distributor
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Junior User
Joined: Sep 2004
Posts: 76
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From: McDonough, Georgia
distributor
Hi,
I know this is kind of a little ways down the road. I am just doing a little bit of homework before going out to buy the parts to rebuild my 351M in my 79 F150. The question I have is in regards to the distributor.
I have heard about these HEI distributors and that when they are installed, some of the existing ignition components can be removed, as the distributor already has them built on.
I have also heard that with the points distributor, you have to adjust the points every 3,000 miles and replace them every 10,000 miles.
What kind of distributor would be the best for an engine rebuild?
Should I go out and get an HEI or stick with the Duraspark?
I know this is kind of a little ways down the road. I am just doing a little bit of homework before going out to buy the parts to rebuild my 351M in my 79 F150. The question I have is in regards to the distributor.
I have heard about these HEI distributors and that when they are installed, some of the existing ignition components can be removed, as the distributor already has them built on.
I have also heard that with the points distributor, you have to adjust the points every 3,000 miles and replace them every 10,000 miles.
What kind of distributor would be the best for an engine rebuild?
Should I go out and get an HEI or stick with the Duraspark?
Cargo Master
Joined: Sep 2003
Posts: 2,735
Likes: 0
From: TX
Performance Distributors - High Performance and Racing Ignition Systems
I have one of these on my 351M, it eliminates the ignition module on drivers side fender, as well as the coil. It's a very simple hookup. When you call them to order it, have as much info as you can about your motor, as they custom curve them for you before they ship.
So far I love mine, have had it for over 5 months with no issues. Idle quality and throttle response was noticably different.
Pics in my gallery.
I have one of these on my 351M, it eliminates the ignition module on drivers side fender, as well as the coil. It's a very simple hookup. When you call them to order it, have as much info as you can about your motor, as they custom curve them for you before they ship.
So far I love mine, have had it for over 5 months with no issues. Idle quality and throttle response was noticably different.
Pics in my gallery.
Senior User
Joined: Jul 2003
Posts: 315
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I also have the D.U.I on my 429 SCJ and am very happy with it, they are big and require an off set air cleaner to clear them, they also clean up the engine compartment by removing a lot of wiring and original equipment ignition modules.
Posting Guru
Joined: Mar 2010
Posts: 1,196
Likes: 2
^^^First of all, that 429 is gorgeous. Secondly, are those L&L's or Mad Dog? The flange says Mad Dog to me, but the finish says L&L.
Finally, to the OP...the DUI is the way to go if you have the coin, but if you don't, go with Pertronix...Pertronix is the route I go.
Finally, to the OP...the DUI is the way to go if you have the coin, but if you don't, go with Pertronix...Pertronix is the route I go.
Moderator
Joined: Jan 2006
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From: Waterloo IL
In my opinion, the stock duraspark will be just fine for a rebuilt 351m. I would spend my money elsewhere.
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Cargo Master
Joined: Sep 2003
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From: TX
If he does have the money, the DUI is the way to go IMHO.
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Thread Starter
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Junior User
Joined: Sep 2004
Posts: 76
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From: McDonough, Georgia
If I go with the HEI, what all will be required as far as hook-up? I have read that all I would need is a wire running from the terminal to either the alternator or battery.
Please correct me if I am wrong.
If I get the PerTronix Flame-Thrower, I will have to get the coil and use the ignition box.
If I get the HEI distributor, all I would have to do is run a wire from the distributor to the alternator.
Please correct me if I am wrong.
If I get the PerTronix Flame-Thrower, I will have to get the coil and use the ignition box.
If I get the HEI distributor, all I would have to do is run a wire from the distributor to the alternator.
Cargo Master
Joined: Sep 2003
Posts: 2,735
Likes: 0
From: TX
With fords, you will have to run the original coil wire through a relay. Just a regular
12v30a relay I think. Reason being is that the DUI dizzy requires full 12v while running. These Fords have a resistor wire built into the ignition. When you are cranking it pushes a full 12v but when running it only pushes 8-9v through the coil.
I ran mine through the relay as was advised, easy, quick hookup, no problems! I just bolted the relay to the passenger side fender.
12v30a relay I think. Reason being is that the DUI dizzy requires full 12v while running. These Fords have a resistor wire built into the ignition. When you are cranking it pushes a full 12v but when running it only pushes 8-9v through the coil.
I ran mine through the relay as was advised, easy, quick hookup, no problems! I just bolted the relay to the passenger side fender.
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Junior User
Joined: Sep 2004
Posts: 76
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From: McDonough, Georgia
I have been researching a little bit more and found a distributor that is close to stock like I want. It is a Proform Parts 66965. If I go with this type, it seems that I will have to use the coil and ignition box.
Here is a link to one I found at Summit Racing.
http://www.summitracing.com/parts/PRO-66965/
I figured that since I live like 5 minutes from a Summit Racing store, that I may get all of my parts for my truck there.
Here is a link to one I found at Summit Racing.
http://www.summitracing.com/parts/PRO-66965/
I figured that since I live like 5 minutes from a Summit Racing store, that I may get all of my parts for my truck there.
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Junior User
Joined: Sep 2004
Posts: 76
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From: McDonough, Georgia
I know what you mean. Every time I start working on my truck, my wife says that I am married to the truck. I like having Summit up the road, because I don't have to worry about getting in all the traffic around the small parts houses, and Summit has lots of parts you can't get from the parts houses.
Senior User
Joined: Oct 2010
Posts: 156
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From: Columbia Falls, Montana
Well I used a 56.00 Procomp distributor on my 408 build. I used a volt meter, and found a hot wire from the four options on the coil that was 12v when the key is on. Removed the rest of the factory stuff, and it works flawlessly. I have 4,000 miles on it, and have been driving it for 1 year and 4 months. Its a great deal really. Has the same design as the DUI one, but for 1/6 the cost or more. Got mine off ebay from a 99% feedback parts seller. Hope this helps. I also used there procomp fuel pump for the 351C and it definately pumps the fuel, and cost like 40.00. I was running out of fuel with the factory pump on my 670 holley.
Thread Starter
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Junior User
Joined: Sep 2004
Posts: 76
Likes: 0
From: McDonough, Georgia
Well I used a 56.00 Procomp distributor on my 408 build. I used a volt meter, and found a hot wire from the four options on the coil that was 12v when the key is on. Removed the rest of the factory stuff, and it works flawlessly. I have 4,000 miles on it, and have been driving it for 1 year and 4 months. Its a great deal really. Has the same design as the DUI one, but for 1/6 the cost or more. Got mine off ebay from a 99% feedback parts seller. Hope this helps. I also used there procomp fuel pump for the 351C and it definately pumps the fuel, and cost like 40.00. I was running out of fuel with the factory pump on my 670 holley.