Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

Cap and rotor

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Old 04-11-2014, 07:36 PM
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Car: 1989 Iroc-Z Camaro
Engine: TBI,5.0
Transmission: Automatic 700R4
Axle/Gears: Eaton Posi,3.42,LPW Ultimate Cover
Cap and rotor

What would cause this. They were changed 2 years ago at about 2,000 miles a year


Last edited by Ron U.S.M.C.; 04-11-2014 at 08:11 PM.
Old 04-11-2014, 08:23 PM
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Car: 1989 camaro rs convertable
Engine: 305 tbi
Transmission: 700r4
Axle/Gears: 7.5"3.42 gears forth gen 2000 camar
Re: Cap and rotor

i don't know but i had the same problem.i assumed it was cheaply made parts and replaced them with brand name high performance parts.
Old 04-11-2014, 08:58 PM
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Car: 1989 Iroc-Z Camaro
Engine: TBI,5.0
Transmission: Automatic 700R4
Axle/Gears: Eaton Posi,3.42,LPW Ultimate Cover
Re: Cap and rotor

MSD Cap and rotor kit =
http://www.summitracing.com/parts/msd-8406/overview/
I bought the same one as a replacement.
Maybe MSD has an economy line of products
Old 04-11-2014, 10:52 PM
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Car: 1989 GTA
Engine: SuperRam 350
Transmission: Pro Built S/S TH700R4
Axle/Gears: 3.27
Re: Cap and rotor

Did you put any dielectric grease on the center of the cap and middle of the rotor?
Old 04-12-2014, 12:10 AM
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Car: 1989 Iroc-Z Camaro
Engine: TBI,5.0
Transmission: Automatic 700R4
Axle/Gears: Eaton Posi,3.42,LPW Ultimate Cover
Re: Cap and rotor

No, I did not know you should.
If it will help keep this from happening than I will.

I've never seen a rotor cap or terminals in the cap look this bad.

Is the problem contained within the cap or could the Ignition Control Module and Pick up coil play a roll.
The module is about 6 years old and the pick up is most likely stock.
The main reason I ask is because Ive been looking for the cause of an intermittent stalling problem. It will stall at a light and then I have to tap the throttle when I go to start it again.

Last edited by Ron U.S.M.C.; 04-12-2014 at 12:25 AM.
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