14 bolt SF - 8 lug swap to 6 lug ?'s
11-11-2010, 12:40 AM
#11
The 8 lug 14 bolt 9.5 hosings in the 99-00 2500's are based on the OBS housings and have a wms-wms of 67.5 as apposed to the later SS VHO style that are 68.5 wms-wms . They do have the same leaf springs mounts and shock mounts as the 99-07 style trucks. How ever the brake mounting flanges are different. I am not sure what rotors you will be able to use either...
Axle lengths are different, shaft diameter, and bearings are also different along with seals. You need axles from a 88-98 14 bolt 9.5 4x4 with 6 lug sich came in 1500 heavy duty or 3/4 Light duty chassis. The outer flanges will not fit inside the NBS style disc. You will need to turn them down.
https://www.performancetrucks.net/fo...d.php?t=467473
Axle lengths are different, shaft diameter, and bearings are also different along with seals. You need axles from a 88-98 14 bolt 9.5 4x4 with 6 lug sich came in 1500 heavy duty or 3/4 Light duty chassis. The outer flanges will not fit inside the NBS style disc. You will need to turn them down.
https://www.performancetrucks.net/fo...d.php?t=467473
Last edited by 1FastBrick; 11-11-2010 at 12:47 AM.
11-11-2010, 02:31 AM
#12
Once I get back in the states I plan on converting a 14 bolt FF to 6 lug. There was a company doing it but they went out of business. Wish I could contact them to get the bearing info and axle info.
11-12-2010, 10:40 AM
#14
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The 8 lug 14 bolt 9.5 hosings in the 99-00 2500's are based on the OBS housings and have a wms-wms of 67.5 as apposed to the later SS VHO style that are 68.5 wms-wms . They do have the same leaf springs mounts and shock mounts as the 99-07 style trucks. How ever the brake mounting flanges are different. I am not sure what rotors you will be able to use either...
Axle lengths are different, shaft diameter, and bearings are also different along with seals. You need axles from a 88-98 14 bolt 9.5 4x4 with 6 lug sich came in 1500 heavy duty or 3/4 Light duty chassis. The outer flanges will not fit inside the NBS style disc. You will need to turn them down.
https://www.performancetrucks.net/fo...d.php?t=467473
Axle lengths are different, shaft diameter, and bearings are also different along with seals. You need axles from a 88-98 14 bolt 9.5 4x4 with 6 lug sich came in 1500 heavy duty or 3/4 Light duty chassis. The outer flanges will not fit inside the NBS style disc. You will need to turn them down.
https://www.performancetrucks.net/fo...d.php?t=467473
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