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Engine perch question 360 to 300 I6

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Old Aug 11, 2025 | 11:04 AM
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Engine perch question 360 to 300 I6

I have a 1974 F250 I'm swapping out the 360FE for a 1980 (81?) 300 I6.- Did the perches and motor mounts change between 1974 and 1980?
Many places I have read that the 1974 FE perches just need to be moved forward to different holes in the frame but on my truck there are 4 holes on the top side of the frame for the perch but on the drivers side there are only 3 - the power steering covers where the hole "should be".
It also appears that the drivers side perch is damaged?



 
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Old Aug 11, 2025 | 01:26 PM
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Here is a link to Fordification's tech articles. https://www.fordification.com/tech/engine-perches.htm
There is basically very little difference in the frames from the cab forward in 65-79 trucks.
Also you might want to post in the 73-79 forum. https://www.ford-trucks.com/forums/forum38/
 
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