Should i upgrade Distributor
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Should i upgrade Distributor
Im trying to figure out the best and easyest electronic upgrade. Ive heard about a Duraspark and ive also heard about the Petronix. What are the differences and easyest to install. what all comes with each are they the whole distributor or just insides. If some one could explain these to me that would be great. Thanks so much all, Oh by the way i have a 1965 ford 100 with a 240 motor, bored out to .040. Thanks Jeff
Fleet Owner
Joined: Jun 1999
Posts: 24,552
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From: Creedmoor, North Carolina
Jeff, With the Petronix you just swap your points, and better upgrade with hotter coil.
With the Duraspark you will have to replace the dist. and add the control box.
Both are good upgrades. Hotter spark can improve performance.
John
With the Duraspark you will have to replace the dist. and add the control box.
Both are good upgrades. Hotter spark can improve performance.
John
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Im trying to figure out the best and easyest electronic upgrade. Ive heard about a Duraspark and ive also heard about the Petronix. What are the differences and easyest to install. what all comes with each are they the whole distributor or just insides. If some one could explain these to me that would be great. Thanks so much all, Oh by the way i have a 1965 ford 100 with a 240 motor, bored out to .040. Thanks Jeff
If you decide to get a new distributor, consider our custom curved Duraspark Distributor built with our new Full Length Oil Impregnated Bronze Bushing. The full length bushing improves timing stability and spark scatter. If stock appearance is not an issue, take a look at our one piece D.U.I. Distributor. Whether you choose the Duraspark or the D.U.I., we curve each on a distributor machine based on your engine combination. Please see them at:
http://performancedistributors.com/forddistributors.htm
Also, there is now an excellent installation article on the D.U.I. Distributor on the Ford-Trucks.com site at:
https://www.ford-trucks.com/article/idx/0/358/article/DUI_Ignition_Installation_In_A_Ford_351W_V8.html
Ignition Lesson of the Month: Hystereses, the difference between the timing as the rpm and vacuum increases to the timing as rpm and vacuum decrease, needs to be kept to a minimum. A precise advance curve accomplishes this.
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Joined: Jun 2003
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Well, you'll never have to replace or adjust points again. I don't know if it will be a noticeable improvement.
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Cargo Master
Joined: Jul 2006
Posts: 3,014
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From: Concord, CA
I have Petronix in all my cars. I just recently experimented by changing for I to II in the truck. Put on the higher voltage coil and spliced in a bypass of the pink resistor wire. That plus my change of the intake manifold, using the cork end gaskets, and I achieved a vacuum reading of 20.5 and rock steady both on the needle and idle. We'll see what happens over time and the II goes next into the 410 Mercury.
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Fleet Owner
Joined: Jun 1999
Posts: 24,552
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From: Creedmoor, North Carolina
Jeff, A sick puppy is a sick puppy, there aint a hell of a lot that you can throw at a 240 to get better performance. While the Petronix will get you away from points you will see a very slight improvement with the coil, but if I wanted to throw $125.00 at that engine BOTH the igniter and coil is where I would spend the money. IMHO
Mike, Have you looked at the III yet?
John
Mike, Have you looked at the III yet?
John
Cargo Master
Joined: Jul 2006
Posts: 3,014
Likes: 91
From: Concord, CA
Jeff, A sick puppy is a sick puppy, there aint a hell of a lot that you can throw at a 240 to get better performance. While the Petronix will get you away from points you will see a very slight improvement with the coil, but if I wanted to throw $125.00 at that engine BOTH the igniter and coil is where I would spend the money. IMHO
Mike, Have you looked at the III yet?
John
Mike, Have you looked at the III yet?
John
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
Eliminating point replacement (one shot), slight performance increase, better starts. I seriously would consider buying a Pertronix.
John
Cargo Master
Joined: Apr 2003
Posts: 2,389
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I don't think the Pertronix is worth it from a performance standpoint. When I was using a Pertronix 2 with the 45kv coil, I didn't notice any improvement. After I fried it while doing a compression test, I reinstalled the points and to my surprise, the motor actually felt stronger! This is on a modified but mild motor. Because of that, and the ease of frying the things, I don't plan on using it again. Sure I can carry points around with me and swap them in if it fails but quite frankly, if I feel so uncertain about something that I feel like I need to carry a spare, it doesn't get installed on my truck. The points maintenance really didn't bother me. In the 5000 miles after switch back to points, I did not have to adjust them once.
Now I am running an aftermarket Duraspark ignition and it will eat the Pertronix and points for lunch.
Now I am running an aftermarket Duraspark ignition and it will eat the Pertronix and points for lunch.
Lead Driver
Joined: Aug 2003
Posts: 6,305
Likes: 18
From: Boulder Creek, Ca
As for Electronic Ignition, not familiar with Pertronix but if the only upside was that it would help with starting the truck on a cold winter morning then it would be worth it to me, primarily why I went with E.I. on the 65 with the 390. As for cost, don't believe there would be that much difference between Durapark ll, and Pertronix, have not priced other Electronic Ign. options. Seems Pertronix would be a quik fix and one could add a module; MSD, etc., to the Pertronix distributor at a later date, although, with a 6 cyl, not sure why one would. 
Anyhow, hand an urge to chime in and add my 
Anyhow, hand an urge to chime in and add my