cat 6nz with 3406e head - Diesel Truck Forum -
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post #1 of 4 (permalink) Old 02-21-2013, 11:15 PM Thread Starter
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cat 6nz with 3406e head

HEY THERE im a new user
i got a cat c15 6nz
im trying some custom head work need help if anyone can
put a 3406e head on a c15 6nz using all the 6nz gaskets, o-rings, spacer plate buttoned her up and started putting coolant in the radiator and it started leaking out between the deck and spacer plate on the passenger side 1-6
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post #2 of 4 (permalink) Old 03-18-2013, 09:03 AM
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This should be in the heavy duty section.

Maybe a crush coolant gasket shifted when you set the heat on. maybe the deck height is wrong. Someone else will probably know but will the e head even work on a 6nz.

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post #3 of 4 (permalink) Old 03-20-2013, 06:50 PM
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The early "E" was a "C" block with the head and gear case changed. The blocks had the cam bearings in the block but not drilled.
I would be looking for missing sealing rings, and or spacer plate gasket.

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post #4 of 4 (permalink) Old 06-13-2013, 06:42 PM Thread Starter
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finely got it figured out on some of the heads the coolant ports don't line up and my head port were way off so got new head and every thing sealed up really nice
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