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EFI For Big Blue


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We've been kicking this around in Upgrades To Big Blue For Overlanding, and I've been planning for it on my whiteboard (project) called Upgrades For Big Blue. But now seems to be the time to start a thread specific to the EFI'ing of Big Blue. So, here goes.....

On Saturday I spent 30 minutes on the phone with Ben Head and today I spent about an hour on with Adam Marrer - both of Core Tuning. With their help as well as that of Bill, I think I can make this happen - both on Big Blue as well as Dad's truck, albeit later, after I learn on Big Blue.

In today's call Adam convinced me that their Direct Flash package is the way to go for my needs. That will allow me to change the tuning parameters via the OBD-II cable so I won't have to have access to the PCM, which makes placement easier. And, he answered a whole bunch of my questions - although he said I'm over-thinking it. Me??? :nabble_smiley_blush:

Anyway, here are some of the questions and answers:

  • Transmission: Since I'm running a manual tranny I can use a PCM for an auto and turn the tranny off with their software

  • BOO: He thinks it would be good to give the PCM brake on/off so it will know that the brake is or isn't applied and can adjust accordingly

  • The 460 had a crankshaft sensor that was only for detecting mis-fires. Apparently it was mandated by the government, but isn't needed as the distributor gives #1 timing, so their software allows for it to be turned off. Which is good because I don't have that sensor.

  • And, their package allows turning lots of other things on or off, including EGR, Evap, etc

  • PCM: I need a PCM for Big Blue, so he asked me to send him a list of the PCM's I have. He'll look them over and see if he thinks that the one Ray sent me from a 5.0L w/a 4R70W will work if I turn the tranny code off.

  • Adam says that my AEM wideband meter is very suspect. He has a serious setup and has measured many widebands, and his tests show the AEM to be frequently off one way or another. But, I'll need something for tuning, so for now I'll plan on using the AEM. However, he said that I shouldn't put it at the wye in the exhaust. That's because one bank will run leaner than the other and there's not much I can do about it. But, sampling at the wye confuses things, so put the bung further up on one bank or the other.

With that done I turned to the air inlet plumbing. Mark found only part of the plumbing when he got the harness, and Bill said that the right plumbing is hard to find since a MAF 460 is a rare thing. But, I got lucky. Here's a shot of Huck's plumbing on top with a combo of what Mark found plus two of the hoses I got from Jim on the bottom. As you can see, they are the same length, and what Mark found was exactly what I needed. Further, the two hoses from Jim (1995 SD 460) are the same as the ones in the same position from Huck, the 1990 SD 460. So, it looks like any of the SD 460's would have the right small hoses, but you'll need the hoses and wye from a MAF 460 if you don't want to mix and match parts.

SD_and_MAF_Intake_Plumbing_-_Top.thumb.jpg.255c27dbb9be2dcc3b306728ad886450.jpg

And, here's the same plumbing from the bottom side. Bill - If the bung on the SD plumbing at the H is the IAC input, then that must be what is on the wye for the MAF. I think I can use the SD IAC hose even though the MAF connection is a bit further toward the air box because the hose looks like it'll stretch a bit.

And, that makes the bung further up on the MAF plumbing the PCV connection, which on the SD setup went to the side of the airbox. So, since all airflow needs to go through the MAF sensor they moved it out, and I'll have to find that hose.

SD_and_MAF_Intake_Plumbing_-_Bottom.thumb.jpg.62b221881cbb76a2496cade79a543866.jpg

 

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Just knew you would put those ECU's to good use!

Wish there was support anywhere near local to me like you have found at Core Tuning. I do have an advanced scan tool that is supported out of the European market. Works well for maintenance on my various Ford vehicles with OBDII, but no ability to modify parameters. Are the Core folks planning to attend that September meet? (As if I needed another reason to make plans to attend.)

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Just knew you would put those ECU's to good use!

Wish there was support anywhere near local to me like you have found at Core Tuning. I do have an advanced scan tool that is supported out of the European market. Works well for maintenance on my various Ford vehicles with OBDII, but no ability to modify parameters. Are the Core folks planning to attend that September meet? (As if I needed another reason to make plans to attend.)

I really do hope to use both of them. Sure would make things easy. :nabble_smiley_good:

As for Core Tuning, I'm not using them in a "local" mode - yet. And, given what Adam told me today, I don't think I'm going to have to. But, they are making all the right noises about providing support, and Bill got a lot of support from them. So I'm pretty sure I'll be happy with their support.

On them being at the show, I hope so but don't have a commitment - yet. But I'm working on it. I've talked to both Adam, who is in NY, and Ben in OKC. Adam said today that he'll check, but he knows he has one commitment in September already. And Ben seemed quite interested. So, if you are interested in meeting them maybe they'll see your comment and make it happen. :nabble_anim_claps:

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Gary, IAC is the nipple on the side, crankcase closure hose is the one on the wye.

Here is the complete CA inlet hose set.

Bill - I wonder if I could reverse it. As said, the IAC hose will fit where the PVC hose is supposed to go. I know 'cause I checked it on Huck. So that would just leave connecting up the PVC.

So, what is the "filter" in the crankcase hose?

On the other hand, if I just had a 1990-on master parts catalog I could look the parts up and buy them. But, at first blush I haven't found one in DVD format, and the paper formats are ~$100. :nabble_smiley_cry:

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Bill - I wonder if I could reverse it. As said, the IAC hose will fit where the PVC hose is supposed to go. I know 'cause I checked it on Huck. So that would just leave connecting up the PVC.

So, what is the "filter" in the crankcase hose?

On the other hand, if I just had a 1990-on master parts catalog I could look the parts up and buy them. But, at first blush I haven't found one in DVD format, and the paper formats are ~$100. :nabble_smiley_cry:

The "filter" is in the IAC line, and I suspect is a muffler to eliminate any "buzz" from the IAC cycling.

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Yes, I was wrong - IAC line. Hmmmm. I'm looking through various sites for the hoses.....

Gary, check this out:

Funny story about the Y-pipe, it was on the engine of the truck in the next stall on the 2nd trip, & this was in there too. I don't why I grabbed it, but I think it's a match from Bill's picture. I'll ship it with the bracket and connector I found.

20180129_204911.jpg.94d450afa795b75ffc4966f015c3739e.jpg

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Gary, check this out:

Funny story about the Y-pipe, it was on the engine of the truck in the next stall on the 2nd trip, & this was in there too. I don't why I grabbed it, but I think it's a match from Bill's picture. I'll ship it with the bracket and connector I found.

Mark, you are correct, that is the IAC connector hose for an MAF 460. Now if you can just stumble across that elusive misfire detector tone ring.

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