Thread: 4.2 m117 heads
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  #15  
Old 05-24-2019, 06:14 PM
Frank Reiner Frank Reiner is offline
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Join Date: Feb 2011
Location: Modesto CA
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Quote:
Originally Posted by rwd4evr View Post
There's still no way you can say the alloy cylinder is as tough and resilient as an iron block. In a perfect world the alloy block is fine but **** happens in Motorsports. Maybe I'll torture test one eventually maybe. Manual trans incompatibility Is the biggest issue. Lots of work to end up killing a motor.

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The intermediate plate (IP) from the iron block bolts to the aluminum block. The top two holes of the IP can be slotted 10mm to match the block holes. The same may or may not have to be done for the bottom two, depending on the sump used.
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