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I want to switch to a LBP
https://slantsix.org/forum/viewtopic.php?t=36950		 Page 1 of 1
Author:  pwntatochip [ Thu Sep 03, 2009 8:39 am ]
Post subject:  I want to switch to a LBP
I have a 1963 dodge dart and really want to switch from the 5x4" pattern to a 5x4.5" pattern. I checked around and couldn't find any threads that list what parts I need. Thank you for helping me out.

This is for all four wheels and it is the 225 if that matters.
Author:  2 Darts [ Thu Sep 03, 2009 9:01 am ]
Post subject: 
Please keep in mind that all A-body all-drum brake cars used the SBP. The donor car needs to be a 73 or later disk brake car. These are the ones with BBP hubs. Some substitutions are possible and are noted.

You'll need a rear axle assembly. The rear end in your car is probably a 7¼. If this is the case, pull the axle shafts, brake drums, and backing plates from a 7¼ . A potential substitute is the 9 inch Ford rear from a 64-66 Mustang or the leaf sprung Grenada or Monarch. Length is okay and the spring perches are the same distance apart as the A-body.

For the front, you'll need the upper control arm, disk brake spindle, caliper, rotor, and associated small parts. The UCA has a larger ball joint that is needed to connect to the disk brake spindle. In a pinch the spindle and brakes from a 68-70 B-body or the F/M/J body will fit. It alters suspension geometry a little. You'll need hoses for the 73 and later DB A-body, too.

To control all of this, you'll need the master cylinder and proportioning valve from a disk brake car. You could go with assisted or non-assisted brakes. It doesn't matter as far as the brakes are concerned. If you decide to change to assist, get everything from the brake pedal forward.

It's not a difficult swap. I like the improved brake performance and expanded choice of wheels. Besides aftermarket, the Magnum 500 or Mopar cop car wheel can be fitted.
Author:  66aCUDA [ Thu Sep 03, 2009 11:09 am ]
Post subject: 
That should read 8 Inch Ford.
Frank
Author:  Charrlie_S [ Thu Sep 03, 2009 3:19 pm ]
Post subject: 
Quote:

You'll need a rear axle assembly. The rear end in your car is probably a 7¼. If this is the case, pull the axle shafts, brake drums, and backing plates from a 7¼ .
You will need to swap the complete rear assy. It is not possible to swap axle shafts, drums and backing plates, from a big bolt pattern 7 1/4 rear to a small bolt pattern 7 1/4 rear
Author:  bigslant6fan [ Fri Sep 04, 2009 1:22 pm ]
Post subject: 
I agree with charlie,that WRONG info is from the mopar performance book.I got burned that way myself 10 years ago.You have to watch out when you read the MP books,90% is correct,10% is wrong.
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