I replaced the distributor cap and rotor in my 1976 C3 Corvette Stingray a few months ago, and while I was there (famous last words), I took the opportunity to clean the distributor base plate as well as the ignition module and the capacitor.

Unbeknownst to me, the factory recommended the application of "Silicone Grease," in the 1976 Chevrolet Service & Overhaul Manual, https://amzn.to/3aoi3JL

Since the guys behind the counter at two auto parts stores I visited looked at me like I was speaking in tongues when I asked about Silicone Grease, a quick search online said the dielectric grease was the same thing.

Well, maybe not the EXACT same thing.

After an hour or so of deeper online research, I learned that a far better compound for heat conductivity between the ignition module and the distributor's base, which acts as a heat sink, was to use the same kind of thermal paste as used on computers, and the product with the better reviews was Arctic MX2 Thermal Compound.

You can also use Arctic Premium MX4 Paste or Arctic Ultimate MX6 Paste, which probably is the best option.

I applied the paste as shown in the video, and I've only run the car at idle speed for about 15 minutes since I'm in the process of replacing the radiator, so I don't have any realworld comments as far as noticing anything different. Having said that, sometimes that is the best outcome one can hope for. Besides, as long as the ignition module is cool, then so am I.

By the way, the only "service" possible when it comes to this solidstate component, is to replace it. I have provided a link to a professional ACDelco replacement unit below. They are not expensive so if yours is faulty, you may want to go ahead and order a new one and use a thermal paste like the one mentioned here.

Thank you for watching!

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CORVETTE PRODUCTS (sponsored)

ARCTIC MX2 Thermal Paste: https://amzn.to/3lkJWfU
ARCTIC MX4 Thermal Paste: https://amzn.to/3yQYtmA
ARCTIC MX6 Thermal Paste: https://amzn.to/3n2fJTy

ACDelco Ignition Module: https://amzn.to/3YYk6w5
Ignition Control Module: https://amzn.to/3LwYcNp

1976 Assembly Manual: https://amzn.to/2GBuHrd
6882 Corvette Manual: https://amzn.to/3devEEW
How to Restore Corvette: https://amzn.to/35B6L0R
Corvette Resto Guide: https://amzn.to/2QvvIGQ

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DISCLAIMER: Even though I like to wrench on my Corvette and most of my videos are of a howto nature, I am not responsible nor liable should you decide to follow my musings on the subject.

The repairs and other work I do are for my own benefit and entertainment, and even though my videos may sound and appear to give technical howto advice, that's not my intention.

Working on a vehicle is inherently dangerous. If you're not confident, qualified, or lack the tools to do the job correctly and safely, hire a licensed mechanic.


#corvettec3 #c3 #c3corvette