head date

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   can someone explain to me how to read the Head Date? I looked into the date base and did not see an explanation as to how to understand the significance of the numbers.

This is the head on the metro I am presently using.

Thank you!

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GloucesterBoy Members Profile Send Private Message Find Members Posts Add to Buddy List Member Joined: 11 July 2010 Location: Southern NJ Status: Offline Points: 280	Post Options Post Reply Quote GloucesterBoy Report Post Thanks(0) Quote Reply Topic: head date Posted: 16 Mar. 2019 at 1:51am
	can someone explain to me how to read the Head Date? I looked into the date base and did not see an explanation as to how to understand the significance of the numbers. This is the head on the metro I am presently using. Thank you!
	Jerry '47 CJ2A #96661

Mark W. Members Profile Send Private Message Find Members Posts Add to Buddy List Member Sponsor Member Joined: 09 Nov. 2014 Location: Silverton, OR Status: Offline Points: 7986	Post Options Post Reply Quote Mark W. Report Post Thanks(0) Quote Reply Posted: 22 Mar. 2019 at 3:52pm
	There is no date in your photo The 6-48 is the compression ratio of the head, The G40181 is the casting number and the W 1 is the foundry that cast the head.
	Chug A Lug 1948 2A Body Customized 1949 3A W/S 1957 CJ5 Frame Modified Late 50's 134L 9.25"clutch T90A D18 (1.25") D44/30 flanged E-Locker D25 5.38 Since 1962

GloucesterBoy Members Profile Send Private Message Find Members Posts Add to Buddy List Member Joined: 11 July 2010 Location: Southern NJ Status: Offline Points: 280	Post Options Post Reply Quote GloucesterBoy Report Post Thanks(0) Quote Reply Posted: 23 Mar. 2019 at 1:03am
	thank you Mark!
	Jerry '47 CJ2A #96661

Bruce W Members Profile Send Private Message Find Members Posts Add to Buddy List Member Joined: 29 July 2005 Location: Northeast Colorado Status: Offline Points: 9652	Post Options Post Reply Quote Bruce W Report Post Thanks(0) Quote Reply Posted: 23 Mar. 2019 at 1:27am
	7/18 is a casting date code, but I'm not sure how to read it. Seventh month, eighteenth day? What year? Somewhere between 1945 and 1951? BW
	It is NOT a Jeep Willys! It is a Willys jeep. Happy Trails! Good-bye, Good Luck, and May the Good Lord Take a Likin' to You! We Have Miles to Jeep, Before We Sleep.

Mark W. Members Profile Send Private Message Find Members Posts Add to Buddy List Member Sponsor Member Joined: 09 Nov. 2014 Location: Silverton, OR Status: Offline Points: 7986	Post Options Post Reply Quote Mark W. Report Post Thanks(0) Quote Reply Posted: 23 Mar. 2019 at 1:39am
	Bruce must have a better monitor then I do. I read that as 6-48 OH or maybe just his eyes are better. This getting old is starting to suck.
	Chug A Lug 1948 2A Body Customized 1949 3A W/S 1957 CJ5 Frame Modified Late 50's 134L 9.25"clutch T90A D18 (1.25") D44/30 flanged E-Locker D25 5.38 Since 1962

Bruce W Members Profile Send Private Message Find Members Posts Add to Buddy List Member Joined: 29 July 2005 Location: Northeast Colorado Status: Offline Points: 9652	Post Options Post Reply Quote Bruce W Report Post Thanks(0) Quote Reply Posted: 23 Mar. 2019 at 5:58am
	I have to admit - I opened the picture in another tab and then enlarged it. BW
	It is NOT a Jeep Willys! It is a Willys jeep. Happy Trails! Good-bye, Good Luck, and May the Good Lord Take a Likin' to You! We Have Miles to Jeep, Before We Sleep.