My 4.6 forged build

BeachMonkey100

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Alright car ran good and I got to make a few WOT pulls and I was smiling like 4 children on Christmas lol..

I have a whine coming from somewhere, I am thinking it's from the bearing carrier on the driveshaft, it mounted back up funky ways so I will take a look at it later on this week/weekend when I have time to get back down to the shop. I am going to go ahead and order another oil pressure sending unit, I checked everything with my fluke meter and the sender is the last thing that I can think of.

Also Lito did say my analog 1 wasn't recording.. but then remembered seeing something. All I did at first was click on the analog 1 to put in the function and never thought anything about it, then realized there was a command button at the top and then you could actually go in and change the equations. Is this why it wouldn't record? I tried to save it, but each time I went to pull it back up to verify it was still just (v), so do I have to enter it each time or am I doing something wrong?
 

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swflastang05

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congrats man, did you figure out the formula issue? Once you enter it then from the menu click save livelink configuration and rename it; then use that config file for your data logging.
 

BeachMonkey100

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Okay, there are two ways of doing it I guess. When I get home I will do the menu way and enter it and save it. I didn't know I had to rename it. I will fiddle with it tonight after class.

Though Lito says I have a interface cable issue, which there could be but I'm not sure what to test to see if I have one or not. Once I figure that out the other small issues shouldn't be a problem.
 

swflastang05

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You need to use a meter to find the correct pin configuration on the firewire cable you're using to make sure you're making the correct connections since different FW cables have different colors. I have the pin diagram somewhere if you need it let me know.
 

BeachMonkey100

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I followed the pin diagram and all that's just what doesn't make sense to me. white from AEM to orange analog 1 FW, blue analog 1 to ground.
 

swflastang05

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I followed the pin diagram and all that's just what doesn't make sense to me. white from AEM to orange analog 1 FW, blue analog 1 to ground.

with a meter ohm out the orange lead on the FW cable and make sure its in the correct position at the FW plug end that connects to the SCT device. If it's not the correct pin find the color that is and connect it to the AEM white. Then connect the blue analog 1 to the same ground as the AEM (everything in this system should share the same ground).
 

BeachMonkey100

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I was under the assumptions that they had to be two separate grounds. I can switch that fairly quickly, and also take the resistance of the wire and plug on the FW cable. of course I harnessed it all up lol...
 

crownaviation

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I was under the assumptions that they had to be two separate grounds. I can switch that fairly quickly, and also take the resistance of the wire and plug on the FW cable. of course I harnessed it all up lol...

You just can't stack two connections together. You can solder both to one connection tho
 

BeachMonkey100

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You just can't stack two connections together. You can solder both to one connection tho

I wonder if that is my problem with the oil pressure sender as well. I already ordered another one today so maybe I will end up with a extra one after all. I did stack the grounds on the gauges (autometer water temp and oil pressure that is), but I have done it before without a problem.

Maybe my grounding is an issue all together. I did it a while back and probably wasn't thinking, If I remember correctly now I stacked the wideband, water temp and oil pressure on top of each other. Then separately grounded the analog 1 from the firewire.

If that is true, I admit it.... I'm an idiot. But! would that be causing my problems?
 

crownaviation

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Wideband is the only one you want to avoid stacking. I typically will solder the FireWire ground and the wideband ground to same lug but that is it. Just don't stack other lugs on that one
 

eighty6gt

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Both legs of my firewire are connected to my wideband, it has a ground specifically for the output. Do some need you to ground to vehicle chassis? Hmm.
 

BeachMonkey100

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I figured the problem out today while testing wires with Lito's help and him sending me a config file just for analog 1 & 2. I had the wiring correct the whole time, except the plug was assembled incorrectly. So while wiring it up as Analog 1 it was actually Analog 2. I found this out while testing the wires using a AA battery while using Livelink. So if I wanted to continue using the Blue/Orange (analog 1) I would need to have lito switch the config file to "analog 2" since it was backwards in the plug. So I just wired up Green/Red and it logged as Analog 1.. I did test the plug ends and wires with a multimeter they are in fact wrong.. but I solved the problem and now it works flawlessly. Did a couple of idle logs to make sure it was working correctly. Glad I got that solved for sure!


Also pin pointed the "whine" I had... Tensioner pulley gone bad, I never replaced any of them while it was apart because I simply thought they didn't need it. But I guess I was wrong, that is a quick fix though.

Other than a few small odds and ends and putting the front bumper on and finally giving it a bath which it desperately needs I am happy with the end result. Still a good bit of work to do yet, but the hard part for now (knock on wood) is over. :)
 

BeachMonkey100

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Well lito looked at the logs, my wideband is displaying correctly, but livelink is showing it off a bit, their not matching values.

My only guess is I fixed the signal issue, but still stacked the grounds for the wideband and the FireWire. I checked it on the fluke meter and was a common ground afterwards. So I suppose I need to separate them.. Maybe voltage drop or interference? I know most said run them separate, but I couldn't help myself putting them together.

I'll change that when I get a chance and log and see if that fixed the problem. if not Lito says we'll have to account for the problem in the analog equation.
 

05stroker

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Well lito looked at the logs, my wideband is displaying correctly, but livelink is showing it off a bit, their not matching values.

My only guess is I fixed the signal issue, but still stacked the grounds for the wideband and the FireWire. I checked it on the fluke meter and was a common ground afterwards. So I suppose I need to separate them.. Maybe voltage drop or interference? I know most said run them separate, but I couldn't help myself putting them together.

I'll change that when I get a chance and log and see if that fixed the problem. if not Lito says we'll have to account for the problem in the analog equation.

FWIW, all of my after market gauges, including my WB, share the same + and - and they work fine.
 

BruceH

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Well lito looked at the logs, my wideband is displaying correctly, but livelink is showing it off a bit, their not matching values.

My only guess is I fixed the signal issue, but still stacked the grounds for the wideband and the FireWire. I checked it on the fluke meter and was a common ground afterwards. So I suppose I need to separate them.. Maybe voltage drop or interference? I know most said run them separate, but I couldn't help myself putting them together.

I'll change that when I get a chance and log and see if that fixed the problem. if not Lito says we'll have to account for the problem in the analog equation.

If it's just a not matching at the moment it could be signal lag between the gauge and computer processing the signal. Mine does that.
 

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