Hi Tony,
I'd say it is for the modification done by the Australian army to re locate the muffler to in front of the grill. The hole would be to port the exhaust pipe out of the grill.
A look on the AWM collections will show a few jeeps modified like this. Here's one.
http://cas.awm.gov.au/item/094544
Picture # 094544.
Hope this helps,
Ian.
__________________
Ian Fawbert
1942 Script Willys MB, sn:131175
1942 Script Ford GPW, sn:11730
1944 Ford GPW
1943 #3 GMH jeep trailer
1945 #4 GMH, RAAF jeep Trailer
SOLD: Ford F15A. Aust. #? Office Body.
www.vintageengines.net
Last edited by Ian Fawbert; 23-12-12 at 03:59.
Reason: Missed the O in TOny!
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