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Re: 340 verses 360 [Re: 70AARcuda] #196482 01/19/09 06:49 PM 01/19/09 06:49 PM
Joined: Feb 2003 Posts: 607 NY old340dog mopar
old340dog mopar Joined: Feb 2003 Posts: 607 NY	I've got to rebuild my 340 this winter.It has a auto 727. I have considered a 360 instead. Either way it will not be a stock rebuild. Will have some extras. If I decided to swap the 340 out for the 360. What do I have to change? Are the oil pans the same? someone told me I'd have to change the flexplate also. What years are best to look for. And out of what Mopar old340dog

Re: 340 verses 360 [Re: old340dog] #196483 01/19/09 07:30 PM 01/19/09 07:30 PM
Joined: Jan 2003 Posts: 9,826 las vegas 70AARcuda master
70AARcuda master Joined: Jan 2003 Posts: 9,826 las vegas	oil pan is different in the rear main area...or there is a spacer available so you can use the 340 pan... you will need a flexplate and damper for a 360. Tony 70 AARCuda Vitamin C 71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield) 71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas) 71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)

Re: 340 verses 360 [Re: 70AARcuda] #196484 01/19/09 07:46 PM 01/19/09 07:46 PM
Joined: Jan 2003 Posts: 25,200 Upper Midwest M MoparforLife Too Many Posts
MoparforLife Too Many Posts M Joined: Jan 2003 Posts: 25,200 Upper Midwest	Yes you will either need the B&M flex plate for an external balanced 360 or a torque converter with the weight for the external balanced 360. One or the other NOT both. Clean it, if it's Dirty. Oil it, if it Squeaks. But: Don't fix it, if it Works!

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