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Ignition: Upgrading Points
#1
The time has come to change out the points for something more modern and reliable. What do you guys recommend for replacing the points? The Mach1 has a nice Dizzy, cap and rotor, new plugs and wires. Mainly just need to loose the points! I'm thinking Pertronix but I'd like to hear some ideas.
[Image: 1gq8uo.png]
1971 Mach 1 - 306cid/C4 Bright Yellow
1972 Coupe - 306cid/C4 Gold Glow (in restoration phase)
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#2
I went with the Pertronix conversion kit in my 472 (Ice) and have been very satisfied with the results. You may recall that it is a relatively "mild" build. I am going totally MSD for the 545 stroker (Fire).

BT
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#3
I get confused over all the different kits...Ignitor, Ignitor II & Ignitor III? I think Ignitor II looks ideal for my application. Ignitor III looks a little too " New Fangled" for me! LOL
[Image: 1gq8uo.png]
1971 Mach 1 - 306cid/C4 Bright Yellow
1972 Coupe - 306cid/C4 Gold Glow (in restoration phase)
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#4
I went with a fully electronic system from ICE Ignition upon the advice of my engine builder. He showed me dyno runs for my engine with a Petronix and then with the ICE system. I left ~30 hp on the table with the Petronix. Keep in mind that for lightly modified engines, a Petronix is all that is needed.

Mike
[Image: 57_23_07_10_12_47_19.jpeg]

White 1973 (351C stroked to 408, 4V, FMX) convertible with blue deluxe interior AC and power windows.

Mike
Irwin Pa (MCA # 52193)
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#5
I have had the ignitorII for a long time and have had no trouble at all. I have a pertronics distributer now. Can't remember the features right off hand. I do know it's tall and gets into the air cleaner. machman
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#6
Ignitor II no problem in my 71 Mach 1 and my 72.
[Image: 20r9ylt.jpg]
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#7
Yeah, I looked at some of the HEI kits but definitely too tall. I just need a kit to replace the points. Everything fits under the dist. cap.
[Image: 1gq8uo.png]
1971 Mach 1 - 306cid/C4 Bright Yellow
1972 Coupe - 306cid/C4 Gold Glow (in restoration phase)
  Reply
#8
If you are looking for reliability it's hard to beat the Ford Duraspark. I'm running one with an old Motorsports / MSD ignition box. I see no reason you could not use the original Duraspark box. The guys I crew for used the duraspark distributor in a stock eliminator car before upgrading to an MSD billet distributor.
Jeff T.

Low buck, touring style, '73 Convertible "rolling restoration", 351c, 2v heads with a shave and a haircut, Performer intake, Holley 650(ish), roller rockers, screw in studs, guideplates, stainless valves, Duraspark / Motorsports MSD, T-5 conversion. 1-1/8" front, 3/4" rear swaybars KYB shocks and some home brewed subframe connectors. Future plans; JGC steering box, Cobra brakes and... paint, interior, etc.

When I die I want to die like grandpa, peacefully in my sleep... not screaming, like his passenger.

[Image: 1_12_09_14_10_15_11.png]
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#9
i used to run a pertronix setup in my stock dist for my 71. only problem was I didnt realize you couldnt use certain coils with the kit and kept frying different parts. lesson learned. I now run an msd pro billet distributor with a 6al box and a msd coil... absolutely NO problems
Executioners Racing
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#10
avoid the pertronix III the tach signal won't work with the OEM tach in the dash if you have one.

the pertronix I works fine.
the pertronix II has a microchip that controls the Dwell on start up to help with cold starting.


the pertronix III has a microchip that controls the dwell on start up and has a rev limiter, and uses a new type of magnetic pickup for the ignition switching signal.


personally i saw no difference between the I and II installed on my car, i currently have a II installed for the last 1.5 years with no issues (knock on wood)
didn't see a difference when i ran points either other then constantly adjusting the dwell.
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