I don't know if an HEI can go bad but I know a point type coil can degrade. I agree that it usually turns out to be the module. I replaced one once and forgot to put the special grease on the bottom and wiped that one out in no time. Rich ACES # 05066 ----- Original Message ----- From: "tigergutt" <[EMAIL PROTECTED]> To: "chevelle-list" <[EMAIL PROTECTED]> Sent: Tuesday, June 10, 2003 2:57 AM Subject: Re:[Chevelle-List] is it the coil?
: I dont think a coil can go bad, I think its either working or not working. : : I had the same issue with my hei and changed the module, it worked fine until it got hot and then it started missfiring, I later upgraded to an MSd module, coil and bushing and its stronger than the original ever was. : If you go for the msd module remember to upgrade to a heavier gauge wire or it will burn. : : André : : : : > Can anyone provide me with some symptoms if the HEI : > coil is going bad? : > : > Tonite, to solve my prob of my car running crappy, I : > figured I'd start with the obvious and change my : > plugs. Yesterday I put new wires on it, and after : > changing the plugs, the car will barely stay running : > at the current idle settings. A week ago it was : > totally fine- For anyone not familiar with my engine, : > it's a freshly rebuilt 327 with a brand spanking new : > Edelbrock Performer 1406 carb. It was running great, : > I took it out for a 10 mile spin last Thurs nite, and : > as of Sunday I am having all of the issues described : > above. : > : > I have checked all vacuum lines, and they are all : > connected just as they were last week when it was : > running fine. I have also looked at the distributor : > to make sure it didn't move, and it has not. : > : > Could this be that my hand-me-down HEI is dying? : > Would a dying coil cause the issues I'm having? : > : > Thanks, : > : > Jim : > '66 Malibu : > : > : > __________________________________ : > Do you Yahoo!? : > Yahoo! Calendar - Free online calendar with sync to Outlook(TM). : > http://calendar.yahoo.com : > : > ----------------------------------------------------- : > 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] ----------------------------------------------------- To Unsubscribe please visit www.chevelles.net/list.html To start a new topic, send mail to: [EMAIL PROTECTED]