Flexplate
#237919
02/27/09 01:56 PM
02/27/09 01:56 PM
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Joined: May 2004
Posts: 1,522 Ste-Sophie, Quebec, Canada
Wedgeman
OP
pro stock
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OP
pro stock
Joined: May 2004
Posts: 1,522
Ste-Sophie, Quebec, Canada
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HI , When installing an early 360 magnum engineto an old 904, which flexplate do I use ? the one from the magnum or the LA engine ? THanks for the info Dan
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Re: Flexplate
[Re: 70Duster]
#237926
02/27/09 02:48 PM
02/27/09 02:48 PM
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Joined: Feb 2009
Posts: 982 W. Sacto CA. USA
phantomx
super stock
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super stock
Joined: Feb 2009
Posts: 982
W. Sacto CA. USA
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Do the flexplate, they work great. It will also make torque converter selection/replacement easier if you decide to change later. Travis..
70 GTX project, orig 440-4, 4 spd, track pack, FC7, stripper/street racer special.
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Re: Flexplate
[Re: Wedgeman]
#237930
02/27/09 03:06 PM
02/27/09 03:06 PM
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Joined: Feb 2009
Posts: 982 W. Sacto CA. USA
phantomx
super stock
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super stock
Joined: Feb 2009
Posts: 982
W. Sacto CA. USA
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Your current converter is neutral balance if it came from a 273 or 318. You are kinda confusing me with the "early" magnum. Is it a magnum or an LA 360? Just know that the two are balanced different and the magnum needs the tone ring flexplate. Travis..
70 GTX project, orig 440-4, 4 spd, track pack, FC7, stripper/street racer special.
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Re: Flexplate
[Re: Wedgeman]
#237931
02/27/09 03:09 PM
02/27/09 03:09 PM
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Joined: Jan 2003
Posts: 1,641 PA
70Duster
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,641
PA
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Quote:
Ok......so where do I ge a neutral balance conv ?
Are they expensive ? Can I find this in a junkyard ?
DAn
Get a torque converter that lived in a 904 and was bolted to a 273 or 318. Then use the B&M flexplate that is balanced for an early magnum and you will be all set! There should be more than a few to choose from in the junkyard.
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Re: Flexplate
[Re: Wedgeman]
#237933
02/27/09 03:11 PM
02/27/09 03:11 PM
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Joined: Jan 2003
Posts: 1,641 PA
70Duster
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,641
PA
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Re: Flexplate
[Re: Wedgeman]
#237935
02/27/09 03:57 PM
02/27/09 03:57 PM
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Joined: May 2003
Posts: 15,487 Florida
scratchnfotraction
I Live Here
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I Live Here
Joined: May 2003
Posts: 15,487
Florida
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you will need 360 motor mounts for the old LA style blocks to go in where a 273 was 273,318,340 are a different mount than a LA360 the mag engen will have the old LA engine mount bosses and some engine mount boss in the middle of the block for the magnum "ram" trucks mounts B&M flex plate for 360 magnum engine will use the 273,318,340, torque converters which are nutural balance the old 273 dist will fit in the mag engine the old LA style timming cover and v belts all bolt on the cam is a roller cam with a short nose and can not run a fuel pump there are adaptors for this to run the ecentric and stock fuel pump you will need a 360 car oil pan if you put it in a car its a great swap with a carb/intake,elect dist,headers into an older ride you can run the newer mini starter also which is a good upgrade for it as well
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Re: Flexplate
[Re: Wedgeman]
#237937
02/27/09 04:51 PM
02/27/09 04:51 PM
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Joined: Jan 2003
Posts: 25,823 Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,823
Rio Linda, CA
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The years of the engines could be a problem, in some years the 273 crankshaft has a smaller register for the converter pilot hub, to mate the 273 converter to a later LA or Magnum a spacer ring is needed.
If the Magnum is '96 or later and the crank position sensor is going to be retained the original flexplate must be retained and redrilled for the 904 converter.
Years make a difference, it's best to be specific.
The INTERNET, the MISinformation superhighway
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