223 head bolt length difference
Thread Starter
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Laughing Gas
Joined: Feb 2006
Posts: 892
Likes: 85
From: Western Massachusetts
223 head bolt length difference
Why are the later model 223, 1/2" head bolts quite a bit longer than the earlier years 7/16" head bolts? I'm putting a later head on my rebuilt block that is bored for 7/16" bolts. I need to purchase new head bolts anyway. Should they be longer than the originals? Both heads are the same height. Washers are available to bush from 1/2 to 7/16".Thank youBob
Elder User
Joined: Sep 2008
Posts: 563
Likes: 0
From: DeKalb, Ill.
I think the length is not as important as the diameter (as long as you're going thicker). If your new head calls for a 1/2" bolt, I would find out about drilling and tapping your block for 1/2" bolts. I would be a little apprehensive about using bushings/washers on my head bolts. Look into it some more.
Thread Starter
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Laughing Gas
Joined: Feb 2006
Posts: 892
Likes: 85
From: Western Massachusetts
The washers shouldn't be a problem murph. They are made/sold by ARP for that purpose. Apparently the hot rod ford guys use them to put 351 heads on a 302. I have read on the other FTE forum that the 7/16 bolts are known for breaking during torqueing on this motor. I agree boring the block to 1/2" would be good but $$ are an issue to. Thanks Bob
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
1952/53 215 & 1954/60 223 I-6's:
16) B2AZ6065A .. Head Bolt / 7/16" -14 x 4.06"
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1961/64 223 & 262 I-6's:
16) C1TE6065B .. Head Bolt / 1/2" -14 x 4.44"
KLIMESH AUTO SALES (Ford Dealer) in Calmar IA has 33 = 563-562-3241.
GREEN SALES CO. in Cincinnati OH has 48 = 800-543-4959.
16) B2AZ6065A .. Head Bolt / 7/16" -14 x 4.06"
-----------------------------------------------
1961/64 223 & 262 I-6's:
16) C1TE6065B .. Head Bolt / 1/2" -14 x 4.44"
KLIMESH AUTO SALES (Ford Dealer) in Calmar IA has 33 = 563-562-3241.
GREEN SALES CO. in Cincinnati OH has 48 = 800-543-4959.
