Motor experts... need help
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Joined: Oct 2007
Posts: 3
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Motor experts... need help
I am new to building Ford engines. I recently bought a complete 302 (Unsure what year it is) and had a valve job done and while the block was at the machine shop they found a couple of cracks. So I found another block and internals (from a 1974 F-100) I was going to use the heads I just had redone on the new block, when I noticed the block and head gaskets have a water jacket hole above every piston and the heads don't have the water hole. Can the heads be drilled out or do I need to find some different heads?
The casting number on the block is D4DE-6015-AA 3J20 and the numbers on the heads inside the valve covers are 3K31 and 3K24 and there is a D80E on the bottom of the heads.
Any help would be greatly appreciated.
The casting number on the block is D4DE-6015-AA 3J20 and the numbers on the heads inside the valve covers are 3K31 and 3K24 and there is a D80E on the bottom of the heads.
Any help would be greatly appreciated.
Hotshot
Joined: May 2003
Posts: 11,141
Likes: 25
From: south louisiana
WHOA there Pardner!!!!!!!!!! Get another earlier set of heads first, prferably a set of C6OE 289 castings. Bolting the D8OE's on a 72-76 shortblock with the original dished pistons is going to net you a compression ratio in the 7 to 1 range. These engines (72-76) had 58 cc heads, you're adding another 11 ccs to the equation. The ratio will then be according to my calculations 7.35 to 1
Last edited by baddad457; Oct 28, 2007 at 07:55 PM.
