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Where can I buy it?
P. Hernandez
68 chevelle
"Richard Milkiewicz"
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Spark plugs & Resistor wire.
velles.net
12/07/2001 11:38 AM
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chevelle-list
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Yep, it sure would.
Rich
----- Original Message -----
From: "Paul Hernandez" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, December 07, 2001 12:02 PM
Subject: Re: [Chevelle-List] Spark plugs & Resistor wire.
>
> Replies to this message are sent to The Chevelle Mailing List
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>
>
> That wouldnt be a book by Dr. Jacobs inventer founder of Jacobs
electronics
> is it?
>
> P. Hernandez
> 68 chevelle
>
>
>
>
> "Keith Cooper"
> <[EMAIL PROTECTED]> To:
<[EMAIL PROTECTED]>
> Sent by: cc:
> [EMAIL PROTECTED] Subject: Re:
[Chevelle-List] Spark plugs & Resistor wire.
> velles.net
>
>
> 12/07/2001 09:40 AM
> Please respond to
> chevelle-list
>
>
>
>
>
>
> You bring up a very good point. I have been purchasing spark plugs are a
71
> Chevelle, when I should be buying plugs for a 1975 something. You have
the
> book, but I thought that HEI where put in 1972 cars. Thanks for the
> information. I really overlooked the spark plugs application.
> Keith
> ----- Original Message -----
> From: Richard Milkiewicz
> To: CHEVELLE
> Sent: Friday, December 07, 2001 10:38 AM
> Subject: [Chevelle-List] Spark plugs & Resistor wire.
>
> Let me try and clear up some confusion. First, I'm not an expert on this
> but I do have some knowledge on the subject.
> The HEI was was installed across the GM car line in 1975 through 1980.
> After that computer controlled HEI's came in. The main difference being
> the external vacume advance housing. Conventional point dist. can only
> handle 2.5 amps before burning up. The HEI can handle 4 amps. More amps,
> better coil saturation. Since the HEI needs a full 12 volts to run
> efficiently (unlike points, 8 volts) you MUST lose the resistance wire.
> The HEI can produce 35000 + volts but it needs the full 12 volts to do
> this. (coil saturation) The resistor wire causes a voltage drop after
> starting. During starting it is by-passed. This wire is what kept the
> points from burning up. Keith is right about the PINK wire. But don't
make
> it too long. The longer the path, the less voltage. As for spark plugs
and
> the HEI, you should be sure to use the right application. Plugs
designed
> for conventional ignitions should not be used because when you open the
> gap you are really bending the electrode at an angle. To fire
efficiently
> the ground electrode should be flat over the center electrode. HEI plugs
> have a shorter center electrode. And this allows for the larger gap.
> Larger gap, longer spark. And don't over look the plug wires. You need
at
> least 8mm wire. Use a good silicone and wipe the inside of the plug and
> dist. boot. It not only keeps moisture out but helps keep voltage loss
> down. Not to mention easier boot removal. A very good book I bought
> several years ago was "IGNITION / ELECTRICITY BOOK by Dr. Christopher
> Jacobs. It may still be available. I think it cost around 15 bucks. Hope
> this small bit of info helps everyone.
> Rich
>
>
>
>
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