Join Date: Mar 2010
Location: Stockbridge, Mi.
Thanked 7 Times in 6 Posts
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That is correct. The t-stat fits into a grove in the upper housing.
What I want to do is raise that whole 3c3z-8575-aa t-stat housing and oring from the lower housing.
sorry if my upper/lower wordage is incorrect
No... What I'm saying is the bottom of the thermostat has a round disk that has to block a hole in the bottom of the front cover where the stat fits into.
This lower disk is not the part that opens, the upper disk is the part that moves to open and let water through.
The lower disk has to be positioned at the correct depth, if you add a spacer under the stat and raise it up the pump will just circulate water through the radiator but not into the engine block.
Look at the photo (courtesy of BPD).
2006 F-450 XLT 4x4 Auto 4.30L Alcoa 19.5" 16,000 GVWR
Kelderman 4-Link/4-Bag Rear Suspension, Lariat Seats, '08 Console, '11 Mirrors, CTS, SCT X3
ARP's w/OEM HG, BPD 6ph FICM @ 58v, BPD Oil Cooler w/stat, Ported Intake, 185 amp Alt
P-Max w/WPE billet wheel, Spearco IC, 4" Banks Exhaust, Shell T6, Zerex EC-1, Oil bypass filter
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Last edited by Arctic Fox; 05-21-2012 at 02:33 PM.