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Joined: Aug 2011
Posts: 47
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Aug 2011
Posts: 47 |
Anyone know what this casting number is for - 3835918 It's a six cylinder chevy head but I don't know what year or size engine.
Thanks
Craig
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Joined: Jul 2003
Posts: 264
Backyard Mechanic
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Backyard Mechanic
Joined: Jul 2003
Posts: 264 |
Is is not # 3835913? This is supposed to be a 1955-56 235 head but I have records of it being fitted from 1954-7. There will be a casting date code on the face of the head, possibly under the valve cover. Thye date code will be:
A TO L for Jan to Dec THEN
1 TO 31 for 1st to 31st of that month THEN
0 TO 9 for say 1940-1949 and 1950-1959
So A316 = January 31st 1946 or 1956 and so you then need the casting number to work out which decade it was!
There may also be a casting 'CON1' or similar, which means 'CONVEYOR 1' or whatever, to indicate which batch it was in if there is a defect found.
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Joined: Sep 2009
Posts: 6,689 Likes: 21
ChatMaster - 6,000
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ChatMaster - 6,000
Joined: Sep 2009
Posts: 6,689 Likes: 21 |
I couldn't find that number. Sorry, Charlie 
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
If the number is 3835913 it is a 1954-1955 head.In 1956 the hole for the temperature sender was made larger and this required a new casting number and part number. After 1956 if you required a new head for 1954-1955 they sold you a 1956 head and a bushing/fitting to reduce the hole size.
Gene Schneider
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Joined: Aug 2011
Posts: 47
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Aug 2011
Posts: 47 |
Thanks guys for all the good info. I'll have to go and recheck the numbers again and those other casting number/date code that was suggested. I'll be estatic if it's usable on a 54 as that's what I have in my panel. Let you know what I find in a couple of days..
Thanks
Craig
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