M-Block 351M/400 Performance

Copyright © 1996-2003 Dave Resch
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Whether you’re looking for just a few extra ponies in your bone stock 351M (for cheap!), or planning to build a no-holds-barred, big-block-killing 400+ CID monster, you’ll find lots of useful information and valuable tips on souping up Ford’s M-block V8 engines.

Enhancing your stock M-block
Other than the obvious tune-up, what else can you do to get the most power from a stock 351M or 400?
 
Building a more powerful M-block
If you’re going to rebuild an M-block, what can you do to get a significant improvement over the stock power output, without breaking the bank or re-financing the house?
 
Rotating Assembly Considerations
Don’t you wish somebody made higher-compression pistons for the M-block 400, or are you using the best (or correct) crankshaft and rod bearings? 
 

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