Ignition Coil Question
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Tuned
Joined: Mar 2003
Posts: 394
Likes: 10
From: austin
Ignition Coil Question
Basic question about the ignition coil in my '86:
I was going through the Haynes TFI/Coil testing procedures, and the coil's secondary resistance is 7,600 ohms. The specs are 8,000-11,500 ohms. All of the other checks were ok. Is this enough of a difference to warrant replacement? What would the slightly lower resistance be noticeable in the truck's performance?
Thanks,
TM
I was going through the Haynes TFI/Coil testing procedures, and the coil's secondary resistance is 7,600 ohms. The specs are 8,000-11,500 ohms. All of the other checks were ok. Is this enough of a difference to warrant replacement? What would the slightly lower resistance be noticeable in the truck's performance?
Thanks,
TM
Posting Guru
Joined: Jul 2002
Posts: 1,147
Likes: 1
From: East Coast
Well, 8,000 to 11,500v is a pretty big gap, so I don't see why being just 400v under would be a big problem. But if your having trouble go ahead and replace it for peace of mind. I just recently picked up a new MSD blaster TFI coil for my 86 for less then napa wanted for the premium echlin replacement coil. Bolted right on and plugged right in.
MSD box is in the works.
MSD box is in the works.
