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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Engine swap

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Old Dec 9, 2017 | 02:52 PM
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Engine swap

In the 73 to 79s, an FE engine will bolt to the same engine perches as an inline 6. Does anyone know if it's the same for the 80 to 86 perches?
I have an 86 with a 300 and 4 speed. I'm thinking I could bolt a 390 in with a different bellhousing.
 
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Old Dec 9, 2017 | 03:09 PM
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Good question but I don't know if anyone would have an answer as FE's were never installed in our truck that I know of.
Only way would be someone like you that gave it a try.


There was a post in here about the different perches used between all the different motors factory installed on our years trucks. Do a search to find it and give a read so you know what came in them and if you find the six perches don't work maybe a combination of others will?


BTW do you know if the six/FE perches in the 73-79 trucks work with a 460 motor?
Then again maybe not something about L&L makes something for your trucks right?
I ask because 460s did come in out trucks.
Dave ----
 
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Old Dec 9, 2017 | 04:10 PM
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Dave, There are 3 sets of engine perches for 65 to 79 2 wheel drive trucks.
Set one: 240, 300, 352, 360, 390, etc
Set two: 289, 302, 351W, 351C, 351M, and 400.
Set 3: 429 and 460.
Set one are a typical engine perch with one side being almost twice as big as the other.
Set 2 are a typical set with both sides almost the same height.
Set 3 is completely different and they look like a GM engine perch.
So in answer to your question, nothing sits on a 385 perch except a 385.
 
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Old Dec 9, 2017 | 05:35 PM
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Originally Posted by FuzzFace2
BTW do you know if the six/FE perches in the 73-79 trucks work with a 460 motor?
No.
1973/79 F100/350 460's use unique perches, brackets and rubber insulators. Not the same as cars or Econolines.

No 360/390's after 1976. No 460's in F100's after 1976, no 460's in F150's after 1979, no 460's in 1980/82 F250/350's, E250/350's only.

All 1968/82 460's came with the C6. 1983 was the first year that 460's were available w/a M/T & 4WD
 
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Old Dec 9, 2017 | 05:42 PM
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Originally Posted by NumberDummy
1973/79 F100/350 460's use unique perches, brackets and rubber insulators. Not the same as cars or Econolines.

No 360/390's after 1976. No 460's in F100's after 1976, no 460's in F150's after 1979, no 460's in 1980/82 F250/350's, E250/350's only.

All 1968/82 460's came with the C6. 1983 was the first year that 460's were available w/a M/T & 4WD
We know the Ford books would not show what is being asked.


He was wondering if any one has done the 390 in 80-86 trucks and if so was it done with Ford parts not made for that swap book wise but just happens to work.
Like say a left perch for say a 300 and the right side from a 460 to drop in a 390 motor.
You never know till you ask.
Dave ----
 
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Old Dec 9, 2017 | 05:45 PM
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Do the 70's 300 six cylinders use a rear sump oil pan like the 80-up trucks? If they did not, that might be a big difference in engine positioning, and motor mounts/perches.

We have had a couple of guys on here adapt a FE in a 80-up truck, but it was fabrication the whole way. I don't remember anyone using 300 six motor mounts and dropping the FE in after that.
 
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