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Are 3v heads worth it?
#1
I'm my quest for low end power, I came across a set of 3V aluminum heads. They are apparently the best of the factory 2v and 4v heads but also made from aluminum. I've just never heard of anyone actually using them.
I have a 351C 4v with a cam (234/230 hydraulic roller) and an Edelbrock single plane intake. I was initially thinking of going with the Edelbrock RPM Air Gap intake. But with a rebuild in the future, I'm considering heads that promote more low end torque or maybe even a stroker (393/408).
I have been given some great advice from here so far. I woukd like to hear from you and see what you have to say.
Thanks in advance.
Mike
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#2
in my opinion with all the aftermarket heads out there. I say the 3V are not worth it unless you want the car to look stock. You will still make more power and torque with a good set of aftermarket heads than the original.

Eric


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DRIVE IT DON'T STORE IT!
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#3
You are very limited on intake manifold choice with the 3V heads. If hood clearance is an issue 2V or 4V heads offer more options.

http://www.the351cforum.com/viewtopic.php?f=6&t=102

73 conv. 460, D0VE large valve heads, Performer RPM manifold, Voodoo 227/233 cam, Holley 950 HP carb, C6 trans, 3.25 trak-loc.
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#4
TommyK;101328 Wrote:You are very limited on intake manifold choice with the 3V heads. If hood clearance is an issue 2V or 4V heads offer more options.

http://www.the351cforum.com/viewtopic.php?f=6&t=102

+1 to that. You may want to PM Tnfastbk. He built a stroker and with his aluminum heads ran into all kinds of clearance issues such as can't use a ram air set up because it sits too high.

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Just cruising along minding our own business when BAM!!! The LAWS show up.
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#5
Thank you everyone. I appreciate it.
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#6
What heads are they? Brand? I have AFD SP4V's which are a hi port head and YES there is some issues but they do perform very well. So you have to ask what you intend to do with the car?
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#7
Honestly, I didn't realize there were that many options. I've only heard of CHI. I really prefer something "user friendly". Not a ton of modifications. I don't really plan to race the car. I just want a fast daily driver. I "grew up" with Windsors and am missing that "below 2500RPM torque" that I get from my 393w.
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#8
cazsper;101320 Wrote:I'm my quest for low end power.......

I have a 351C 4v with a cam (234/230 hydraulic roller) and an Edelbrock single plane intake.......

First thing, swap that Torker for a dual plane, any dual plane... Air Gap should be a fine one, IMO.

Pete - MotoArts Decals and Signs
'71 Sportsroof 351C-4V/4-speed - FINALLY under construction - no, wait, on hold again...
'90 Mustang 7-Up 5.0 ragtop, rolling beater
'66 Sunbeam Tiger Mk.IA, survivor
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#9
I would love for someone to take a blind test drive of a well built, well balanced 4V and the best of all worlds 3V, and then tell me which is which.

Kind of like taking the GREEN MAGIC MARKER around the edge of the CD type of test. Remember that? It is supposed to sound better.

Not that the 3V "isn't better", just that if you can't build a 2V or a 4V that you are happy with, something is wrong. Maybe you need someone to give you a ride in a 4V, and then you decide if the "low end" is too slow.

For the money and headache you will save, you can fly out to any number of forum members, and let them show you their low end, their rear end, their front end, their top end. And then they'll give you a ride in their car.

Had to be said...

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351C Bold Manners, Brash Attitude
Favorite Teams: Michigan Wolverines and Whoever Is Playing Ohio State.

When I drive past a herd of cows, the cows MOO at me
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#10
It makes total sense to me. What I would like to do first is a new Air Gap intake and a new distributer. I'm thinking MSD. I think that should surely help.
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