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Old 10-23-2010, 09:20 AM   #1 (permalink)
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D3VE-A2A vs E7TE 460 Heads

Hi, I am looking for some information regarding D3VE heads vs the later E7TE efi heads. Which one would be best on a mostly stock truck engine. I'm thinking mild or stock cam, performer intake, and some good exhaust. Thoughts???
Thanks..
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Old 10-23-2010, 09:49 AM   #2 (permalink)
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Re: D3VE-A2A vs E7TE 460 Heads

Well a lot of people bash on the D3VE heads saying they are "prone to detenation". They're open chamber with large runners and valves. In reality these were fords last hold on power before 74 emissions made them nerf the hell out of heads forcing quinch chambers small runners and everthing else. I'm sure there will be 50 posts after this as to why they are terrible but I bet none of them will be from people that have actually ran them.
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Old 10-23-2010, 10:21 AM   #3 (permalink)
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Re: D3VE-A2A vs E7TE 460 Heads

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Originally Posted by tgramm View Post
Well a lot of people bash on the D3VE heads saying they are "prone to detenation". They're open chamber with large runners and valves. In reality these were fords last hold on power before 74 emissions made them nerf the hell out of heads forcing quinch chambers small runners and everthing else. I'm sure there will be 50 posts after this as to why they are terrible but I bet none of them will be from people that have actually ran them.
one guess who never ran them or know what he's talking about . --- give up it's tgramm . no need for the other 49 post
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Old 10-23-2010, 10:40 AM   #4 (permalink)
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Re: D3VE-A2A vs E7TE 460 Heads

If the E7s are the fuel injected heads, the intake and exhaust manifolds are different the earlier heads. That was during the change over period so check them.
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Old 10-23-2010, 10:55 AM   #5 (permalink)
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Re: D3VE-A2A vs E7TE 460 Heads

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Originally Posted by firehorse5_0 View Post
Hi, I am looking for some information regarding D3VE heads vs the later E7TE efi heads. Which one would be best on a mostly stock truck engine. I'm thinking mild or stock cam, performer intake, and some good exhaust. Thoughts???
Thanks..
go with the D3 heads , supporting parts are available for those heads . want to up the comp. ratio ? use C8 ,C9 or the DOVE head , about 15 cc smaller chambers

Last edited by DanH; 10-23-2010 at 10:59 AM.
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Old 10-25-2010, 10:23 AM   #6 (permalink)
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Re: D3VE-A2A vs E7TE 460 Heads

firehorse5.0 , forgot to ask . you have both heads now ?
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Old 10-25-2010, 12:47 PM   #7 (permalink)
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Re: D3VE-A2A vs E7TE 460 Heads

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firehorse5.0 , forgot to ask . you have both heads now ?
Have an '86 F350 The engine in it needs a compleat rebuild or replaced. I also have a 64k mi '76 460 with the D3VE heads in good shape. I was considering using this engine after getting the correct flywheel. I also have the option to buy back at a reasonable price an EFI 460 with the E7TE heads that I rebuilt for a guy a few years back, very low miles. I rebuilt that motor mostly stock, .030" over and a Comp EFI cam. I would also get a 5 speed trans with the EFI engine.
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Old 10-25-2010, 02:51 PM   #8 (permalink)
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Re: D3VE-A2A vs E7TE 460 Heads

[QUOTE=tgramm;1603620]Well a lot of people bash on the D3VE heads saying they are "prone to detenation". They're open chamber with large runners and valves.


BTW, I thought the D3VE heads were closed chamber and the D2?? were the only open chamber heads?? But then again I don't know that much about 460 heads.
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Old 10-25-2010, 03:29 PM   #9 (permalink)
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Re: D3VE-A2A vs E7TE 460 Heads

[QUOTE=firehorse5_0;1603972]
Quote:
Originally Posted by tgramm View Post
Well a lot of people bash on the D3VE heads saying they are "prone to detenation". They're open chamber with large runners and valves.


BTW, I thought the D3VE heads were closed chamber and the D2?? were the only open chamber heads?? But then again I don't know that much about 460 heads.
your right about the D3 and D2 heads . Thats coverd in my reply (#3) tgramm gave all wrong info

Last edited by DanH; 10-25-2010 at 03:46 PM.
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Old 10-25-2010, 08:24 PM   #10 (permalink)
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Re: D3VE-A2A vs E7TE 460 Heads

Just as Dan said the D3VE's are closed chamber heads. The D2's are open chamber and yes those are prone to detonation (the D2's only). D3's are really close-port wise-to the D0VE's but obviously the D3's have bolt-down rockers and bigger chambers.

The E7's have TINY ports and-well-the only intake that fits them is the EFI intake (fuelie's). Just spotted one in the junkyard today and thought to myself, man how do they breathe? SO-if you plan to use the stock intake off of the later model engine, it won't work on an older engine's heads with the big ports.

From a performance (or even a STOCK) setup, the fuelie heads SUCK. The earlier heads are a ton better than the fuelies. The fuelies are good for torque but anything over 3500 RPM, they're DONE. That's right about where the D3's are really doing well. The downsides to the D3's-bolt down rockers (not a problem if you're using a stock style camshaft-just check the lifter preload), from a performance standpoint, unported they're "so-so" as far as 460 heads go, BUT they're a TON better than E7's!
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Old 10-27-2010, 12:04 PM   #11 (permalink)
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Re: D3VE-A2A vs E7TE 460 Heads

Thanks!! This is the info I was looking for. Does anyone know what the comp ratio would be in a 76 with the D3s? Were the pistons dish or flat in 76? The engine in question came out of a truck.
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Old 10-27-2010, 02:16 PM   #12 (permalink)
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Re: D3VE-A2A vs E7TE 460 Heads

C/R can be in the low 8's , easy way to up the Comp Ratio is to use C8/C9/ DOVE heads (1968 thru 1971)
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Old 10-27-2010, 03:11 PM   #13 (permalink)
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Re: D3VE-A2A vs E7TE 460 Heads

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Thanks!! This is the info I was looking for. Does anyone know what the comp ratio would be in a 76 with the D3s? Were the pistons dish or flat in 76? The engine in question came out of a truck.
Dished pistons and they are usually down in the hole a bunch! More than likely 7.8-8.0 on the compression.
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Old 10-27-2010, 04:48 PM   #14 (permalink)
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Re: D3VE-A2A vs E7TE 460 Heads

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Dished pistons and they are usually down in the hole a bunch! More than likely 7.8-8.0 on the compression.
Yup, the original piston in my truck came out to somewhere around 8.0.(77 truck motor). If I remember right the flat tops I put in it brought it up to about 9.5.
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