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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 > ------------------------------------------------------------ > > > 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 > > > > > ----------------------------------------------------- > To Unsubscribe please visit www.chevelles.net/list.html > To start a new topic, send mail to: [EMAIL PROTECTED] > > ----------------------------------------------------- To Unsubscribe please visit www.chevelles.net/list.html To start a new topic, send mail to: [EMAIL PROTECTED]
