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Freshly Rebuilt Ford 400M Long Block – Quality Parts, Built Right If you’re looking for a good rebuilt 400M, this is it. No one wanted this thing in parts so im putting it back together. This engine was recently rebuilt, then completely torn back down and redone after a rod bolt failure. Everything has been professionally inspected, cleaned, and reconditioned. No shortcuts, no junk parts. Build Details: • New Silv-O-Lite pistons & rings

• Crankshaft freshly reground

– .020 mains – .030 rods

• Reconditioned rods with ARP bolts (not cheap hardware)

• New rod & main bearings

• One-piece Track Boss 1-piece rear main seal, (retails ~$100 by itself) OEM rear main are leaky problems. You'll thank me later for this upgrade.

• New lifters – OEM builder stock from 20 years ago

• OEM camshaft – never used NOS This is better steel than modern steel. Chosen intentionally (less prone to lobe failure than modern offshore cams). You wont need a new cam break-in miracle.

• New oil pump

• New straight-up timing set

• Valve seats replaced

• Edelbrock Performer 400 intake included Why this build matters: This engine corrects the smog-era compression problems with the 15cc pistons and straight-up timing set. It wakes the 400M up without sacrificing reliability. The cam & lifters are old-stock OEM pieces from before today’s quality issues – no cheap import junk here. This will reduce the risk of cam wipe. That alone is worth its weight in gold. This was not a hack repair – the rod bolt issue was addressed the right way with full teardown, machine work, and quality hardware. Condition: Fully disassembled, cleaned, and reconditioned

Built by someone who actually cares

Ran when removed

Solid, reliable build Honestly… the more I talk about it, I don’t know why I’m selling it

But it deserves to be in a truck that gets driven. I just finished another 400m and dont need a spare.