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Just another DuraMax swap
Author: hal (Show all albums)

Converting 669 to an oil burner.
Show Newest Photos First | Show Oldest Photos First223 Photos - Page : [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19]


Here's the bracket installed.


This backing plate will go on the inside frame rail to distribute the load.


Another view of the pass side mount.


Got to start on some of the fun stuff. Here's the pass side motor mount to frame bracket. It'll be bolted in for ease of removal.


Here is a shot of the transfer punch. All that was left was drilling the 4 3/4" holes in the 1.5" thick by 2 1/2" differential support. Lots of chips. Sorry I didn't get any pictures of the actual support.


I transfered the 7" bolt pattern of the differential mounting to the plate and added the hole 1.75"further along it. Using this I placed a bolt in the new hole (1.75" hole) and transfered the 7" pattern.


Decided to move the diff forward as per Stephem's suggestion. I limited the move to 1 3/4" to help maintain exhaust distance. Here is the template I made out of some scrap laying around.


(1 Comments)
Here you can really tell how restricted the exhaust was.


Here's the infamous stock down pipe


Not too pretty but it'll be hidden.


I reinstalled the OEM heat shield. Had to beat in up a little where the factory had followed the stock bends. Had to make a couple new brackets to hold it in place.


Added an after market down pipe. The OEM's had lots of crushed places that were needed to clear the fire wall. These flow much better and help with maintaining exhaust as well as engine temps.
Show Newest Photos First | Show Oldest Photos First223 Photos - Page : [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19]

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