pertronix vs HEI ? - Chevy Nova Forum
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Old 17th-October-2010, 02:58 PM   #1
oreo615

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pertronix vs HEI ?

I have 2 freinds telling me to swap out my pertronix coversion to HEI and telling me I would see a big improvement..What do you think? Looking for some opinions..Thanks
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Old 17th-October-2010, 03:43 PM   #2
thedez

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I have a pertronix in my '63 - 327. It works well, but I wanted the stock appearance. If stock appearance is not important, I would go hei. I can't tell you if it would make a difference in performance, but if you were stuck in the middle of nowhere, you could get parts.
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Old 17th-October-2010, 03:56 PM   #3
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We are talking about a V8 right?

It’s your call...

Stock appearance…. you may want Pertronix.

HEI has more spark but the cap will rub on the firewall. You will have to wire it and stab the distributor in correctly so the cap fits best.Also the coil saturation time of an HEI is smaller.Therefore it requires a larger gauge primary wire such as 10 guage.

You can improve your spark with Pertronix by running a full 12 volts to your 1.5 ohm coil this will give you a full 33% more spark than 9 volts through the resistor wire.
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Old 17th-October-2010, 05:13 PM   #4
oreo615

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yea,I think I ran a new wire from the ignition switch to the pertronix unit and removed the resistor wire.I'll have to check my voltage at the coil when I bring my digital meter home.I do like the stock look...if it isnt a noticable difference I'll keep it the way it is.
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Old 17th-October-2010, 08:59 PM   #5
Twinshadows
 
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Quote:
Originally Posted by thedez View Post
I have a pertronix in my '63 - 327. It works well, but I wanted the stock appearance. If stock appearance is not important, I would go hei. I can't tell you if it would make a difference in performance, but if you were stuck in the middle of nowhere, you could get parts.
good point (get it) on u can get parts....
i went with pretronix , but mine's an I6 with fact. a/c comp. sitting right on
top of the dist. cap. installed 'bout 14 yrs. ago. still working good.

jim
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Old 18th-October-2010, 09:53 AM   #6
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For a cruiser, my only concern is the parts issue. Parts can be found anywhere for an HEI. Otherwise, you can't beat the Pertronix kits.
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Old 18th-October-2010, 10:09 AM   #7
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Petronix ?

found some PETRONIX KITS ON EBAY FOR LIKE $75 bucks...
Couple different sellers have them at the good PRICE deal...
My buddy has run one for a couple years now and says no problems so far...
He bought one for his Fork Lift the other day and says he just ordered another one for his Chevelle..
I guess I am going that route so I got plenty of cleareance at the Firewall...



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For a cruiser, my only concern is the parts issue. Parts can be found anywhere for an HEI. Otherwise, you can't beat the Pertronix kits.
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Old 18th-October-2010, 11:33 PM   #8
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If you are looking at the Pertronix distributor v.s. the HEI, I've run them both back to back on a ZZ4 engine. There is no performance difference. I went with the Pertronix because of the small cap.
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Old 19th-October-2010, 12:14 AM   #9
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I am currently running a mallory unilite set up and feel that it works really well... I might add that it replaced a hei system that rubbed on my firewall... They were both built and tuned for my engine and on the street you couldn't tell the difference.
Just my 2 cents
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Old 19th-October-2010, 12:50 AM   #10
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I went with petronixs because it was cheaper and would fit. You will get better performance out of a HEI and they do make smaller ones which I don't believe rub on your firewall.
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Old 19th-October-2010, 12:54 AM   #11
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I heard mixed reviews on the Pertronix so I went HEI. My new HEI lasted 8 months and binded up(points got me home). My mechanic had a pertronix kit that lasted 10 minutes. The way I see it HEI is cheap, easier to find parts and you see cars still running with their original distributor. Just carry extra modules, coil, and tools so the HEI will never leave you stranded .
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Old 19th-October-2010, 04:17 PM   #12
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I don't mean to hi-jack this thread but I have a couple of questions.

1. Is it worth the extra money to go with an Ignitor II or stay with the original Ignitor?

2. Do you have to use a ballast resistor with a Pertronix coil?

I'm about to buy the conversion kit and coil so I was curious about it.
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Old 19th-October-2010, 07:36 PM   #13
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Quote:
Originally Posted by tider66 View Post
I don't mean to hi-jack this thread but I have a couple of questions.

1. Is it worth the extra money to go with an Ignitor II or stay with the original Ignitor?

2. Do you have to use a ballast resistor with a Pertronix coil?

I'm about to buy the conversion kit and coil so I was curious about it.
2. Pertronix coils want 12 volts. Don't use the ballast or resistor wire.
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Old 24th-October-2010, 09:36 PM   #14
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Anybody have an opinion on my question about the original ignitor or ignitor II? With the ignitor kit there are two different part numbers, 1181 and 1181ls. Which one is the best one to go with?
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