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dhughens
 Post subject: crankshaft interchange
PostPosted: Mon Mar 28, 2011 6:27 pm 
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Joined: Mon Mar 28, 2011 3:40 pm
Posts: 13
Basic question here. Is the crankshaft from the early 73, 74, 75 non-crossflow head 1.8l engine, interchangeable with the 1976 and later crossflow head 1.8l engine. I need to replace my 74 crank and they are not available in my area. However, 76 and later cranks are quite common. Thanks for the input, dan...
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Luvrv8
PostPosted: Mon Mar 28, 2011 9:25 pm 
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Location: Camarillo, CA
My parts book says no.

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cleaver
PostPosted: Sat Apr 02, 2011 10:49 am 
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da LUV masta

Joined: Wed Jun 09, 2010 12:22 pm
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Location: Redfield SD
You can send your old crank to a machine shop that does crank welding to build a bad main or rod jopurnal back into spec.
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dhughens
PostPosted: Fri Apr 08, 2011 4:07 pm 
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Believe it or not, the last owner replaced the clutch and used standard thread bolts instead of metric and cross threaded all the crank/flywheel bolt holes. They fired it up and wondered how it seemed to have developed a rod knock. I tore it down and found all the crank/flywheel bolts finger loose. The crank threads did not clean up well. .dan...
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love4theluv
PostPosted: Fri Apr 08, 2011 4:43 pm 
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Joined: Thu Jan 21, 2010 11:47 pm
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Location: Vancouver, Washington
dhughens wrote:
Believe it or not, the last owner replaced the clutch and used standard thread bolts instead of metric and cross threaded all the crank/flywheel bolt holes. They fired it up and wondered how it seemed to have developed a rod knock. I tore it down and found all the crank/flywheel bolts finger loose. The crank threads did not clean up well. .dan...



8O
bore to the next size and re-tap? thats about all i can think of

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