Have 7.3 PS 1999. - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 07-07-2011, 12:19 PM Thread Starter
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Have 7.3 PS 1999.

I have the heads off my 7.3 looking for a bad gasket or cracked head? I got her hot.About 190,000 miles.Is this a good time to go to a 4" exhaust?
I am not a big time power nut. Just was thinking better flow would be good. Input?
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post #2 of 5 Old 07-07-2011, 12:40 PM
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Any time is a good time for better airflow it will lower you egts how do the heads look how are the valves

04 harley davidson f-250 arp headstuds oem gaskets,sb intake,edge cts egt probe,sct sf3 idp tuned/ php tuned,blue spring,zerex coolant swap,mbrp 5 inch xdp 6 inch tip,sinister egr cooler,new oem oil cooler,atlas 40 ficm,Painted cac tubes 7.3l wire loom,Diesel site coolant filter
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post #3 of 5 Old 07-07-2011, 01:02 PM Thread Starter
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Port head, chamber 2,3, exhaust valves have some rust. Bore is OK ,some water stains.Some rust pitting on head face,chamber top.This may have been a long time leak,it just got pushed when i got it HOT.Head is out now for a lookover and repair or replacment.
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post #4 of 5 Old 07-07-2011, 01:05 PM
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Good deal it would be cool if you could post some pics

04 harley davidson f-250 arp headstuds oem gaskets,sb intake,edge cts egt probe,sct sf3 idp tuned/ php tuned,blue spring,zerex coolant swap,mbrp 5 inch xdp 6 inch tip,sinister egr cooler,new oem oil cooler,atlas 40 ficm,Painted cac tubes 7.3l wire loom,Diesel site coolant filter
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post #5 of 5 Old 07-07-2011, 03:05 PM Thread Starter
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Found the drain on the drivers side. It is the ----------------------------------------------------------------------------------------------------------------Block heater!! Dua! I was looking down the side of the block and saw the wires going to it and said, that must be the block heater.
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