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Electronicals / Forscan Expert
Joined: Fri Nov 24th, 2017
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Finally got the last bit done today and started it up. Started up with a high rev of about 3k rpms for about 10 seconds and then came down. During this time I had an awful sound from the valve train waiting for the lifters to pump up. I covered the new head with assembly lube and poured a quart on it before putting the valve cover on so I knew I covered that.
Ran for about 10 minutes to get it up to temp to fill the cooling system. Since the coolant looked awful I'm running a bottle of Thermocure in it and will swap it out in a week before we see freezing temps. During this time it still had knock/tick to it.
Shut it down and went to lunch with the family. Got back and decided to pull it out for a ride. Knock noise was gone and she drove so smoothe. Kinda weird pulling up to red lights without having to hold the brake and give it some gas.
I also got a little bit of pickup back. I assume I will recover some fuel economy from this.
So overall a success. I think we should re-title this to “ Misfire Stalling after High Revs, Runs fine above idle (Solved!)â€
I will provide a total cost breakdown later.
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2000 XLT 2.5L A/T 2WD
Mods:
Power Windows/Locks Mirrors using OEM harness and parts
Explorer Sportrac White Face Cluster
Explorer OHC and Auto-dim Mirror
Auto Door Locks
Full HID Projector Retrofit