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Old 01-10-2012, 10:41 AM   #179
Dimman
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Quote:
Originally Posted by Homemade WRX View Post
I do plan to toss MMC pistons in and will probably start with A-beam 300M rods for customers running the FA engine while the MMC rods are going through testing.

**Because of volume, the MMC rod development will probably be done under my EJ race engine program.


and I think we are well beyond 'bolt-ons' at this point
What? This isn't my 'Engine Tech' thread? Dammit...

Have they got to the point where they can economically machine MMC for a 2 piece rod? Article says they are mostly net-shaped forged, with a fancy high-speed boring operation, since the matrix is aluminum and silicon carbide. And silicon carbine is usually on the side doing the machining operation rather than the receiving end.

Also what is the cost difference between normal 4340 and 4340M/300M?
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