Lowering rear end
Thread Starter
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Mountain Pass
Joined: Aug 2017
Posts: 169
Likes: 7
Got done this weekend. I replaced the original blocks with the 2016 blocks, which lowered the rear end about an inch and a quarter. Took about an hour and a half, and I replaced the U-bolts with new, shorter ones as well. There are enough threads on the original u-bolts for those who want to reuse them, but one issue you would have would be that a deep-well socket wouldn't be long enough to reach the nut, so you would either have to use a wrench or cut off the excess threads. In my opinion, for no more than they cost, the new shorter U-bolts are worth the money. For those of you who are interested, the part number for the shorter blocks is 6C3Z-5598-A, and the shorter U-bolts is BC3Z--5705-K. I ordered everything from Tasca, and I think it came to about $175 with shipping. It was a fair amount of manual labor while lying on your back, but overall I'm happy with the project.
Prolocutor
Joined: Jan 2009
Posts: 13,618
Likes: 1,245
From: Western MA
No, the process would be the same. The block sits under the rear spring pack so the camper package on a 250 adding the upper overload would make no difference. The camper package adds nothing to the spring pack of a 350 so again, no difference there.
Tuned
Joined: Sep 2009
Posts: 250
Likes: 84
From: Taxachusetts
Got done this weekend. I replaced the original blocks with the 2016 blocks, which lowered the rear end about an inch and a quarter. Took about an hour and a half, and I replaced the U-bolts with new, shorter ones as well. There are enough threads on the original u-bolts for those who want to reuse them, but one issue you would have would be that a deep-well socket wouldn't be long enough to reach the nut, so you would either have to use a wrench or cut off the excess threads. In my opinion, for no more than they cost, the new shorter U-bolts are worth the money. For those of you who are interested, the part number for the shorter blocks is 6C3Z-5598-A, and the shorter U-bolts is BC3Z--5705-K. I ordered everything from Tasca, and I think it came to about $175 with shipping. It was a fair amount of manual labor while lying on your back, but overall I'm happy with the project.
Thanks
Senior User
Joined: Oct 2017
Posts: 319
Likes: 4
Wouldn't the u-bolts be different?
Tuned
Joined: Sep 2009
Posts: 250
Likes: 84
From: Taxachusetts
I believe he his saying the camper spring is bolted to the top of the spring pack, not clamped by the U bolts so it is not adding girth to the spring pack so the U bolts are not longer.
Prolocutor
Joined: Jan 2009
Posts: 13,618
Likes: 1,245
From: Western MA
Exactly. The camper package has no effect on u-bolt length.
Senior User
Joined: Mar 2017
Posts: 173
Likes: 2
From: Pratt, KS
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Thread Starter
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Mountain Pass
Joined: Aug 2017
Posts: 169
Likes: 7
The part number for the U-bolt is just 1 U-bolt, so you would need 4 total. Doesn't include the nuts. I reused those.
Tuned
Joined: Sep 2009
Posts: 250
Likes: 84
From: Taxachusetts
I may call them tomorrow and speak to a human and if I can find out the quantity per part number I will update everyone.
Laughing Gas
Joined: Sep 2017
Posts: 1,136
Likes: 264
From: Southwestern Pa.
Got done this weekend. I replaced the original blocks with the 2016 blocks, which lowered the rear end about an inch and a quarter. Took about an hour and a half, and I replaced the U-bolts with new, shorter ones as well. There are enough threads on the original u-bolts for those who want to reuse them, but one issue you would have would be that a deep-well socket wouldn't be long enough to reach the nut, so you would either have to use a wrench or cut off the excess threads. In my opinion, for no more than they cost, the new shorter U-bolts are worth the money. For those of you who are interested, the part number for the shorter blocks is 6C3Z-5598-A, and the shorter U-bolts is BC3Z--5705-K. I ordered everything from Tasca, and I think it came to about $175 with shipping. It was a fair amount of manual labor while lying on your back, but overall I'm happy with the project.