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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 First219 Photos - Page : [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19]


Finished the heat shield for the mufler and got the water pump plumbed in for the inter cooler radiator.

(1 Comments)
Here is a view of the water valves for the heaters and water heater heat exchanger. I wanted to be able to isolate any one or all of them 'just in case'. I know, overkill.

The radiator pressure/fill tank mounted with good access. This tank was used on the mid duty trucks with the DMax so should have the required capacity.

Here's a look at the CAC radiator fan shroud and partial heat shield to the right. The fuel pump, pressure regulator and primary fuel filter are mounted on the firewall.


I made the shroud two piece for ease of service later if needed ("if needed", RIGHT!)

Hear's a look at the fan shroud. The shroud is unusual as the shroud surrounds a second shroud that is attached to the engine which has a flexible gasket between the two. It permits the engine to move inside the main large shroud but maintains perfect blade tip to shroud distance. GM used this approach on their Duramax engines. This one was used on the 25" fans on later(2011-2016) engines

I ended up moving the aux trans cooler to this location. It will be the primary fluid cooling heat exchanger then go through a pair of water to oil coolers.

Got the fans mounted for the CAC radiator. These were used on 1995 VW Sciracco's as is the radiator. Unusual in that the main two speed fan, belt drives the secondary fan. The high speed will be trigered using a thermo switch that comes on at 140, off at 125.


(4 Comments)
Here you can see the improved shock angle and the barely see the lower re-enforced shock bracket.

Finally got the last fittings and finished the brake lines. Had to make a couple of 90 degree brackets to redirect the front brake hoses. Bleed the brakes with DOT5 fluid so hope that project is complete. Got the new front shocks mounted also.

(1 Comments)
New upper shock mount. I'm using longer rear shocks and needed to raise the mount to avoid U-joint bind. Project kreep keeps raising its ugly head.

Front side of reinforcement.
Show Newest Photos First | Show Oldest Photos First219 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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