick comment - you can usually feel a loss of power & see a trending lean AFR before a buck/misfire occurs due to leaning out (i.e. - there's plenty of 'warning' in the datalog.)