rear end and engine swap?
Thread Starter
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Mountain Pass
Joined: Feb 2006
Posts: 174
Likes: 1
rear end and engine swap?
i was burning some rubber and something broke in the rear. i know it was stupid. but i have 2 trucks so its not that bad. it clicks as i drive but it does drive in 4 wheel. what is it most likely? i am changing the wole rear probably from a rusted truck for only $150.
also can i hook a 460 right up to my 390 transmisiion in this 72 f250? or will it be costly and difficult? it is a married transfer case? the motor is blowing a lot of smoke ince i bought it, and there is no power. so rebuild the 390 or replace it? my 73 has 460 and i love it.
also can i hook a 460 right up to my 390 transmisiion in this 72 f250? or will it be costly and difficult? it is a married transfer case? the motor is blowing a lot of smoke ince i bought it, and there is no power. so rebuild the 390 or replace it? my 73 has 460 and i love it.
Last edited by 4x4bigblock; Mar 7, 2006 at 08:05 PM.
Senior User
Joined: Nov 2005
Posts: 132
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more than likely you messed up the spider gears in the third member or messed up the ring and pinion in the rear.... try to find you a Dana 60 rear for replacement.... i dont think the 460 will bolt up to the 390 tranny because i think the bellhousing is different
Thread Starter
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Mountain Pass
Joined: Feb 2006
Posts: 174
Likes: 1
ok thank you. is it better to buy new parts than whole used rear? i can get what the guy calls a floater rear the whole thing for 150?
i guess it depends on what we have. mine does not have a inspection cover i have to drop it form the front. he does not what size his is either.. . is there an easy way to tell what we have?. i have decided to rebuild the motor this summer.
mike
i guess it depends on what we have. mine does not have a inspection cover i have to drop it form the front. he does not what size his is either.. . is there an easy way to tell what we have?. i have decided to rebuild the motor this summer.
mike
Fleet Owner
Joined: Jun 1999
Posts: 24,552
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From: Creedmoor, North Carolina
Mike, The F250 would have a Dana 60 in it already. When looking for a replacement you will need to use the same ratio as it needs to match the ratio of the front. It sounds like you are driving in front wheel drive.
No the 460 will not bolt up to the FE tranny, different bolt patterns.
If your pockets are deep enough you can put gears and axles in there that are harder to tear up.
John
No the 460 will not bolt up to the FE tranny, different bolt patterns.
If your pockets are deep enough you can put gears and axles in there that are harder to tear up.
John
Junior User
Joined: Jan 2004
Posts: 54
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From: syracuse, kansas
one of the weak spots in a Dana 60 is the cross shaft in the spiders
Did you have a lot of wheel hop during the burnout? That would do it. You can probably go to the salvage yard and get the parts easy. Rebuild that 390, a good one will drag a 460 off.
Senior User
Joined: Nov 2005
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Senior User
Joined: Jun 2005
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i know not much help but i found rear end parts from a guy in the rear of the magazine .. cant for the life of me rember who it was but to my suprise it was really reasonable .. you could get spideres pins , shims hole kits what ever you needed ... russ
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Post Fiend
Joined: Sep 2004
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From: Near Fresno, California
Originally Posted by 1972ford_f-100
so this may be a dumb question wut is a floting rear end
Most 1/2 ton trucks use a semi-floating axle (like the Ford 9 inch). On the carrier side the axle just slides into the pinion assembly, on the wheel end there is a pressed on bearing that bears the weight of the truck.
Full floating rear ends are very sturdy and carry a lot of weight - they are extra heavy duty devices designed for loaded, working trucks. For speed, gas economy, and ride the less masive 9 inch may be a better choice.
