Motor mounts for a 77 F100

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Motor mounts for a 77 F100

Post  57custom on January 17th 2014, 12:46 am

I am putting a 521 in my 77 F100 shortbox and am wondering if there are stock mounts for the engine to frame. I had a 351 windsor in it before i took that out. So there is a tall mount on each side with a single slotted hole in it which I assume is stock. Very Happy
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Re: Motor mounts for a 77 F100

Post  69F100 on January 17th 2014, 12:59 am

You will need big block stands the small block carry a different than the big block
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Re: Motor mounts for a 77 F100

Post  the Coug on January 17th 2014, 7:21 am

69F100 wrote:You will need big block stands the small block carry a different than the big block



you really do just like to hear yourself ramble don't you? He already knows he has to have frame mounts he was asking if there are any stock frame mounts for it? Rolling Eyes 
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Re: Motor mounts for a 77 F100

Post  LivermoreDave on January 17th 2014, 10:19 am

the Coug wrote:you really do just like to hear yourself ramble don't you? He already knows he has to have frame mounts he was asking if there are any stock frame mounts for it? Rolling Eyes 

Dog gone Coug, not had your coffee yet or did the nookie monster not show up last night! How's the weather out your way Okie?

Dave.

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Re: Motor mounts for a 77 F100

Post  cool40 on January 17th 2014, 10:38 am

the Coug wrote:
69F100 wrote:You will need big block stands the small block carry a different than the big block



you really do just like to hear yourself ramble don't you? He already knows he has to have frame mounts he was asking if there are any stock frame mounts for it? Rolling Eyes 
do you have an answer for the guy or do you just like to hear yourself be a smart a$$?
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Re: Motor mounts for a 77 F100

Post  Super Snake Steve on January 17th 2014, 11:10 am

Back in the day instead of buying the frame bracket we just used 390 f250 motor mounts cock them side ways and the bolt holes will line up on your 460 with the stud works great that's been 30 years ago but if I remember right the 390 mount have 2 holes

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Re: Motor mounts for a 77 F100

Post  res0rli9 on January 17th 2014, 11:47 am

Super Snake Steve wrote:Back in the day instead of buying the frame bracket we just used 390 f250 motor mounts cock them side ways and the bolt holes will line up on your 460 with the stud works great that's been 30 years ago but if I remember right the 390 mount have 2
holes

The 390 has 3 holes but you can only use two when you put it on a 460.

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Re: Motor mounts for a 77 F100

Post  LivermoreDave on January 17th 2014, 12:19 pm

res0rli9 wrote:
Super Snake Steve wrote:Back in the day instead of buying the frame bracket we just used 390 f250 motor mounts cock them side ways and the bolt holes will line up on your 460 with the stud works great that's been 30 years ago but if I remember right the 390 mount have 2
holes

The 390 has 3 holes but you can only use two when you put it on a 460.

Worked for me with the addition of another bolt hole. (Ford 385/1982 F150)

Dave.


Last edited by LivermoreDave on January 17th 2014, 9:19 pm; edited 1 time in total

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Re: Motor mounts for a 77 F100

Post  torino501 on January 17th 2014, 2:35 pm

Buy the L&L swap mounts

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Re: Motor mounts for a 77 F100

Post  res0rli9 on January 17th 2014, 2:46 pm

torino501 wrote:Buy the L&L swap mounts

Yes if you just hit the Lottery.
The 390 mounts are CHEEP, I used then on my truck for 15yrs no problems, never broke one and I ran the hell out of it.

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Re: Motor mounts for a 77 F100

Post  supervel45 on January 18th 2014, 1:55 am

I will give you a heads up of what not to do, from personal experience. Stay away from AdaptaMount and small block, as in 351M400 perchs. The 351W perchs may not apply, if there is no conversion mount available, but if there is, same goes. If you use them be sure and chain down the torque side of the engine. Ask me how I know, and how much it cost to find out.

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Re: Motor mounts for a 77 F100

Post  pigs521bbf on January 18th 2014, 12:16 pm

http://www.summitracing.com/parts/trd-4226/overview/make/ford

I have used this when I swap my 351 to a 460

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Re: Motor mounts for a 77 F100

Post  supervel45 on January 18th 2014, 2:42 pm

pigs521bbf wrote:http://www.summitracing.com/parts/trd-4226/overview/make/ford

I have used this when I swap my 351 to a 460
 Question was it a Windsor or 351M/400? They look similar to my mounts, and the rubber between the plates did not stand up. These may be a little different in the material used and how it is secured.

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I just tried to post a picture

Post  57custom on January 21st 2014, 5:47 pm

of my FE mounts and it didn't come thru anybody show or tell me how? Embarassed 
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Re: Motor mounts for a 77 F100

Post  7LBRONCO on January 21st 2014, 8:18 pm

460 was available in 77 trucks, so go find one in a jy, and pull the perches.

IF your old motor was actually a 351M, Trans-Dapt sells a solid steel conversion mount to drop a BB in place, with the M perches. I used em, and they fit perfect, have held up for 6 years so far.

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