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My heads are afr165. I would like to know if you were able to do it with the heads on.

Need a good set of roller lifters for my 93 5.0. that doesn’t require removing the heads. Guy at Ford performance said both of theirs require head removal.

I pulled the chip before starting this thread. It was a different problem. It would intermittently cut out and sometimes die. I am working my way back up to see if there was something else causing the cut out. I am good with how it is without the chip but was just wanting to verify if the chip...

Another question about idle reset. Should I take out the sct chip when doing reset?

Update. Took out the China 4 hole 24lb injectors and put in a set of rebuilt ford 1 hole 24lb injectors. Base idle reset at 800. Idles cold. Idles hot. Idles cold and hot with ac on max but drops 100 rpm which I can live with. Settles down nicely after revving. Thanks for all the help. Now...

Still sucks

Now I am going to try 13 degrees and set the idle around 850-900. I will post back on this. Is there anyone out there with a big cam and stock ecu that can give me some real life settings that work pretty good?

Ok just got around to another base idle reset with the car hot and the pill and iac unplugged. Set the idle adjustment up kinda high and started it up. Lowered the idle down as low as possible that kept it running. Unhooked battery with lights on bright. Waited 10 minutes. Turned off lights...

X303 cam. Timing set to 10 degrees. You are correct, I did not have the spout connector out when setting mechanical idle rpm. I will do it proper later today and post results.

I did get a code 12. Idle rpm too high.

Tried base idle reset at 750 and at 950. No difference. Can’t tell there is a iac at all. The computer seems to grab the rpm drop. Give it gas and let go. It drops low then comes back up.

I did the base idle reset. Set it down to 750 rpm. Iac unplugged set to 750. Iac plugged back in. Started engine and it searched but eventually idled. Let it run 3 minutes shen shut off. Waited 2 minutes then started again with lights on bright and ac on full blast. It searched a bit then...

Tried it again and it kept running but no code about iac being unhooked. Is there a code for the iac missing?

Also pulled engine running codes with the iac unplugged and it died during test.

Pulled codes and got stuff from me deleting the egr system. Iac connector has 12 volts with key on. It changes to a rapid fluctuation when running. New iac and no change. Looks to me like the computer is not working correctly.

Trying to get this thing to idle. 93 5.0 with new hci setup. Base idle reset done. It acts the same if the iac is plugged in or not. It will not idle up when ac is on and it searches to find idle I set it at. I have to play with the peddle to get it there. I changed the iac and it is the same.

New filter will be in tomorrow. I am going to connect the filler neck hose back up and give it another test run when this snow clears out. I will post the results.

Code 66 is gone. It has not showed back up the last few times I pulled codes. I plugged the hose fitting on the filler neck and it did build up some pressure. I have since then tie wrapped a price of cloth over it and it has not gotten oiled. Pcv was replaced with the new heads and intake. I...

My filter is in the fender.

Checked idle maf voltage and it was good. Changes with increase in rpm. Did not check it per mph. It’s a pro-m unit with less than 5k miles on it. Would a bad maf cause oil to be puddling just behind the the throttle body blade and coating the filter side of the blade?