400 Build
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Junior User
Joined: Apr 2017
Posts: 58
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From: Canton
400 Build
So I'm back at this after a few years off. Long story short, my email to TMeyer was bounced and in it said they are no longer machining/building engines. Bummed about that but it is what it is.
I have two engines - 400 and 351M both complete, running. I'm leaning towards the 351M block because it is a 79 and came from a truck. If I'm going to build a complete new motor with the goal of 500 HP +, I want to verify what I will keep, if anything besides the block? I wanted to get the 351M disassembled and ready to go for the machine shop when I am ready for the engine build. It doesn't appear to me that any of the other parts (heads, rotating assembly, etc.) have much if any value. So I was going to pitch it all, get the block cleaned/magnafluxed and ready to go. Is this a bad idea?
Also, what should I do with the running 400? Keep it "just in case?" Thanks for your thoughts.
I have two engines - 400 and 351M both complete, running. I'm leaning towards the 351M block because it is a 79 and came from a truck. If I'm going to build a complete new motor with the goal of 500 HP +, I want to verify what I will keep, if anything besides the block? I wanted to get the 351M disassembled and ready to go for the machine shop when I am ready for the engine build. It doesn't appear to me that any of the other parts (heads, rotating assembly, etc.) have much if any value. So I was going to pitch it all, get the block cleaned/magnafluxed and ready to go. Is this a bad idea?
Also, what should I do with the running 400? Keep it "just in case?" Thanks for your thoughts.
Mountain Pass
Joined: Sep 2004
Posts: 127
Likes: 29
From: s/e iowa
i have noticed over the years, owning these trucks draws other people owning these trucks. i have been able to help out many people needing push rods, rockers, exhaust manifolds any truck part that i have accumulated for that matter. usually give the parts needed or trade for something i need.
btw, to get 500hp, will that require a roller cam? can a roller be used in one of these engines?
btw, to get 500hp, will that require a roller cam? can a roller be used in one of these engines?
Laughing Gas
Joined: Sep 2013
Posts: 1,118
Likes: 103
From: North Idaho
Can you use a roller cam in a 335 series engine? Absolutely! I have a Howard's retrofit cam in mine. There are two ways to do it - 1) install a "retrofit" kit that uses link bar lifters or 2) use a roller lifter setup from the original 5.0, this uses special roller lifters and a "spider" that mounts in the lifter valley to prevent the lifters from rotating.
I highly recommend a roller cam for those that can afford it, just so you don't have to worry about wiping out a can live on a flat tappet cam.
You don't necessarily need a roller camshaft, but at the 500HP level most people would say use one, myself included.
I highly recommend a roller cam for those that can afford it, just so you don't have to worry about wiping out a can live on a flat tappet cam.
You don't necessarily need a roller camshaft, but at the 500HP level most people would say use one, myself included.
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BDawg171
1973 - 1979 F-100 & Larger F-Series Trucks
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Nov 3, 2010 05:27 PM
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