Building Up A 351M.
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Laughing Gas
Joined: Jul 2012
Posts: 1,123
Likes: 0
From: Southern Illinois
Building Up A 351M.
Not looking to get crazy power, just looking for a good rough idle and a little more giddy up. I am either going to buy a short block and build it how I want it or gather all the parts and build the motor I have. I am just wondering what you all would do. Money is not an option. I know I will be upgrading cams, heads, carb, etc. Just not sure what exactly to get. Any help is appreciated.
I wont be swapping for a 460 because I dont want to change transmission and I don't need that big of a motor, so dont bring it up unless you are going to give me a motor and tranny.
I wont be swapping for a 460 because I dont want to change transmission and I don't need that big of a motor, so dont bring it up unless you are going to give me a motor and tranny.
Laughing Gas
Joined: Apr 2001
Posts: 868
Likes: 3
From: New Glasgow, Nova Scotia
Hi, the tranny for the 351M and the 460 are the same so you don't need one if you did want to go to a 460 . Myself and my opinion is I would never waste the time or money on a 351m, some guys like them, I don't. Gutless and terrible on fuel. My 429 and 460's gave the same or better fuel milage but the power gains were awesome. I am about to pull a 351M from my 78 plow truck and put in a 460, mounts need to be made cause it's a 4X4 or bought from aftermarket but that's the only big thing that needs to be done. 460's are also fairly plentyfull and cheap and you wouldn't need to spend more money on it to get more power, they have enough. Again, just my opinion.
Fleet Mechanic
Joined: May 2012
Posts: 1,724
Likes: 1
From: peru kansas
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i have done 351m and 400 swaps to 460 its the same transmission equal and most time better gas mileage and performance parts are easier to come by grab a good 460 port and polish heads throw on edelbrock performer intake a 650-750 carb and headers and you got one mean motor scooter and a hell of a go getter 
Posting Guru
Joined: Jul 2012
Posts: 1,958
Likes: 2
From: Georgia
Mine is an automatic. You probably have a C6.
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Laughing Gas
Joined: Jul 2012
Posts: 1,123
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From: Southern Illinois
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Laughing Gas
Joined: Apr 2001
Posts: 868
Likes: 3
From: New Glasgow, Nova Scotia
I was looking at your pic's and if you are building a 4X4 you will need to buy /make the frame mounts, L&L sells them for about 75 bucks if I remember right. The tranny will bolt up std. or automatic, I had to go to a bigger rad because I was towing a large 5th wheel with it but the stock rad should be ok if you are not going to work her too hard.
And hey, 3 different guys replied so far with the same ansewer, put in a 460 and dump the pig.
" there's no replacement for displacement" , Carroll Shelby
And hey, 3 different guys replied so far with the same ansewer, put in a 460 and dump the pig.
" there's no replacement for displacement" , Carroll Shelby
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Laughing Gas
Joined: Apr 2001
Posts: 868
Likes: 3
From: New Glasgow, Nova Scotia
I have 3 here now, one's an EFI but I think the shipping would be a BIT too much. Eastern Canada to Illinios = Buy a new one. 
Posting Guru
Joined: Jul 2012
Posts: 1,958
Likes: 2
From: Georgia
A refurbished block runs around $2500.
Here's one on ebay for $125, it's dirty though.
460 ford big block complete was running | eBay
Here's one on ebay for $125, it's dirty though.
460 ford big block complete was running | eBay
Posting Guru
Joined: Jul 2012
Posts: 1,958
Likes: 2
From: Georgia
Here's another that's a little cleaner for $650
460 BBF Ford Engine..early 1970's model Big Block | eBay
460 BBF Ford Engine..early 1970's model Big Block | eBay
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Laughing Gas
Joined: Jul 2012
Posts: 1,123
Likes: 0
From: Southern Illinois
I am going to build it with my father in law. We are going to put it on a engine stand and rebuild/upgrade everything. I won't pay $2500 for something I can do basically myself. Good to get an idea of what they run.
