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Good block and crank?

 
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moparfrank
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Joined: 29 May 2010
Posts: 20
Location: Hastings MN

Post subject: Good block and crank? (Sat Jan 21, 2012 9:09 pm) Reply with quote

I am building a turbo'd engine. I have some blocks with the cast crank. Are the blocks good? Are the forged cranks from the early engines compatable with the late blocks? Question



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Joshua Skinner
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Joined: 27 Jan 2005
Posts: 6465
Location: Portland, Oregon

Post subject: (Sat Jan 21, 2012 9:32 pm) Reply with quote

http://www.slantsix.org/articles/dutra-blocks/slant-blocks.htm



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Dart270
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Joined: 21 Oct 2002
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Post subject: (Sun Jan 22, 2012 7:31 am) Reply with quote

I would not worry about using a cast crank motor unless you are shooting for over 450-500 HP. Several 400+HP motors have been cast crank.

No, you cannot "drop in" a forged crank into a cast block, but some creative machining could make it happen.

Lou



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moparfrank
2 BBL ''SuperSix''


Joined: 29 May 2010
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Location: Hastings MN

Post subject: Good block and crank? (Sun Jan 22, 2012 7:31 pm) Reply with quote

I had read the article by Doug but was hoping that a forged crank from a early motor would fit into a cast crank block. Thanks for the info.



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Dart270
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Post subject: (Sun Jan 22, 2012 7:44 pm) Reply with quote

Best and easiest to find a complete forged crank block and crank...

Lou



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moparfrank
2 BBL ''SuperSix''


Joined: 29 May 2010
Posts: 20
Location: Hastings MN

Post subject: Good block and crank? (Sun Jan 22, 2012 8:12 pm) Reply with quote

Oh well I guess I need another motor. Evidently more than a dozen isn't enough. All just the wrong ones.



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