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Old 02-14-2013, 11:27 PM   #1
Scott>72-GMC
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Hei?

Forgive me if this is a dumb question
Ic alot of guys are going with hei distributors what do I need for a pretty stock setup 350 I believe it's out of an 80's truck
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Old 02-15-2013, 01:00 AM   #2
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Re: Hei?

You need the hei distributor... Pretty much it. I have an hei on my big block. Just make sure all your advances and everything are the same as what you're replacing. Makes the swap easier.
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Old 02-15-2013, 01:07 AM   #3
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Re: Hei?

Thanks. I know it was kinda a dumb question never got deep into motors but really want to
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Old 02-15-2013, 01:15 AM   #4
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Smile Re: Hei?

Quote:
Originally Posted by Scott>72-GMC View Post
Thanks. I know it was kinda a dumb question never got deep into motors but really want to
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Can use one from any sbc or bbc 1975 & newer--exc. 409 and 348. Run one wire that has full 12 volts when ign. is on and while cranking to "BATT" terminal of dist cap & drive away. Do not use a wire coming from orig. ballast resistor OR one from "R" term. on solenoid.
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Old 02-15-2013, 01:16 AM   #5
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Re: Hei?

The only dumb question is the one that's not asked. Good luck with the swap, should only take about 20 minutes total. Also, if you've never dug into a motor... Hit up YouTube and search for what you want to do. Tons of genius mechanics on there who show you step by step what to do. But also be weary of the back woods type boys as well.
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Old 02-15-2013, 01:19 AM   #6
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Re: Hei?

You tube is a god send I got a good home mechanic I'm hoping will help me. He has 3 of these trucks one of which. He made into a cool boom truck

Thanks everyone
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Old 02-15-2013, 11:52 AM   #7
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Re: Hei?

One additional note. You need HEI style plug wires also. The old conventional point style distributor has different ends.

Buy them for a 75 Chevy Pickup with a 350 and you will be good.
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Old 02-15-2013, 01:17 PM   #8
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Re: Hei?

If my truck was here I might not sound so dumb cause I could look lol but I'm sure the motor is out if an 80's truck would it already be set up this way?
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Old 02-15-2013, 01:24 PM   #9
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Re: Hei?

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Originally Posted by Scott>72-GMC View Post
If my truck was here I might not sound so dumb cause I could look lol but I'm sure the motor is out if an 80's truck would it already be set up this way?
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It could be. The person that put the newer engine in may have used the HEI distributor. I would have.
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Old 02-15-2013, 01:30 PM   #10
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Re: Hei?

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Originally Posted by TBONE1964 View Post
One additional note. You need HEI style plug wires also. The old conventional point style distributor has different ends.
Not just the ends, I believe they need to be at least 8mm (OEM points dist. had 7mm) to handle the increased current of HEI.

Also, re-gap your plugs from .035 to .045.
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Old 02-15-2013, 01:34 PM   #11
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Re: Hei?

He did alot of goofy things. Didn't wire up the alternator left the wires rolled up sitting on the manifold.

Should have never bought from a mechanic lol. Just like my dad being an electrician and our house was a wire nightmare. This mechanic jimmy rigged his own truck lol
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