About that D1VE block again...
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Junior User
Joined: Oct 2003
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About that D1VE block again...
After some further analysis of Tom Monroe's V8 rebuilding book, I've come to a conclusion (Please correct me if I'm wrong):
The D1VE block is a '71 block with 10.31" deck height which is lower than the deck height on a '86 460 engine (the one I want to replace).
This means that given the same heads, I would have a slightly higher compression ratio.
Can anyone tell me off the top of their heads how much cc the early-mid-80s 460 heads have?
Thanks.
Ben
The D1VE block is a '71 block with 10.31" deck height which is lower than the deck height on a '86 460 engine (the one I want to replace).
This means that given the same heads, I would have a slightly higher compression ratio.
Can anyone tell me off the top of their heads how much cc the early-mid-80s 460 heads have?
Thanks.
Ben
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Joined: Dec 2003
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From: Indiana
Ok let's get it straight now. If he has a 86 engine and he puts his 86 heads on a 71 block he will gain compression. However the difference of using a .010" of shorter deck height block is'nt going to give you even a 1/10th of a point in compression gain. What are you trying to build maybe I can help you. Tom 
Last edited by prostocktom; Jul 4, 2004 at 01:40 PM. Reason: spelling
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Originally Posted by prostocktom
Ok let's get it straight now. If he has a 86 engine and he puts his 86 heads on a 71 block he will gain compression. However the difference of using a .010" of shorter deck height block is'nt going to give you even a 1/10th of a point in compression gain. What are you trying to build maybe I can help you. Tom
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