D3VE head milling
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Junior User
Joined: Jun 2003
Posts: 51
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D3VE head milling
Does anyone know how much I can machine off of D3VE heads before I have any fittment problems (intake and/or valve clearance) pistons are +040 smog (big dish) the cam will be comp extreme 4X4 270/278 advirtised 226/234 @ .050 .554/.574 lift I'm trying to stick with these heads for now due to budget issues. Mill work for me is cheap/free. what would the net compression be? its about 8.0:1 now
Postmaster
Joined: Aug 2001
Posts: 2,882
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From: Nevada
D3VE head milling
Amount of stock to remove to assure correct mating of ports;
----------------------------------------------Remove from Intake
Engine-----Removed from head/block----------Sides-------Bottom
429-460----------.010------------------------.010--------.014
------------------.020------------------------.020--------.028
------------------.030------------------------.030--------.042
------------------.040------------------------.040--------.057
----------------------------------------------Remove from Intake
Engine-----Removed from head/block----------Sides-------Bottom
429-460----------.010------------------------.010--------.014
------------------.020------------------------.020--------.028
------------------.030------------------------.030--------.042
------------------.040------------------------.040--------.057
Postmaster
Joined: Aug 2001
Posts: 2,882
Likes: 0
From: Nevada
D3VE head milling
I don't see any problem with valve clearance, but it's always a good idea to mock it up for insurance.
You need all the data on your engine, including deck height, to determine C/R.
You need all the data on your engine, including deck height, to determine C/R.
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