351M vs 428
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Senior User
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351M vs 428
Hey i have a 79 f-150 4x4 it currently has a 351M in it im doing a complete restoration on the truck top to bottom. My dad has a 428 that has to be rebuilt i plan to put on automatic transmission on it prabley a c6. The 351M also has a c6 but due to changes the 351M tranny has a different bolt pattern on it so it wont bolt up to the 428. I found a c6 tranny that would fit on a 428/390/360. btu it was out a car so it has a different tail shaft housing. I will have to tear the tranny down to change to tail shaft.
Should i go with the 428 or the 351M
Should i go with the 428 or the 351M
Freshman User
Joined: Mar 2005
Posts: 39
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From: Washington
Sounds like a lot of work and money just to get that 428 in your truck.
New, radiator, fan shroud, motor mounts, Tranny, the list goes on.
If I was in your shoes I would rebuild that 351m but use a 4.00 crank.
See that way everything will still mate up. and you have a strong engine at half the price of rebuilding that 428.
I have a 400 in my 77 F250, I had it pro built for $ 1500.00 not incl R&R it puts out over 350hp.
You price that 428 now...
New, radiator, fan shroud, motor mounts, Tranny, the list goes on.
If I was in your shoes I would rebuild that 351m but use a 4.00 crank.
See that way everything will still mate up. and you have a strong engine at half the price of rebuilding that 428.
I have a 400 in my 77 F250, I had it pro built for $ 1500.00 not incl R&R it puts out over 350hp.
You price that 428 now...
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Senior User
Joined: Apr 2005
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Ya I know it will take hours on hours to just get the engine and tranny ready. My dad once had the 428 engine in his 76 but his swap was 100% easier being the truck already had a 360 in it, and the 428 didnt have to rebuilt.
Thanks for the ideas
Thanks for the ideas
Post Fiend
Joined: Mar 2005
Posts: 8,542
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From: Louisiana
If you only want performace then go ahead and put the 428, but if that is'nt exacally what your looking for then just rebuilt the 351 and put a good cam, carb, headers, and exhaust. Then you'll have a pretty good performing 351. If all you want is to open her up every now and then. Stay with the 351.
good luck
good luck
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