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magnum motor to 904 #1329330 10/31/12 10:11 PM 10/31/12 10:11 PM
Joined: Apr 2004 Posts: 414 No. cal., sacramento usa S speedy383 OP mopar
speedy383 OP mopar S Joined: Apr 2004 Posts: 414 No. cal., sacramento usa	I am installing a 360 magnum motor in a 73 duster with a 904 trans.What is the correct flex plate to use or this, i assume this is an externally balanced engine.The engine pad is 95k 360 3566 1 152 ab with 1230 under these numbers.The block has 07098, Also will a la360 pan and pickup swap ih. Thanks,

Re: magnum motor to 904 [Re: speedy383] #1329331 10/31/12 10:13 PM 10/31/12 10:13 PM
Joined: Jan 2003 Posts: 9,826 las vegas 70AARcuda master
70AARcuda master Joined: Jan 2003 Posts: 9,826 las vegas	b&m used to sell a magnum to 904 flex plate but stopped...the magnum is externally balanced and different from the LA 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: magnum motor to 904 [Re: 70AARcuda] #1329332 10/31/12 10:28 PM 10/31/12 10:28 PM
Joined: Oct 2009 Posts: 87 Bama B BigDawg72 member
BigDawg72 member B Joined: Oct 2009 Posts: 87 Bama	I bought one from Cope Racing Transmissions (a Moparts board sponsor) several years ago. Don't see the exact one here but maybe this will help Cope Racing Transmissions

Re: magnum motor to 904 [Re: speedy383] #1329333 10/31/12 11:10 PM 10/31/12 11:10 PM
Joined: Aug 2007 Posts: 2,356 Kentucky D dfsmopars top fuel
dfsmopars top fuel D Joined: Aug 2007 Posts: 2,356 Kentucky	Got one from a bone yard from a 2002. Opened up one of the holes and it was great. If you like spirited driving with the 360 don't expect the 904 to hold up long. I created an oil pan by welding the LA bottom half to the Magnum top half. It too has worked well. ‘72 Charger, 5.9 Magnum, Tremec 5 spd., Pro-Touring ‘14 Big Horn, Quad Cab, 4x4, 1500

Re: magnum motor to 904 [Re: dfsmopars] #1329334 11/01/12 12:05 AM 11/01/12 12:05 AM
Joined: Jan 2005 Posts: 3,699 Newport, Mi Evil Spirit master
Evil Spirit master Joined: Jan 2005 Posts: 3,699 Newport, Mi	Quote: Got one from a bone yard from a 2002. Opened up one of the holes and it was great. If you like spirited driving with the 360 don't expect the 904 to hold up long. I created an oil pan by welding the LA bottom half to the Magnum top half. It too has worked well. Yeah, once you start running mid 9's the 904 starts to get a bit iffy. Free advice and worth every penny... Factory trained Slinky rewinder.........

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