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Old 07-01-2009, 12:42 AM
Klitch Klitch is online now
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Join Date: Oct 2003
Location: Washington
Vehicle: 1997 Ford F150
Posts: 3,899
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andy, i have the same issue, i even revised the breather tube to the later years location and it still pukes. its speed and temp related. mine blows at 75+ mph and on trips over 2 hrs on the interstate.

if you want to just yank the front pig and replace it with a lower mileage with same ratio you could probably pull it off in a days time... but til i find a fix that actually works, it seems to be a casting issue with the 97's.

is your build date 6/96 or earlier?
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built and blueprinted Lightning powerplant with p&p heads, race built 4r70w by Darrin @ BC-Automotive
Avoid Rods C.A.R.S. 3929 W Clearwater Ave, Kennewick, WA. screwed me on a bad transmission "built" by State Transmission of Pasco, Wa. avoid www.Engineworldusa.com, junk import motors.
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