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shad NTL Member

Joined: 03 May 2003 Posts: 178 Location: South Burlington, VT
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Posted: Fri May 13, 2005 10:12 pm Post subject: widening a 79-85 toyota SFA without wheel spacers |
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Well here's the skinny on how to do the IFS hub body mod for a 79-85 toyota solid axle:
here's a example of he differences in the two hub bodies:
http://www.pirate4x4.com/forum/attachment.php?s=&postid=1649941
Purpose for this is to widen the axle without running a wheel spacer. This basically makes the front axle 58" wide instead of being 55" wide stock.
Here's where the thread started:
http://www.pirate4x4.com/forum/showthread.php?t=218389&page=1&pp=25
Ok first here's the list of parts needed:
86-95 IFS hub body.
Leave all the wheel studs on it keep all the hardware to it including the bolts that attach the IFS rotor to the hub body.
Also keep your IFS Rotors you will need them for a drilling template later on.
You can use the wheel seals and bearings for the SFA hub in the IFS hub
86-95 IFS calipers
FJ40 disk brake rotors not sure what year
You need longer bolts for the calipers because they attach to the outside of the knuckle mounts when you get done installing the IFS hub body. You can do this two ways either use a bolt and self locking nut to go through all the way or thread the caliper holes with a tap and thread a bolt through the caliper to secure it to the knuckle.
Here's what you need to do.
Drill out the threads on the knuckle. A 31/64" drill bit will do this nicely.
You will have to trim your dust sheild to fit the brake calipers on the outside of the knuckle.
I ended up trimming the whole thing and removed the whole dustsheild on mine.
Take your old IFS rotor lay it on top of your FJ40 rotor use c-clamps to secure them together using the IFS rotor attachment holes as a template on the FJ40 rotor drill them to match the pattern.
Bolt the newly drilled FJ40 rotor onto the IFS hub body the same was as you would a IFS rotor.
You may have to clearence the inside portion of the IFS brake calipers a little so the FJ40 rotor fits. With V6 IFS calipers there was no clearencing required.
Put the frankenstien together.
I found the IFS caliper will rub on the inside edge of my 15x8 wheels this can be taken care of using a 1/4" wheel spacer or grinding the outside of the caliper slightly so it clears the wheel which is prefered because you are trying to be without spacers in the front.
I'll get some pics of my own setup sometime. _________________ 82 Yota
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shad NTL Member

Joined: 03 May 2003 Posts: 178 Location: South Burlington, VT
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Posted: Sun May 15, 2005 3:02 pm Post subject: |
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Here's a few pics:
 _________________ 82 Yota
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shad NTL Member

Joined: 03 May 2003 Posts: 178 Location: South Burlington, VT
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Posted: Tue May 17, 2005 8:14 pm Post subject: |
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Finished doing the same thing to the other side. It went alot more smoothly than the first side did.
Here's a pic RJ took of my ugly mug grinding the dustsheild off.
Here's RJ's 1978 CJ7 with narrowed dana 60's axles e-lockers on 17" rims with 37x12.50 MTR's.
 _________________ 82 Yota
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