460 Cam advise please
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460 Cam advise please
Ok here goes. My '79 F -150 is my pride and joy.
-Weiand stealth intake manifold on it wich I like lot.
-MSD 6A multiple spark discharge box
-Hedmann headers, about 4 feet of duall exhaust with flowmaster super 40s
-9 mm ford racing plug wires
-MSD cap and rotor
-NGk plugs
-Accel 50,000 volt super coil
-Holley 750 wich I am replacing with the edelbrock 750 #1411
A few other small things too, but my question is about the cam I want
Lunati Voodoo Cam and Lifter Kits: LUN-61601LK - summitracing.com
Can this cam be used without changing anything in the heads? (D3VE) I want to leave the heads as they are immaculate inside and out. I had them off when I did the head gaskets and dont want to have to disassemble them just to make them work with a cam swap.
I dont understand the whole "buy a timing chain set for a '70 460 and make more power" theory either can someone explain this to me? I'm not familiar at all with timing chain and cam degreing.
Is it that simple?
-Weiand stealth intake manifold on it wich I like lot.
-MSD 6A multiple spark discharge box
-Hedmann headers, about 4 feet of duall exhaust with flowmaster super 40s
-9 mm ford racing plug wires
-MSD cap and rotor
-NGk plugs
-Accel 50,000 volt super coil
-Holley 750 wich I am replacing with the edelbrock 750 #1411
A few other small things too, but my question is about the cam I want
Lunati Voodoo Cam and Lifter Kits: LUN-61601LK - summitracing.com
Can this cam be used without changing anything in the heads? (D3VE) I want to leave the heads as they are immaculate inside and out. I had them off when I did the head gaskets and dont want to have to disassemble them just to make them work with a cam swap.
I dont understand the whole "buy a timing chain set for a '70 460 and make more power" theory either can someone explain this to me? I'm not familiar at all with timing chain and cam degreing.
Is it that simple?
Post Fiend
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From: St George, SC I-95
The timing chain deal is very simple. After 70 or 71 emissions regulations made the timing become 3* retard. By adding a 70 429 timing chain you can set your timing straight up. The advance in timing makes more power. Very crude explanation from one layman to another.
I used the Comp Cams CCA-34-231-4 extreme 4x4 cam in my 460 with almost the same specs as you and I love it! The D3 heads are very good for street engines from what I have learned.
Hope that helps
I used the Comp Cams CCA-34-231-4 extreme 4x4 cam in my 460 with almost the same specs as you and I love it! The D3 heads are very good for street engines from what I have learned.
Hope that helps
Posting Guru
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Posts: 1,249
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From: Pryor
You can't use that cam above with the stock heads without changing the springs. They'll be too close to coil bind.
I also used the Xtreme 4X4 cam that was 218/226 with .524/.524 on my last build and loved it.
I also used the Xtreme 4X4 cam that was 218/226 with .524/.524 on my last build and loved it.
Post Fiend
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From: St George, SC I-95
I did change my springs for CCA-926-16 and also added 744-16 retainers and 611-16 locks on top of my stainless valves.
The timing chain will slide on just like your current one. No tricks just set it straight up. That is probably the easiest HP you will ever find on a 460 engine.
The timing chain will slide on just like your current one. No tricks just set it straight up. That is probably the easiest HP you will ever find on a 460 engine.
Postmaster
Joined: Nov 2001
Posts: 3,351
Likes: 1
From: Escondido, CA
You can change springs with the heads installed. All you need is a cheby style valve spring compressor that looks like a 12" lever with a hole for a rocker arm nut and a notch to pull the keepers out. Do not use the clamp style one since it will only work for single valve springs. And don't forget you will need one thing to keep the valves in place with the springs out. Air pressure via a compresion guage hose with the valve removed. Order the springs with the cam to ensure you don't have any problems. As a reminder you may need to remove the inner valve springs while breaking the cam in. After the cam is broken in you will need the above tools to install the inner valve springs.
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So whats a good cam for low to mid range power that matches my stealth intake and I dont have to change springs? The extreme 4x4 cam? I dont do any off roading in this 2wd truck and am looking for some good torque for towing and a slightly choppy idle. what about an rv cam? I really had my sights set on that Lunati voodoo cam wich is recomended for towing and and streat applications. Oh well. I'm not changing springs. I dont know how and wouldnt know which ones to buy and what combos would work good etc. etc. I'm trying to make this an easy cam swap for a little bit of power.
Last edited by shawner; Jan 6, 2007 at 08:01 AM.
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Posting Guru
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From: Pryor
I don't know exactly what those stock springs will handle off-hand, but it's definitely going to be less than .500 lift.
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Post Fiend
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From: St George, SC I-95
The extreme cam I bought with the springs retainers and locks were about $310 including shipping and a 8oz bottle of assembly lube from Summit. With my build desktop dyno says my max torque is at 2000rpms. It doesnt get much better than that for towing.
Also, Its going to be hard to get a choppy idle real performance cam under .500 lift
Also, Its going to be hard to get a choppy idle real performance cam under .500 lift
Posting Guru
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From: Pryor
Nobody has any suggestions?
Can you not read, man? There are plenty of suggestions, including some to go with a particular Comp cam that I have also used. In addition, there are several suggestions that you should change your springs.
You can lead a man to logic, but you can't make him think.
Can you not read, man? There are plenty of suggestions, including some to go with a particular Comp cam that I have also used. In addition, there are several suggestions that you should change your springs.
You can lead a man to logic, but you can't make him think.
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i guess i was looking for all the answers at once. I have an edelbrock cam picked out too and it says use edelbrocks springs or or leave the oem stock springs. what would be involved in changing them if i had to
Posting Guru
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From: Pryor
Ok, let me link you to the post in your own thread about this exact topic.
https://www.ford-trucks.com/forums/5...ml#post4284246
https://www.ford-trucks.com/forums/5...ml#post4284246
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