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Old Nov 10, 2005 | 02:10 AM
  #1  
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Motor swap question

Ok..I have a 1994 Ford F-150, 2x4. 4.9L 300 cubic inche straight six.

The motor is locked up in it because it sat to long with the exhaust off.

I found a 1988 ford van with a 4.9L in it....Can I put that motor in my F-150 if I put my head on it since the head setup is different?
 
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Old Nov 10, 2005 | 02:14 AM
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Theres no way you can free the old engine up?
 
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Old Nov 10, 2005 | 02:18 AM
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I got it freed up once...but when i went to put the E4OD back in it...we didnt get the torque converter in right..and had to drop it back out...and i didnt have any time to work on it for a couple months...so it ceased again.

Tried to break it loose again, put marvel mystery oil in each cylinder...and ended up breaking the socket insert of a 1/2 inch breaker bar while trying to free the motor up.
 
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Old Nov 10, 2005 | 02:21 AM
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But once I get the truck back on the road...im going to tear the old motor down and rebuild it...it was a damn good motor..had 233,000 miles on it and it was still going strong....but the tranny went out and i was going to replace the manifold with a custom header but i didnt know the header was for a much older model..So it sat with the exhaust cut off near the flanges coming off the manifold and froze up.
 
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Old Nov 11, 2005 | 12:02 PM
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Should be a straitforward swap. Both engines would be EFI.
Edwin
 
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Old Nov 12, 2005 | 07:05 PM
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Not exactly....the smog stuff is a little different on the head of the 88 than the 94.
 
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Old Nov 12, 2005 | 08:11 PM
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How did it freeze up simply having the exhaust off? Did water get in it or something? I had a 300 sit for 2 1/2 years without intake or exhaust and it still turned over when I got ready to rebuild it.
 
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Old Nov 13, 2005 | 02:25 AM
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My best guess is that it was the exhaust was open from where we broke it loose the last time...and i had the spark plugs out for a while.
 
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Old Nov 14, 2005 | 10:19 AM
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Boss94F150, true, I forgot about the emissions stuff. However, to my knowlege, the head design didn't change. Pull all of the accessories off of the '88 & put the '94 accessories on.
Edwin
 
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Old Nov 14, 2005 | 07:45 PM
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Well it doesnt matter now...I have decided to just rebuild my motor and put it back in....but now I am having trouble out of my fathers 89 f-150 lol.
 
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