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'72 340 cast crank engine flywheel question #1277841 08/01/12 08:02 PM 08/01/12 08:02 PM
Joined: Aug 2006 Posts: 2,512 God's Country Maryland GODSCOUNTRY340 OP master
GODSCOUNTRY340 OP master Joined: Aug 2006 Posts: 2,512 God's Country Maryland	I've got a '72 340 with the cast crank going into my '72 340 4 speed Demon. Does this engine take a special flywheel? I know the steel crank 340 used a neutral balanced flywheel and the 360 used the cast crank flywheel and are not interchangeable. Can I use the 360 flywheel on this engine or is there a different one for the cast crank 340? Thanks I love the smell of Deer guts in the morning, it smells like... VICTORY!

Re: '72 340 cast crank engine flywheel question [Re: GODSCOUNTRY340] #1277842 08/01/12 09:31 PM 08/01/12 09:31 PM
Joined: Aug 2003 Posts: 12,291 Kent, Wa 340SHORTY Truck Nut
340SHORTY Truck Nut Joined: Aug 2003 Posts: 12,291 Kent, Wa	Different flywheel for the 72/73 cast crank 340 . I had a 318 flywheel rebalanced for my 73 340... I am truckless..

Re: '72 340 cast crank engine flywheel question [Re: 340SHORTY] #1277843 08/02/12 12:59 PM 08/02/12 12:59 PM
Joined: Jan 2003 Posts: 16,376 D dogdays I Live Here
dogdays I Live Here D Joined: Jan 2003 Posts: 16,376	Yup. BIG difference between a 360 and cast crank 340 wheel. R.

Re: '72 340 cast crank engine flywheel question [Re: GODSCOUNTRY340] #1277844 08/02/12 04:01 PM 08/02/12 04:01 PM
Joined: Jan 2003 Posts: 25,802 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,802 Rio Linda, CA	Here's a diagram of how to modify a neutral-balanced flywheel for a cast crank 340. 7318665-340castcrank.jpg (467 downloads)

Re: '72 340 cast crank engine flywheel question [Re: John_Kunkel] #1277845 08/02/12 04:52 PM 08/02/12 04:52 PM
Joined: Aug 2006 Posts: 2,512 God's Country Maryland GODSCOUNTRY340 OP master
GODSCOUNTRY340 OP master Joined: Aug 2006 Posts: 2,512 God's Country Maryland	Thanks a million John. After looking at your diagram I check through my stash and found this flywheel. The number isn't in my interchange book but it sure looks like the one diagramed. What do you think? 2264598 7318725-DSC07658.JPG (363 downloads) I love the smell of Deer guts in the morning, it smells like... VICTORY!

Re: '72 340 cast crank engine flywheel question [Re: GODSCOUNTRY340] #1277846 08/07/12 08:58 PM 08/07/12 08:58 PM
Joined: Aug 2006 Posts: 2,512 God's Country Maryland GODSCOUNTRY340 OP master
GODSCOUNTRY340 OP master Joined: Aug 2006 Posts: 2,512 God's Country Maryland	bump I love the smell of Deer guts in the morning, it smells like... VICTORY!

Re: '72 340 cast crank engine flywheel question [Re: GODSCOUNTRY340] #1277847 08/08/12 05:23 PM 08/08/12 05:23 PM
Joined: Jan 2003 Posts: 25,802 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,802 Rio Linda, CA	2264598 is the casting number, it was used on all 130-tooth installations from '62 into the nineties....the various external balance configurations gave it a different part number but the casting number stays the same. That looks like the correct one for a cast crank 340. The INTERNET, the MISinformation superhighway

Re: '72 340 cast crank engine flywheel question [Re: John_Kunkel] #1277848 08/08/12 11:19 PM 08/08/12 11:19 PM
Joined: Aug 2006 Posts: 2,512 God's Country Maryland GODSCOUNTRY340 OP master
GODSCOUNTRY340 OP master Joined: Aug 2006 Posts: 2,512 God's Country Maryland	That's what I was thinking. Thanks again John. I love the smell of Deer guts in the morning, it smells like... VICTORY!

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